A method and system for sampling value consistency correction of a power system device

Abstract

The present application relates to the technical field of power system device, provide a kind of sampling value consistency correction method and system of power system device, wherein the method comprises: test grouping reference channel designation module parameter intelligent setting, the parameter intelligent setting of same type unique reference channel designation module, the parameter intelligent setting of device unique reference channel designation module, the step of entering after the excitation quantity in conventional implementation mode is cancelled, the required step in conventional implementation mode is retained, corresponding modification is carried out to the required step.The present application can effectively solve the deficiency of conventional implementation mode, improve the execution efficiency of implementation, reduce the workload of implementation, increase flexibility and versatility, reduce the complexity of device man-machine dialogue interface design.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power system device, and particularly relates to a sampling value consistency correction method and system of a power system device. BACKGROUND

[0002] The patent application with the patent application publication number CN 119199683 A discloses a multi-channel sampling value consistency correction method and system of a power system device. The detailed embodiments disclosed in the patent application need to pre-set parameters of multiple modules in the system, and the switching process of the implementation steps needs multiple interactions between the man and the machine. Due to the characteristics that there are a large number of devices and a large number of channels of some devices, the pre-setting process of a large number of parameters and the process of the interaction between the man and the machine are relatively cumbersome, and there is a certain amount of work. The implementation mode is not flexible, the versatility is not strong, the interface design of the man-machine dialogue is relatively complex, and the execution efficiency of the implementation is relatively low. SUMMARY

[0003] The present application relates to the technical field of power system device, and particularly relates to a sampling value consistency correction method and system of a power system device.

[0004] The present application adopts an implementation mode of intelligent parameter setting and automatic step execution, cancels the relatively cumbersome interaction steps, and no longer pre-fixes all parameters. The setting of the related parameters is a dynamic process. The step of applying the excitation amount is intelligently identified. The data that can be obtained, the features that are extracted, and the corresponding excitation amount feature analysis are used to automatically calculate and set the related parameters. Before the intelligent parameter setting is successful, that is, when the related parameters are unknown, the action in the required step that depends on the parameter is skipped. After the intelligent parameter setting is successful, that is, when the related parameters are known, the action in the required step that depends on the parameter is executed again. The required data saved in the intelligent parameter setting step is used, and the action in the required step that obtains the same required data is no longer repeated. The deficiencies of the conventional implementation mode are solved, the execution efficiency of the implementation is improved, the amount of work of the implementation is reduced, the flexibility and versatility are increased, the complexity of the device man-machine dialogue interface design is reduced.

[0005] To achieve the above-mentioned purpose, the present application provides a sampling value consistency correction method of a power system device, comprising:

[0006] Intelligent parameter setting of a test grouping reference channel designation module;

[0007] Intelligent parameter setting of a same type unique reference channel designation module;

[0008] Intelligent parameter setting of a device unique reference channel designation module;

[0009] The first relative value calculated and saved in the parameter intelligent setting step of the test group reference channel designation module is adopted, wherein the reference of the first relative value is the test group reference channel;

[0010] Based on the first relative value and the phase value of all channels in the test group at the same moment which has been saved in the process of calculating the first relative value, the second relative value of all channels in the same type is calculated, wherein the reference of the second relative value is the unique reference channel in the same type;

[0011] Based on the modulus relative value in the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the unique reference channel designation module in the same type, the modulus relative value in the third relative value of all channels in the same type is calculated, wherein the reference of the modulus relative value in the third relative value is the excitation amount of the applied fixed value;

[0012] Based on the phase difference in the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the unique reference channel designation module of the device, the phase difference in the third relative value of all channels in the same type is calculated, wherein the reference of the phase difference in the third relative value is the unique reference channel of the device;

[0013] Based on the phase difference in the third relative value and the frequency parameter of the excitation amount of the applied fixed value, the relative time difference is calculated;

[0014] The third relative value of each channel and the relative time difference of each channel are stored as correction parameters;

[0015] Based on the correction parameters, the original sampling value of each channel is calculated for consistency correction to obtain the consistency corrected sampling value;

[0016] Based on the correction parameters, the original phasor value of each channel is calculated for consistency correction to obtain the consistency corrected phasor value.

[0017] To achieve the above-mentioned purpose, the application further provides a sampling value consistency correction system of a power system device, which comprises:

[0018] The parameter intelligent setting module of the test group reference channel designation module;

[0019] The parameter intelligent setting module of the unique reference channel designation module in the same type;

[0020] The parameter intelligent setting module of the unique reference channel designation module of the device.

[0021] The first relative value calculation module adopts the first relative value calculated and saved in the parameter intelligent setting step of the test group reference channel designation module, wherein the reference of the first relative value is the test group reference channel;

[0022] a second relative value calculation module, configured to calculate the second relative values of all channels in the same type based on the first relative values and the phase value of all channels in the test group at the same time which has been saved during the calculation of the first relative values, wherein the reference of the second relative values is the unique reference channel in the same type;

[0023] a module value relative value calculation module of the third relative values, configured to calculate the module value relative values of all channels in the same type based on the module value relative values of the second relative values and the relative values calculated and saved in the parameter intelligent setting step of the unique reference channel designation module of the device, wherein the reference of the module value relative values of the third relative values is the excitation amount of the applied fixed value;

[0024] a phase difference calculation module of the third relative values, configured to calculate the phase difference of the third relative values based on the phase difference of the second relative values and the relative values calculated and saved in the parameter intelligent setting step of the unique reference channel designation module of the device, wherein the reference of the phase difference of the third relative values is the unique reference channel of the device;

[0025] a relative time difference calculation module, configured to calculate the relative time difference based on the phase difference of the third relative values and the frequency parameter of the excitation amount of the applied fixed value;

[0026] a correction parameter acquisition module, configured to store the third relative values of each channel and the relative time difference of each channel as correction parameters;

[0027] a sampling value acquisition module, configured to perform consistency correction calculation on the original sampling value of each channel based on the correction parameters to obtain the consistency corrected sampling value;

[0028] a phasor value acquisition module, configured to perform consistency correction calculation on the original phasor value of each channel based on the correction parameters to obtain the consistency corrected phasor value.

[0029] To achieve the above object, the application further provides an electronic device, comprising a processor, a memory and a computer program stored in the memory and executable on the processor, wherein the computer program is executed by the processor to implement the sampling value consistency correction method of the power system device.

[0030] To achieve the above object, the application further provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, and the computer program is executed by a processor to implement the sampling value consistency correction method of the power system device.

[0031] According to the scheme of the present application, the present application effectively solves the deficiencies of the conventional implementation, cancels the relatively cumbersome interactive steps in the execution process, no longer pre-solidifies all parameters, improves the execution efficiency of the implementation, automatically realizes the calculation and setting of the related parameters, no longer needs manual setting, reduces the workload of the implementation, no longer pre-solidifies all parameters, the setting of the related parameters is a dynamic process, increases flexibility and universality, a large number of related parameters are no longer set through the man-machine dialogue mode, and the complexity of the man-machine dialogue interface design is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 A flow chart schematically showing a sampling value consistency correction method of a power system device according to an embodiment of the present application;

[0033] Figure 2 A flow chart for parameter calculation of device consistency correction of embodiment 1 of the present application;

[0034] Figure 3 A flow chart for intelligent setting of parameters of a test group reference channel designation module of embodiment 1 of the present application;

[0035] Figure 4 A flow chart for intelligent identification of an excitation amount step of applying a fixed value to a test group of embodiment 1 of the present application;

[0036] Figure 5 A flow chart for correctness analysis of a preliminary test group of embodiment 1 of the present application;

[0037] Figure 6 A flow chart for correctness analysis of a same-type determined test group of embodiment 1 of the present application;

[0038] Figure 7 A flow chart for contact feature analysis of a same-type determined test group of embodiment 1 of the present application;

[0039] Figure 8 A flow chart for intelligent setting of parameters of a same-type unique reference channel designation module of embodiment 1 of the present application;

[0040] Figure 9 A flow chart for intelligent identification of an excitation amount step of applying a fixed value to a same-type unique reference channel of embodiment 1 of the present application;

[0041] Figure 10 A flow chart for correctness analysis of a preliminary same-type unique reference channel of embodiment 1 of the present application;

[0042] Figure 11 A flow chart for intelligent setting of parameters of a device unique reference channel designation module of embodiment 1 of the present application;

[0043] Figure 12 Flow chart for intelligent identification of the step of applying a fixed value excitation amount to the same type of unique reference channel and the device unique reference channel of embodiment 1 of the present application;

[0044] Figure 13 Flow chart for analysis of the correctness of the device unique reference channel of embodiment 1 of the present application;

[0045] Figure 14 Flow chart for calculating the second relative value of all channels within the same type of embodiment 1 of the present application;

[0046] Figure 15 Flow chart for calculating the modulus relative value in the third relative value of all channels within the same type of embodiment 1 of the present application;

[0047] Figure 16 Flow chart for calculating the phase difference in the third relative value of all channels within the same type of embodiment 1 of the present application;

[0048] Figure 17 Flow chart for calculating the relative time difference of embodiment 1 of the present application;

[0049] Figure 18 Flow chart for calling the correction parameter of embodiment 1 of the present application;

[0050] Figure 19 Flow chart for consistency correction of the original sampling value of embodiment 1 of the present application;

[0051] Figure 20 Schematic diagram of the sampling value consistency correction calculation of 2-point linear interpolation of embodiment 1 of the present application. DETAILED DESCRIPTION

[0052] The present application will now be discussed with reference to example embodiments. It should be appreciated that the discussed embodiments are merely for the purpose of enabling those of ordinary skill in the art to better understand and therefore implement the content of the present application, and are not intended to imply any limitation on the scope of the present application.

[0053] As used herein, the term "comprising" and variations thereof are to be construed as meaning "including, but not limited to". The term "based on" is to be construed as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be construed as "at least one embodiment".

[0054] Figure 1 A flow chart schematically representing a sampling value consistency correction method of a power system device according to an embodiment of the present application is shown. As shown in Figure 1 In the present embodiment, a sampling value consistency correction method of a power system device includes:

[0055] Intelligent setting of parameters of the test group reference channel designation module;

[0056] Intelligent setting of parameters of the same type unique reference channel designation module;

[0057] Intelligent setting of parameters of the device unique reference channel designation module;

[0058] Using the first relative value calculated and saved in the intelligent setting of parameters of the test group reference channel designation module, wherein the reference of the first relative value is the test group reference channel;

[0059] Based on the first relative value and the phasor value of all channels in the test group at the same moment which has been saved in the process of calculating the first relative value, the second relative value of all channels in the same type is calculated, wherein the reference of the second relative value is the unique reference channel in the same type;

[0060] Based on the modulus relative value in the second relative value and the relative value calculated and saved in the intelligent setting of parameters of the unique reference channel designation module in the same type, the modulus relative value in the third relative value of all channels in the same type is calculated, wherein the reference of the modulus relative value in the third relative value is the excitation amount of the applied fixed value;

[0061] Based on the phase difference in the second relative value and the relative value calculated and saved in the intelligent setting of parameters of the device unique reference channel designation module, the phase difference in the third relative value of all channels in the same type is calculated, wherein the reference of the phase difference in the third relative value is the device unique reference channel;

[0062] Based on the phase difference in the third relative value and the frequency parameter of the excitation amount of the applied fixed value, the relative time difference is calculated;

[0063] The third relative value of each channel and the relative time difference of each channel are stored as correction parameters;

[0064] Based on the correction parameters, the original sampling value of each channel is calculated for consistency correction to obtain the consistency corrected sampling value;

[0065] Based on the correction parameters, the original phasor value of each channel is calculated for consistency correction to obtain the consistency corrected phasor value.

[0066] According to an embodiment of the present application, the intelligent setting of parameters of the test group reference channel designation module includes:

[0067] Intelligent identification of the test group excitation amount of the applied fixed value step;

[0068] Judging whether the identification is successful or not;

[0069] If yes, the channel number of the identified excitation quantity to which the fixed value is applied is a preliminary test group;

[0070] Determine whether the preliminary test group is equal to one of the determined test groups;

[0071] If no, preliminary test group correctness analysis;

[0072] Determine whether the preliminary test group is correct;

[0073] If yes, the preliminary test group is converted into a determined test group, and the test group parameters and required data are saved;

[0074] Same type determined test group correctness analysis;

[0075] Determine whether all same type determined test groups are correct;

[0076] If yes, the parameter intelligent setting of the test group reference channel designation module is successful.

[0077] Further, as preferred, the fixed value is a rated value.

[0078] Further, according to an embodiment of the present application, the intelligent identification of the test group excitation quantity application step includes:

[0079] Obtain the phasor value of all channels at the same moment calculated in real time using the original sampling value;

[0080] Determine whether it meets the corresponding excitation quantity characteristics of the test group excitation quantity application step;

[0081] If yes, the identification is successful.

[0082] Further, according to an embodiment of the present application, whether it meets the corresponding excitation quantity characteristics of the test group excitation quantity application step includes:

[0083] Count the number of phasor values of all channels of the same type within the range of the applied fixed value excitation quantity, and record the corresponding channel number;

[0084] Determine whether the number is greater than or equal to 2;

[0085] If yes, count the number of all channels of the same type in the state of not applying any excitation quantity;

[0086] Add the number of all channels of the same type in the state of not applying any excitation quantity to the number of phasor values of all channels of the same type within the range of the applied fixed value excitation quantity;

[0087] Determine whether the added number is equal to the number of all channels of the same type;

[0088] If yes, the corresponding excitation quantity characteristic of the step of applying the fixed value of the excitation quantity in accordance with the test grouping is met.

[0089] Further, according to an embodiment of the present application, within the range of the applied fixed value of the excitation quantity, the following is met:

[0090] ;

[0091] wherein, is the percentage of the difference limit value of the channel ratio of the device, is the effective value of the applied fixed value of the excitation quantity, is the reliability coefficient of the lower limit of the modulus value range; is the reliability coefficient of the upper limit of the modulus value range.

[0092] Further, according to an embodiment of the present application, the reliability coefficient of the lower limit of the modulus value range is in the range of: .

[0093] Further, according to an embodiment of the present application, the reliability coefficient of the upper limit of the modulus value range is in the range of: .

[0094] Further, according to an embodiment of the present application, the state of the channel without applying any excitation quantity includes:

[0095] judging whether the modulus value of the phasor value of the channel is less than the minimum threshold;

[0096] If yes, the channel is in the state of not applying any excitation quantity.

[0097] wherein, the minimum threshold is theoretically close to zero and is determined by the sampling accuracy of the device, and is generally taken as the rated value of the channel type below 2%.

[0098] Further, according to an embodiment of the present application, the pre-test grouping correctness analysis includes:

[0099] designating one channel in the pre-test grouping as a reference, and calculating a first relative value of all channels in the pre-test grouping relative to the reference by using the phasor value;

[0100] judging whether the first relative value of all channels in the pre-test grouping is within a reasonable range;

[0101] If yes, the pre-test grouping is correct;

[0102] If no, the pre-test grouping is incorrect.

[0103] Further, according to an embodiment of the present application, the reasonable range includes:

[0104] Specific module value relative value reasonable range: ;

[0105] Wherein, is the channel ratio difference limit value percentage of the device, is the module value relative value lower limit reliability coefficient; is the module value relative value upper limit reliability coefficient.

[0106] Further, according to an embodiment of the present application, the module value relative value lower limit reliability coefficient The value range is: .

[0107] Further, according to an embodiment of the present application, the module value relative value upper limit reliability coefficient The value range is: .

[0108] Further, according to an embodiment of the present application, the reasonable range also includes:

[0109] Specific phase difference reasonable range: ;

[0110] Wherein, is the phase difference range reliability coefficient; is the channel phase difference limit value of the device.

[0111] Further, according to an embodiment of the present application, the phase difference range reliability coefficient The value range is: .

[0112] Further, according to an embodiment of the present application, the same type determined test grouping correctness analysis includes:

[0113] Determine whether the same type determined test grouping has covered all channels of the same type;

[0114] If yes, the contact feature analysis of the same type determined test grouping;

[0115] Determine the contact feature of the same type determined test grouping;

[0116] If yes, the same type determined test grouping is correct;

[0117] If not, the same type determined test grouping is incorrect, and the same type determined test grouping is cancelled.

[0118] Further, according to an embodiment of the present application, the contact feature analysis of the same type determined test grouping includes:

[0119] If the connection between any two of the test groups determined in the same type is yes, then the connection between any two of the test groups determined in the same type is yes, otherwise the connection between any two of the test groups determined in the same type is no.

[0120] If the number of the connection between any two of the test groups determined in the same type is no is 0, then the connection feature of the test groups determined in the same type is yes, otherwise the connection feature of the test groups determined in the same type is no.

[0121] Further, according to an embodiment of the present application, the connection feature analysis of the test groups determined in the same type further comprises:

[0122] specifying a channel in the same type as a connection channel;

[0123] judging whether the test groups determined in the same type all satisfy one of the following conditions:

[0124] containing the connection channel;

[0125] connecting with the test groups containing the connection channel through the transition of other test groups and the common channel;

[0126] if yes, the connection feature of the test groups determined in the same type is yes;

[0127] if no, the connection feature of the test groups determined in the same type is no.

[0128] Further, according to an embodiment of the present application, the parameter intelligent setting of the same type unique reference channel specifying module comprises:

[0129] intelligent identification of the step of applying a fixed value of the incentive quantity to the same type unique reference channel;

[0130] judging whether the identification is successful;

[0131] if yes, taking the channel number of the incentive quantity to which the fixed value is applied as a preliminary same type unique reference channel;

[0132] preliminary same type unique reference channel correctness analysis;

[0133] judging whether the preliminary same type unique reference channel is correct;

[0134] if yes, the preliminary same type unique reference channel is converted into a determined same type unique reference channel, and the same type unique reference channel parameters and required data are saved;

[0135] judging whether all the same type unique reference channels are determined;

[0136] if yes, the parameter intelligent setting of the same type unique reference channel specifying module is successful.

[0137] Further, according to an embodiment of the present application, the intelligent identification of the same type of unique reference channel applying the fixed value of the excitation amount step includes:

[0138] Obtaining the phasor value of all channels at the same moment in real time by using the original sampling value;

[0139] Judging whether the corresponding excitation amount characteristic of the same type of unique reference channel applying the fixed value of the excitation amount step is met;

[0140] If yes, the identification is successful.

[0141] Further, according to an embodiment of the present application, whether the corresponding excitation amount characteristic of the same type of unique reference channel applying the fixed value of the excitation amount step is met includes:

[0142] Counting the number of the modulus values of the phasor values of all channels of the same type within the range of the applied fixed value of the excitation amount, and recording the corresponding channel number;

[0143] Judging whether the number is equal to 1;

[0144] If yes, counting the number of all channels of the same type in the state of not applying any excitation amount;

[0145] Adding the number of all channels of the same type in the state of not applying any excitation amount and the number of the modulus values of the phasor values of all channels of the same type within the range of the applied fixed value of the excitation amount;

[0146] Judging whether the added number is equal to the number of all channels of the same type;

[0147] If yes, the corresponding excitation amount characteristic of the same type of unique reference channel applying the fixed value of the excitation amount step is met.

[0148] Further, according to an embodiment of the present application, the preparation of the same type of unique reference channel correctness analysis includes:

[0149] Calculating the modulus value relative value between the modulus value of the prepared same type of unique reference channel and the applied fixed value of the excitation amount;

[0150] Judging whether the modulus value relative value is within a reasonable range;

[0151] If yes, the prepared same type of unique reference channel is correct;

[0152] If no, the prepared same type of unique reference channel is incorrect.

[0153] Further, according to an embodiment of the present application, the parameter intelligent setting of the same type of unique reference channel designation module includes:

[0154] Judging whether the parameter intelligent setting of the same type of unique reference channel designation module is successful;

[0155] If so, check if the number of channel types is greater than 1;

[0156] If so, intelligent identification of steps involving simultaneous application of a fixed excitation value to the unique reference channel of the same type and the unique reference channel of the device;

[0157] Determine whether the recognition was successful;

[0158] If so, one of the unique reference channels of the same type shall be used as the unique reference channel for the preparation device;

[0159] Correctness analysis of the single reference channel of the preparatory device;

[0160] Determine if the unique reference channel of the preparatory device is correct;

[0161] If so, the preparatory device's unique reference channel is converted to the determined device's unique reference channel, the device's unique reference channel parameters and required data are saved, and the parameters of the module specified by the device's unique reference channel are successfully set intelligently.

[0162] If the number of channel types is greater than 1, the only unique reference channel of the same type is designated as the device's unique reference channel. The parameters of the device's unique reference channel are saved, and the phase difference of the required data is saved as 0. The parameters of the module designated as the device's unique reference channel are successfully set.

[0163] Furthermore, according to one embodiment of the present invention, the intelligent identification of the step of simultaneously applying a fixed value of excitation amount to a unique reference channel of the same type and a unique reference channel of the device includes:

[0164] Obtain the phasor values ​​of all channels simultaneously using the original sampled values ​​in real time;

[0165] Determine whether the corresponding excitation quantity characteristics of the step of applying a fixed value excitation quantity simultaneously to the unique reference channel of the same type and the unique reference channel of the device are met;

[0166] If so, recognition successful.

[0167] Furthermore, according to one embodiment of the present invention, the corresponding excitation quantity characteristics of whether the step of simultaneously applying a fixed value of excitation quantity to a unique reference channel of the same type and a unique reference channel of the device includes:

[0168] Count the number of phasor values ​​of all channels of the same type that fall within the range of the applied fixed excitation value, and record the corresponding channel number;

[0169] Determine if the quantity is equal to 1;

[0170] If so, determine whether the corresponding channel number is equal to the determined unique reference channel of the same type;

[0171] If yes, count the number of all channels of the same type in the state of not applying any excitation amount;

[0172] Add the number of all channels of the same type in the state of not applying any excitation amount and the number of all channels of the same type in the state of applying the excitation amount of the fixed value within the range of the excitation amount;

[0173] Judge whether the added number is equal to the number of all channels of the same type;

[0174] If yes, apply the excitation amount characteristic of the fixed value to the unique reference channel of the same type;

[0175] Judge whether all of the same type are all applied to the excitation amount characteristic of the fixed value of the unique reference channel of the same type;

[0176] If yes, apply the corresponding excitation amount characteristic of the step of simultaneously applying the excitation amount of the fixed value to the unique reference channel of the same type and the unique reference channel of the device.

[0177] Further, according to an embodiment of the present application, the preparation of the unique reference channel of the device correctness analysis includes:

[0178] The phase difference between the corresponding unique reference channel of the same type and the unique reference channel of the device is calculated by the phasor value, and the phase difference is subtracted from the phase difference between the corresponding unique reference channel of the same type and the unique reference channel of the device applied with the excitation amount of the fixed value;

[0179] Judge whether the phase difference is within a reasonable range;

[0180] If yes, the unique reference channel of the device is correct.

[0181] Further, in order to achieve the above-mentioned purpose, the present application also provides a sampling value consistency correction system of a power system device, which includes:

[0182] The parameter intelligent setting module of the test grouping reference channel designation module;

[0183] The parameter intelligent setting module of the unique reference channel of the same type designation module;

[0184] The parameter intelligent setting module of the unique reference channel of the device designation module;

[0185] The first relative value calculation module adopts the first relative value calculated and saved in the parameter intelligent setting step of the test grouping reference channel designation module, wherein the reference of the first relative value is the test grouping reference channel;

[0186] The second relative value calculation module calculates the second relative value of all channels within the same type based on the first relative value and the phasor values ​​of all channels within the test group at the same moment that have been saved during the calculation of the first relative value. The reference of the second relative value is the unique reference channel of the same type.

[0187] The module for calculating the relative modulus value in the third relative value calculates the relative modulus value in the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the module specifying the unique reference channel of the same type. The module calculates the relative modulus value in the third relative value of all channels within the same type, where the reference for the relative modulus value in the third relative value is the applied fixed value of the excitation amount.

[0188] The phase difference calculation module in the third relative value calculates the phase difference in the third relative value of all channels within the same type based on the phase difference in the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the device's unique reference channel designation module. The reference for the phase difference in the third relative value is the device's unique reference channel.

[0189] The relative time difference calculation module calculates the relative time difference based on the phase difference in the third relative value and the frequency parameter of the applied fixed excitation amount;

[0190] The calibration parameter acquisition module stores the third relative value of each channel and the relative time difference of each channel as calibration parameters.

[0191] The sampling value acquisition module performs consistency correction calculations on the original sampling values ​​of each channel based on the correction parameters to obtain the consistency-corrected sampling values.

[0192] The phasor value acquisition module performs consistency correction calculations on the original phasor values ​​of each channel based on the correction parameters to obtain the consistency-corrected phasor values.

[0193] The sampling value consistency correction system of the power system device according to the present invention can realize the sampling value consistency correction method of the power system device. The specific method steps are as described above and will not be repeated here.

[0194] Furthermore, to achieve the above objectives, the present invention also provides an electronic device, including a processor, a memory, and a computer program stored in the memory and executable on the processor. When the computer program is executed by the processor, it implements a sampling value consistency correction method for a power system device as described above.

[0195] Further, to achieve the above object, the application further provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, and the computer program is executed by a processor to implement the sampling value consistency correction method of the power system device.

[0196] According to the scheme of the application, the application effectively solves the deficiencies of the conventional implementation, cancels the relatively cumbersome interaction steps, no longer pre-solidifies all parameters, improves the execution efficiency of implementation, automatically realizes the calculation and setting of related parameters, reduces the workload of implementation, no longer pre-solidifies all parameters, the setting of related parameters is a dynamic process, increases flexibility and universality, and a large number of related parameters are no longer set through man-machine dialogue, reducing the complexity of man-machine dialogue interface design.

[0197] Based on the above scheme of the application, the scheme of the application is described in detail in the manner of an embodiment in combination with the drawings.

[0198] Embodiment 1: The test groups, common channels, reference channels, etc. of the device of embodiment 1 are shown in Table 1 and Table 2:

[0199] Table 1: Test groups, common channels, reference channels of current analog quantities of a power system device

[0200]

[0201] Note: In Table 1,▲is the unique reference channel of the same type of current analog quantity channel,△is the reference channel of the test group,◎is the common channel,●is the channel contained in the test group, and⊙is the unique reference channel of the device; the first determined test group is channel serial numbers 5, 6, 7, 8, and 9, the second determined test group is channel serial numbers 9, 10, 11, 12, 13, and 14, and the third determined test group is channel serial numbers 1, 2, 3, 4, and 5, which is dynamically determined by the process of applying the excitation quantity, and the same type of current analog quantity channel is determined as 3 in this embodiment.

[0202] Table 2: Test groups, common channels, reference channels of voltage analog quantities of a power system device

[0203]

[0204] Note: In Table 2,▲is the unique reference channel of the same type of voltage analog quantity channel,△is the reference channel of the test group, and●is the channel contained in the test group, which is dynamically determined by the process of applying the excitation quantity, and the same type of voltage analog quantity channel is determined as 1 in this embodiment.

[0205] A sampling value consistency correction method of a power system device, a flowchart is as followsFigure 2 as shown, comprising:

[0206] Step 101, determine whether the test state flow of the correction parameter calculation is ended, if yes, go to next step 102, if no, jump to step 104 to start the test state flow of the correction parameter calculation;

[0207] Step 102, select the correction parameter calculation function of the consistency correction according to the need, if selected, go to next step 103, if not selected, jump to step 125 to call the correction parameter;

[0208] Step 103, set all the calculation flags corresponding to the current calculation to no;

[0209] Step 104, start the test state flow of the correction parameter calculation;

[0210] Step 105, select to forcibly end the test state flow of the correction parameter calculation, if selected, jump to step 124 to end the test state flow of the correction parameter calculation, if not selected, go to next step 106;

[0211] Step 106, calculate the phasor values of all channels at the same moment in real time by using the original sampling values;

[0212] Taking the devices in Table 1 and Table 2 as examples, the calculated phasor values include: ;

[0213] wherein, is the channel serial number, the serial number range of the current channel is , the serial number range of the voltage channel is ; is the channel type serial number, serial number 1 represents the current analog channel type, and serial number 2 represents the voltage analog channel type; is the modulus of the phasor values of all channels, is the amplitude angle of the phasor values of all channels; , respectively represent the names of the modulus and the amplitude angle of the phasor values;

[0214] Step 107, intelligent setting of the parameters of the test group reference channel designation module, the present application does not limit the specific implementation mode, but as preferred, the flow chart is as shown in Figure 3 , comprising:

[0215] Step 201, in combination with the operation of the test instrument, the test group applies the correct excitation quantity, and determines the correct flag of the test group of the same type determined by the current execution, if yes, jump to step 210 to determine whether the intelligent setting flow of the parameters of all the reference channel designation modules of the test groups of the same type is executed, if no, go to next step 202;

[0216] Step 202, intelligent identification of the step of applying the fixed-value excitation amount to the test group; the present application does not limit the specific implementation mode, but as preferred, the flow chart is as shown in Figure 4 , including:

[0217] Step 301, acquiring the phasor value of all channels at the same moment calculated in real time by using the original sampling value;

[0218] Step 302, counting the number of the modulus values of the phasor values of all channels of the same type within the range of the applied fixed-value excitation amount, and recording the corresponding channel number;

[0219] Taking the devices in Table 1 and Table 2 as examples, the channel serial numbers 9, 10, 11, 12, 13 and 14 of the current channel type 1 are applied with the correct excitation amount, and other channels of the same type are not applied with any excitation amount; the calculation includes that the counted number is 6, and the corresponding channel number is recorded by , , , , , , , and the other channel is equal to 0, ;

[0220] wherein, is the channel serial number, is the channel type serial number;

[0221] The range of the applied fixed-value excitation amount is:

[0222] ;

[0223] wherein, is the channel ratio difference limit value percentage of the device, is the effective value of the applied fixed-value excitation amount, is the modulus value range lower limit reliability coefficient, is the modulus value range upper limit reliability coefficient;

[0224] The value range of the modulus value range lower limit reliability coefficient is: , and further, as preferred, the selection principle is to take the low value as much as possible;

[0225] The value range of the modulus value range upper limit reliability coefficient is: , and further, as preferred, the selection principle is to take the high value as much as possible.

[0226] Step 303, judging whether the number is greater than or equal to 2, if yes, entering the next step 304, if not, jumping to step 203 to judge the intelligent identification mark of the step of applying the fixed-value excitation amount to the test group;

[0227] Step 304, count the number of channels of the same type that are not applied with any excitation amount;

[0228] For example, in the device of Table 1 and Table 2, the channel numbers 9, 10, 11, 12, 13, and 14 of the current channel type 1 are applied with the correct excitation amount, and other channels of the same type are not applied with any excitation amount. The calculation includes that the counted number is 8.

[0229] Step 305, add the number of channels of the same type that are not applied with any excitation amount and the number of channels of the same type whose phase value is within the range of the applied fixed value of the excitation amount;

[0230] For example, in the device of Table 1 and Table 2, the channel numbers 9, 10, 11, 12, 13, and 14 of the current channel type 1 are applied with the correct excitation amount, and other channels of the same type are not applied with any excitation amount. The calculation includes that the number is 14.

[0231] Step 306, determine whether the added number is equal to the number of all channels of the same type. If yes, proceed to the next step 307, if no, jump to step 203 to determine the intelligent identification flag of the step of applying the fixed value of the excitation amount to the test group;

[0232] Step 307, set the intelligent identification flag of the step of applying the fixed value of the excitation amount to the test group to yes;

[0233] Step 203, determine the intelligent identification flag of the step of applying the fixed value of the excitation amount to the test group. If yes, proceed to the next step 204, if no, jump to step 210 to determine whether the parameter intelligent setting process of all reference channel designation modules of the same type test group is fully executed;

[0234] Step 204, take the channel number identified as being applied with the fixed value of the excitation amount as a preliminary test group, and set the intelligent identification flag of the step of applying the fixed value of the excitation amount to the test group to no;

[0235] Step 205, determine whether the preliminary test group is equal to one of the determined test groups. If yes, jump to step 210 to determine whether the parameter intelligent setting process of all reference channel designation modules of the same type test group is fully executed, if no, proceed to the next step 206;

[0236] Step 206, preliminary test group correctness analysis. The present application does not limit the specific implementation, but as preferred, the flowchart is as shown in Figure 5 , which includes:

[0237] Step 401, designate one channel in the preliminary test group as a reference, and calculate the first relative value of all channels in the preliminary test group relative to the reference by using the phase value.

[0238] Taking the device in Table 1 and Table 2 as an example, the channel numbers 9, 10, 11, 12, 13, 14 of the current channel type 1 are applied with the correct excitation amount, and no excitation amount is applied to other channels of the same type, and the calculation includes: the first channel number in the designated preliminary test group is taken as a reference, and the channel number of the reference is taken as 0, and the first relative value of each channel in the preliminary test group is calculated according to the following formula: Record, When is equal to 1, , , ;

[0239] wherein, is the phase difference of the first relative value of all channels in the channel type 1 preliminary test group relative to the reference, is the modulus relative value of the first relative value of all channels in the channel type 1 preliminary test group relative to the reference, and the reference channel of the channel type 1 preliminary test group is the current channel number 9;

[0240] Step 402, judge whether the first relative value of all channels in the preliminary test group is within a reasonable range; if yes, go to the next step 403, if not, jump to step 404, and set the preliminary test group correct flag to no;

[0241] The reasonable range includes:

[0242] The specific modulus relative value reasonable range is: ;

[0243] wherein, is the channel ratio difference limit value percentage of the device, is the modulus relative value lower limit reliability coefficient, is the modulus relative value upper limit reliability coefficient;

[0244] The modulus relative value lower limit reliability coefficient has a value range of: , and further, as preferred, the selection principle is to take a high value as much as possible;

[0245] The modulus relative value upper limit reliability coefficient has a value range of: , and further, as preferred, the selection principle is to take a low value as much as possible.

[0246] The reasonable range also includes:

[0247] The specific phase difference reasonable range is: ;

[0248] wherein, is the phase difference range reliability coefficient, is the channel phase difference limit value of the device;

[0249] Phase difference range reliability coefficient The value range is: Further, as preferred, the selection principle is to take low values as much as possible.

[0250] Step 403, the preliminary test grouping correct flag is set to yes, and jump to step 207 to judge the preliminary test grouping correct flag;

[0251] Step 404, the preliminary test grouping correct flag is set to no;

[0252] Step 207, judge the preliminary test grouping correct flag, if yes, go to the next step 208, if no, jump to step 210 to judge whether the parameter intelligent setting process of all the same type test grouping reference channel designation modules is executed;

[0253] Step 208, the preliminary test grouping is converted into a determined test grouping, and the test grouping parameters and required data are saved;

[0254] Taking the devices in Table 1 and Table 2 as examples, the channel sequence numbers 9, 10, 11, 12, 13, and 14 of the current channel type 1 are applied with correct excitation amount, and other channels of the same type are not applied with any excitation amount; the calculation includes: record the determined test grouping number with record the determined test grouping reference channel with record the phase difference in the first relative value of all channels of the determined test grouping relative to the reference with record the modulus relative value in the first relative value of all channels of the determined test grouping relative to the reference with record the amplitude angle of the simultaneous time phasor value of all channels of the determined test grouping with record the modulus of the simultaneous time phasor value of all channels of the determined test grouping with record, , , When is equal to 1, , , , , ;

[0255] wherein, is the channel sequence number, is the test grouping sequence number, is the channel type sequence number, is the phase difference in the first relative value of all channels of the channel type 1 test grouping 2 relative to the reference, the modulus relative value in the first relative value of all channels in the test group 2 of the channel type 1 test relative to the reference, the serial number of the reference channel of the test group 2 of the channel type 1 test, the argument of the simultaneous phasor value of all channels in the test group 2 of the channel type 1 test, the modulus of the simultaneous phasor value of all channels in the test group 2 of the channel type 1 test, , , , , , other channels equal to 0;

[0256] Step 209, analysis of the correctness of the test group determined in the same type; the present application does not limit the specific implementation mode, but as preferred, the flow chart is shown in Figure 6 , which includes:

[0257] Step 501, judging whether the test group determined in the same type has covered all channels in the same type, if yes, entering the next step 502, if no, jumping to step 210 to judge whether the parameter intelligent setting flow of the reference channel designation module of all test groups in the same type has been executed;

[0258] Step 502, analysis of the contact feature of the test group determined in the same type; the present application does not limit the specific implementation mode, but as preferred, the flow chart is shown in Figure 7 , which includes:

[0259] Step 601, designating a channel in the same type as the contact channel;

[0260] Taking the device in table 1 and table 2 as an example, the current execution is the channel type 1, and the calculation includes: designating the first channel of the test group 1 in the same type as the contact channel, and the serial number of the contact channel is the channel serial number 5 of the channel type 1;

[0261] Step 602, judging whether the test group currently executed contains the contact channel in the same type, if yes, jumping to step 607 to judge whether the contact feature analysis flow of all test groups in the same type has been executed, if no, entering the next step 603;

[0262] Taking the device in table 1 and table 2 as an example, the current execution is the test group 1 of the channel type 1, and the calculation includes: jumping to step 607;

[0263] Step 603, finding the test group in the same type which has a common channel with the test group currently executed;

[0264] Taking the device in table 1 and table 2 as an example, the current execution is the test group 2 of the channel type 1, and the calculation includes: the found test group is 1, and the common channel is the channel serial number 9;

[0265] Step 604, whether the found test group contains the same type of contact channel, if yes, jump to step 607 to judge whether the same type of all test group contact feature analysis process is executed, if no, enter the next step 605;

[0266] Step 605, continue to find the remaining test group in the same type with the common channel of the last found test group, if found, jump to step 604 to find whether the test group contains the same type of contact channel, if not found, enter the next step 606;

[0267] Step 606, judge whether the test group found in step 603 has executed the above two steps (step 604 and step 605), if yes, jump to step 608 to determine the contact feature analysis flag of the test group in the same type as no, if no, jump to step 604 to find whether the test group contains the same type of contact channel;

[0268] Step 607, judge whether the same type of all test group contact feature analysis process is executed, if yes, jump to step 609 to determine the contact feature analysis flag of the test group in the same type as yes, if no, jump to step 602 to judge whether the current executed test group contains the same type of contact channel;

[0269] Step 608, the contact feature analysis flag of the test group determined in the same type is set as no, and jump to step 503 to judge the contact feature analysis flag of the test group determined in the same type;

[0270] Step 609, the contact feature analysis flag of the test group determined in the same type is set as yes;

[0271] Step 503, judge the contact feature analysis flag of the test group determined in the same type, if yes, enter the next step 504, if no, jump to step 505 to set the correct flag of the test group determined in the same type as no, and the test group determined in the same type is cancelled;

[0272] Step 504, set the correct flag of the test group determined in the same type as yes, and jump to step 210 to judge whether the parameter intelligent setting process of all same type test group reference channel designation module is executed;

[0273] Step 505, set the correct flag of the test group determined in the same type as no, and the test group determined in the same type is cancelled; the calculation includes: the number of determined test groups ;

[0274] Step 210, judge whether the parameter intelligent setting flow of all the same type test group reference channel designation modules is executed, if yes, enter next step 211, if no, jump to step 201 to judge the same type determined test group correct flag currently executed;

[0275] Step 211, judge whether all the same type determined test group correct flags are yes, if yes, enter next step 212, if no, jump to step 108 parameter intelligent setting of same type unique reference channel designation module;

[0276] Step 212, the parameter intelligent setting flag of test group reference channel designation module is set to yes.

[0277] Step 108, parameter intelligent setting of same type unique reference channel designation module, the present application does not limit specific implementation, but as preferred, the flow chart is as shown in Figure 8 , including:

[0278] Step 801, combine the operation of test instrument, the same type unique reference channel applies correct excitation amount, judge the same type determined unique reference channel correct flag currently executed, if yes, jump to step 808, judge whether the intelligent identification flow of all the same type unique reference channel applying fixed value excitation amount step is executed, if no, enter next step 802;

[0279] Step 802, intelligent identification of same type unique reference channel applying fixed value excitation amount step; the present application does not limit specific implementation, but as preferred, the flow chart is as shown in Figure 9 , including:

[0280] Step 901, acquire real-time calculation of all channels phasor value at the same time with original sampling value;

[0281] Step 902, count the number of same type all channels phasor value modulus in the range of applied fixed value excitation amount, and record the corresponding channel number;

[0282] Take the device of table 1 and table 2 as an example, the channel serial number 1 of current channel type 1 is applied correct excitation amount, and other channels of same type are not applied any excitation amount; calculation includes: the number of statistics is 1, and the corresponding channel number is recorded by ; ;

[0283] Among them, is channel type serial number, is channel type 1 corresponding channel number;

[0284] Step 903, judge whether the number is equal to 1, if yes, enter the next step 904, if not, jump to step 803 to judge the intelligent identification mark of the step of applying the fixed value of the excitation quantity of the unique reference channel of the same type;

[0285] Step 904, count the number of all channels of the same type in the state of not applying any excitation quantity;

[0286] Taking the device in Table 1 and Table 2 as an example, the channel sequence number 1 of the current channel type 1 is applied with the correct excitation quantity, and the other channels of the same type are not applied with any excitation quantity; the calculation includes that the counted number is 13;

[0287] Step 905, add the number of all channels of the same type in the state of not applying any excitation quantity and the number of the modulus of the phase value of all channels of the same type within the range of the applied fixed value of the excitation quantity;

[0288] Taking the device in Table 1 and Table 2 as an example, the channel sequence number 1 of the current channel type 1 is applied with the correct excitation quantity, and the other channels of the same type are not applied with any excitation quantity; the calculation includes that the number is 14;

[0289] Step 906, judge whether the added number is equal to the number of all channels of the same type, if yes, enter the next step 907, if not, jump to step 803 to judge the intelligent identification mark of the step of applying the fixed value of the excitation quantity of the unique reference channel of the same type;

[0290] Step 907, set the intelligent identification mark of the step of applying the fixed value of the excitation quantity of the unique reference channel of the same type to yes;

[0291] Step 803, judge the intelligent identification mark of the step of applying the fixed value of the excitation quantity of the unique reference channel of the same type, if yes, enter the next step 804, if not, jump to step 808 to judge whether the intelligent identification process of the step of applying the fixed value of the excitation quantity of all unique reference channels of the same type is executed;

[0292] Step 804, set the channel number identified as being applied with the fixed value of the excitation quantity as the preliminary unique reference channel of the same type, and set the intelligent identification mark of the step of applying the fixed value of the excitation quantity of the unique reference channel of the same type to no;

[0293] Step 805, preliminary unique reference channel correctness analysis; the present application does not limit the specific implementation mode, but as preferred, the flow chart is as shown in Figure 10 , which includes:

[0294] Step 1001, calculate the relative value of the modulus between the preliminary unique reference channel of the same type and the applied fixed value of the excitation quantity by using the modulus of the phase value of the preliminary unique reference channel of the same type;

[0295] With the device of Table 1 and Table 2 as an example, the channel sequence number 1 of the current channel type 1 is applied with the correct excitation amount, and other channels of the same type are not applied with any excitation amount; the calculation includes: recording the relative value of the modulus between the determined unique reference channel of the same type and the fixed value excitation amount applied in the test with ,

[0296] wherein, is the channel type sequence number, is the relative value of the modulus between the determined unique reference channel of the same type and the fixed value excitation amount applied in the test, is the effective value of the fixed value excitation amount applied to the determined unique reference channel of the same type;

[0297] Step 1002, judge whether the relative value of the modulus is within a reasonable range; if yes, go to the next step 1003, if not, jump to step 1004 to set the correct flag of the prepared unique reference channel of the same type to no;

[0298] Step 1003, set the correct flag of the prepared unique reference channel of the same type to yes, and jump to step 806 to judge the correct flag of the prepared test group;

[0299] Step 1004, set the correct flag of the prepared unique reference channel of the same type to no;

[0300] Step 806, judge the correct flag of the prepared unique reference channel of the same type, if yes, go to the next step 807, if not, jump to step 808 to judge whether the intelligent recognition process of the fixed value excitation amount step of all the unique reference channels of the same type is executed completely;

[0301] Step 807, the prepared unique reference channel of the same type is converted into a determined unique reference channel of the same type, and the parameters and required data of the unique reference channel of the same type are saved;

[0302] With the device of Table 1 and Table 2 as an example, the channel sequence number 1 of the current channel type 1 is applied with the correct excitation amount, and other channels of the same type are not applied with any excitation amount; the calculation includes: recording the relative value of the modulus between the determined unique reference channel of the same type and the fixed value excitation amount applied in the test with , , ; wherein, is the channel type sequence number, is the sequence number of the unique reference channel of the same type, is the relative value of the modulus between the determined unique reference channel of the same type and the fixed value excitation amount applied in the test;

[0303] ​​​Step 808, judge whether the intelligent identification process of the step of applying the fixed value of the excitation amount of all the same type unique reference channels is executed, if yes, go to the next step 809, if no, jump to step 801 to judge the same type determined unique reference channel correct flag;

[0304] Step 809, judge whether all the same type determined unique reference channel correct flags are yes, if yes, go to the next step 810, if no, jump to step 109 to set the parameters of the device unique reference channel designation module intelligently;

[0305] Step 810, set the parameter intelligent setting flag of the same type unique reference channel designation module to yes;

[0306] Step 109, set the parameters of the device unique reference channel designation module intelligently; the present application does not limit the specific implementation mode, but as preferred, the flow chart is as shown in Figure 11 , including:

[0307] Step 1101, judge the parameter intelligent setting flag of the same type unique reference channel designation module, if yes, go to the next step 1102, if no, jump to step 110 to judge whether all the parameter intelligent setting flags are yes;

[0308] Step 1102, judge whether the number of channel types is greater than 1, if yes, go to the next step 1103, if no, jump to step 1110 to designate the only one same type unique reference channel as the device unique reference channel, save the device unique reference channel parameters, and save the phase difference of the required data as 0;

[0309] Step 1103, combine the operation of the test instrument, simultaneously apply the correct excitation amount to the same type unique reference channel and the device unique reference channel, judge the determined device unique reference channel correct flag, if yes, jump to step 110 to judge whether all the parameter intelligent setting flags are yes, if no, go to the next step 1104;

[0310] Step 1104, intelligent identification of the step of applying the fixed value of the excitation amount to the same type unique reference channel and the device unique reference channel; the present application does not limit the specific implementation mode, but as preferred, the flow chart is as shown in Figure 12 , including:

[0311] Step 1201, acquire the phasor value of all channels at the same time calculated in real time with the original sampling value;

[0312] Step 1202, count the number of the modulus values of the phasor values of all the same type channels currently executed within the range of the applied fixed value of the excitation amount, and record the corresponding channel number;

[0313] For example, the device in Table 1 and Table 2, the channel type 1 channel number 1 is applied the correct amount of excitation, the same type of other channels do not apply any excitation amount; channel type 2 channel number 1 is applied the correct amount of excitation, the same type of other channels do not apply any excitation amount; the current execution is for channel type 1; the calculation includes: the number of statistics is 1, the corresponding channel number is Record, ; wherein, channel type number;

[0314] Step 1203, determine whether the number is equal to 1, if yes, go to the next step 1204, if not, jump to step 1209, the current execution of the same type of unique reference channel to apply the fixed value of the excitation flag is set to no;

[0315] Step 1204, determine whether the corresponding channel number is equal to the determined same type of unique reference channel number; if yes, go to the next step 1205, if not, jump to step 1209, the current execution of the same type of unique reference channel to apply the fixed value of the excitation flag is set to no;

[0316] For example, the device in Table 1 and Table 2, the channel type 1 channel number 1 is applied the correct amount of excitation, the same type of other channels do not apply any excitation amount; channel type 2 channel number 1 is applied the correct amount of excitation, the same type of other channels do not apply any excitation amount; the current execution is for channel type 1; the calculation includes: because , So , go to the next step 1205;

[0317] Step 1205, statistics of all channels of the same type in the state of not applying any excitation amount;

[0318] Step 1206, the number of all channels of the same type in the state of not applying any excitation amount and the number of all channels of the same type in the state of the modulus of the phase value within the range of the applied fixed value of the excitation are added;

[0319] Step 1207, determine whether the added number is equal to the number of all channels of the same type, if yes, go to the next step 1208, if not, jump to step 1209, the current execution of the same type of unique reference channel to apply the fixed value of the excitation flag is set to no;

[0320] Step 1208, the current execution of the same type of unique reference channel to apply the fixed value of the excitation flag is set to yes;

[0321] Step 1209, the current execution of the same type of unique reference channel to apply the fixed value of the excitation flag is set to no;

[0322] Step 1210, judging whether the identification process of all the same type of unique reference channel applying the fixed value of the excitation amount is executed, if yes, entering the next step 1211, if no, jumping to step 1202 to count the number of the same type of all channels within the range of the applied fixed value of the excitation amount;

[0323] Step 1211, judging whether the flag of all the same type of unique reference channel applying the fixed value of the excitation amount is yes, if yes, entering the next step 1212, if no, jumping to step 1105 to judge the intelligent identification flag of the same type of unique reference channel and device unique reference channel simultaneously applying the fixed value of the excitation amount step;

[0324] Step 1212, setting the intelligent identification flag of the same type of unique reference channel and device unique reference channel simultaneously applying the fixed value of the excitation amount step to yes;

[0325] Step 1105, judging the intelligent identification flag of the same type of unique reference channel and device unique reference channel simultaneously applying the fixed value of the excitation amount step, if yes, entering the next step 1106, if no, jumping to step 110 to judge whether all the parameter intelligent setting flags are yes;

[0326] Step 1106, taking one of the same type of unique reference channel as the preliminary device unique reference channel, and setting the intelligent identification flag of the same type of unique reference channel and device unique reference channel simultaneously applying the fixed value of the excitation amount step to no;

[0327] Taking the device in Table 1 and Table 2 as an example, the channel sequence number 1 of the current channel type 1 is applied with the correct excitation amount, and the other channels of the same type are not applied with any excitation amount; the channel sequence number 1 of the current channel type 2 is applied with the correct excitation amount, and the other channels of the same type are not applied with any excitation amount; the calculation includes: taking the unique reference channel of the channel type 1 as the preliminary device unique reference channel

[0328] Step 1107, preliminary device unique reference channel correctness analysis; the present application does not limit the specific implementation, but as preferred, the flow chart is as shown in Figure 13

[0329] Step 1301, calculating the phase difference between the currently executed same type of unique reference channel and device unique reference channel by the phasor value, and then subtracting the phase difference between the currently executed same type of unique reference channel and device unique reference channel applying the fixed value of the excitation amount;

[0330] ​​For example, the device in Table 1 and Table 2, the channel sequence number 1 of the current channel type 1 is applied with the correct excitation amount, and no excitation amount is applied to other channels of the same type; the channel sequence number 1 of the current channel type 2 is applied with the correct excitation amount, and no excitation amount is applied to other channels of the same type; the current execution is for channel type 2; the calculation includes: the phase difference between the reference channels is recorded as the phase difference between the applied fixed value excitation amounts of the reference channels is recorded as

[0331] wherein, is the channel type sequence number, is the phase difference between the channel type 2 unique reference channel and the device unique reference channel; is the phase difference between the channel type 2 unique reference channel and the device unique reference channel applied with the fixed value excitation amount, and the device unique reference channel is designated as the unique reference channel of the channel type 1;

[0332] Step 1302, determine whether the phase difference is within a reasonable range, if yes, go to the next step 1303, if no, jump to step 1304, the current execution of the same type unique reference channel phase difference correct flag is set to no;

[0333] Step 1303, the current execution of the same type unique reference channel phase difference correct flag is set to yes;

[0334] Step 1304, the current execution of the same type unique reference channel phase difference correct flag is set to no;

[0335] Step 1305, determine whether all the same type unique reference channel phase difference processes are executed, if yes, go to the next step 1306, if no, jump to step 1301, calculate the phase difference between the current execution of the same type unique reference channel and the device unique reference channel with the phasor value;

[0336] Step 1306, determine whether all the same type unique reference channel phase difference correct flags are yes, if yes, go to the next step 1307, if no, jump to step 1308, the preliminary device unique reference channel correct flag is set to no;

[0337] Step 1307, the preliminary device unique reference channel correct flag is set to yes, and jump to step 1108 to determine the preliminary device unique reference channel correct flag;

[0338] Step 1308, the preliminary device unique reference channel correct flag is set to no;

[0339] ​​​Step 1108, judging whether the unique reference channel of the preparation device is correctly marked, if yes, entering the next step 1109, if not, jumping to step 110 judging whether all the parameter intelligent setting marks are yes;

[0340] Step 1109, the unique reference channel of the preparation device is changed into the determined device unique reference channel, the device unique reference channel parameter and the required data are saved, and jumping to step 1111, the parameter intelligent setting mark of the device unique reference channel designation module is set as yes;

[0341] Step 1110, the only one unique reference channel of the same type is designated as the device unique reference channel, the device unique reference channel parameter is saved, and the phase difference of the required data is 0;

[0342] Step 1111, the parameter intelligent setting mark of the device unique reference channel designation module is set as yes;

[0343] Step 110, judging whether all the parameter intelligent setting marks are yes, if yes, entering the next step 111, if not, jumping to step 128 other steps of the normal running state flow;

[0344] Step 111, using the first relative value calculated and saved in the parameter intelligent setting step of the test grouping reference channel designation module, and the phasor value at the same time, wherein the reference of the first relative value is the test grouping reference channel;

[0345] Taking the device in Table 1 and Table 2 as an example, the calculation includes: using the values of 、 , , ;

[0346] Step 112, based on the first relative value and the phasor value at the same time of all the channels in the test group which has been saved in the process of calculating the first relative value, the second relative value of all the channels in the same type is calculated, wherein the reference of the second relative value is the unique reference channel of the same type; the present application does not limit the specific implementation mode, but as preferred, the flow chart is as shown in Figure 14 , including:

[0347] Step 701, judging whether the current execution test group of the same type contains the unique reference channel of the same type, if yes, entering the next step 702, if not, jumping to step 705 finding the test group which has common channels with the current execution test group in the same type;

[0348] Step 702, using the phasor value at the same time of all the channels in the current execution test group which has been saved, the relative value between the reference channel of the current execution test group and the unique reference channel of the same type is calculated;

[0349] Taking the device in Table 1 and Table 2 as an example, the currently executed test group is channel type 1 test group 3, the calculation includes: the phase difference in the relative value between the test group reference channel and the unique reference channel of the same type is recorded as , the modulus value relative value in the relative value between the test group reference channel and the unique reference channel of the same type is recorded as , , ;

[0350] wherein, is the test group number, is the channel type number, is the phase difference in the relative value between the channel type 1 test group 3 reference channel and the unique reference channel of the same type, is the modulus value relative value in the relative value between the channel type 1 test group 3 reference channel and the unique reference channel of the same type, is the number of the channel type 1 test group 3 reference channel; the channel type 1 test group 3 reference channel is current channel number 1, and the unique reference channel of the same type of the channel type 1 is current channel number 1;

[0351] Step 703, the second relative value of all channels in the currently executed test group is calculated using the relative value between the test group reference channel and the unique reference channel of the same type currently executed and the first relative value;

[0352] Taking the device in Table 1 and Table 2 as an example, the currently executed test group is channel type 1 test group 3, the calculation includes: the phase difference in the second relative value of all channels of the same type is recorded as , the modulus value relative value in the second relative value of all channels of the same type is recorded as , when is equal to 1, , , ;

[0353] wherein, is the channel number, is the channel type number, is the phase difference in the second relative value of the channel type 1 channel number , is the modulus value relative value in the second relative value of the channel type 1 channel number ;

[0354] Step 704, the test group uniform reference calculation flag of the currently executed test group is set to yes, and it is jumped to step 715 to judge whether the test group uniform reference calculation flags of all channels of the same type are all yes;

[0355] Step 705, find the rest of the test groups with common channels with the current test group in the same type, if found, go to the next step 706, if not found, jump to step 716 to prompt the unified reference exception;

[0356] Taking the devices in Table 1 and Table 2 as an example, the current test group is test group 1 of channel type 1, and the calculation includes: the found test group is test group 2 of channel type 1 with common channel of current channel sequence number 9, and test group 3 of channel type 1 with common channel of current channel sequence number 5;

[0357] Step 706, calculate the relative value between the reference channel of the current test group and the common channel of the found test group using the phasor values of all channels at the same time saved in the current test group;

[0358] Taking the devices in Table 1 and Table 2 as an example, the current test group is test group 1 of channel type 1, and the calculation includes: the found test group is test group 2 of channel type 1 with common channel of current channel sequence number 9, and test group 3 of channel type 1 with common channel of current channel sequence number 5; The phase difference of the relative value in the superposition calculation process is recorded as The relative value of the modulus of the relative value in the superposition calculation process is recorded as , , , ;

[0359] Among them, , are the phase difference and the modulus of the relative value between the reference channel of test group 1 of channel type 1 and the common channel of current channel sequence number 9, which are calculated using the phasor values of all channels at the same time saved in test group 1 of channel type 1; the common channel of test group 1 of channel type 1 and test group 2 of channel type 1 is current channel sequence number 9; is the sequence number of the reference channel of test group 1 of channel type 1; the reference channel of test group 1 of channel type 1 is current channel sequence number 5;

[0360] Step 707, judge whether the found test group contains the only reference channel in the same type, if yes, go to the next step 708, if not, jump to step 712 to continue to find the rest of the test groups with common channels with the test group found last time in the same type;

[0361] Taking the devices in Table 1 and Table 2 as an example, the current test group is test group 1 of channel type 1, and the calculation includes: jump to step 712;

[0362] Step 708: Using the phasor values ​​of all channels within the found test group at the same instant that have been saved, calculate the relative value between the common channel of the found test group and the unique reference channel of the same type.

[0363] Taking the devices in Tables 1 and 2 as examples, the currently executed test group is channel type 1 test group 1. Calculations are performed using the found channel type 1 test group 3, and the calculations include: , , ;

[0364] in, , The phase difference and relative magnitude values ​​between the common current channel number 5 and the unique reference channel of the same type 1 are respectively calculated using the phasor values ​​of all channels in test group 3 of channel type 1 at the same moment; the common channel of test group 3 of channel type 1 and test group 1 of channel type 1 is current channel number 5; the unique reference channel of the same type 1 is current channel number 1;

[0365] Step 709: Superimpose all the calculated relative values ​​connected through the common channel to obtain the relative value between the current test group benchmark channel and the unique benchmark channel of the same type;

[0366] Taking the devices in Tables 1 and 2 as examples, the currently executed test group is channel type 1 test group 1. Calculations are performed using the found channel type 1 test group 3, and the calculations include: , ;

[0367] in, The phase difference in the relative value between the reference channel of test group 1 of channel type 1 and the unique reference channel of the same type. The relative value of the modulus between the baseline channel of test group 1 of channel type 1 and the unique baseline channel of the same type;

[0368] Step 710: Calculate the second relative value of all channels within the test group using the relative value between the currently executed test group benchmark channel and the unique benchmark channel of the same type, and the first relative value;

[0369] Taking the devices in Tables 1 and 2 as examples, the currently executed test group is channel type 1 test group 1. The calculation is performed using the found channel type 1 test group 3, and includes: when... When equal to 1, , , ;

[0370] Step 711, the test group uniform reference calculation flag of the current execution is set to yes, and step 715 is jumped to judge whether all test group uniform reference calculation flags of the same type are yes;

[0371] Step 712, the remaining test groups with common channels with the last found test group in the same type are found, if found, step 713 is entered, if not found, step 714 is jumped to judge whether the test groups found in step 705 have all executed the above steps (steps 706, 707, 708, 709, 710, 711);

[0372] Taking the devices in table 1 and table 2 as examples, the current executed test group is test group 1 of channel type 1, and the last found test group is test group 2 of channel type 1, and the calculation includes: jumping to step 714;

[0373] Step 713, the relative values between the common channels of the last found test group and the found test group are calculated by using the saved phasor values of all channels of the last found test group at the same time, and step 707 is jumped to judge whether the found test group contains the unique reference channel of the same type;

[0374] Taking the devices in table 1 and table 2 as examples, the current executed test group is test group 2 of channel type 1, and the last found test group is test group 1 of channel type 1, and the calculation includes: the found test group is test group 3 of channel type 1, and the common channel is current channel sequence number 5, , , , jumping to step 707;

[0375] Wherein, the common channel of test group 2 of channel type 1 and test group 1 of channel type 1 is current channel sequence number 9; the common channel of test group 1 of channel type 1 and test group 3 of channel type 1 is current channel sequence number 5; 、 The phase difference and the modulus relative value in the relative value between the common channel current channel sequence number 9 of test group 2 of channel type 1 and the common channel current channel sequence number 5 of test group 1 of channel type 1 are respectively calculated by using the saved phasor values of all channels of test group 1 of channel type 1 at the same time;

[0376] Step 714, judging whether the test groups found in step 705 have all executed the above steps, if yes, step 716 is jumped to prompt the uniform reference exception, if not, step 706 is jumped to calculate the relative values between the reference channel of the current executed test group and the common channel of the found test group by using the saved phasor values of all channels of the current executed test group at the same time;

[0377] Taking the devices in Tables 1 and 2 as examples, the currently executed test group is channel type 1 test group 1. The first loop uses the found channel type 1 test group 2, and the second loop continues using the channel type 1 test group 3 found in step 705. The calculation includes: jump to step 706.

[0378] Step 715: Determine whether all test groups of the same type have the same unified benchmark calculation flag. If yes, skip to step 717 to determine whether all test groups of the same type have been executed. If no, skip to step 701 to determine whether the currently executed test group of the same type contains the same type of unique benchmark channel.

[0379] Taking the devices in Tables 1 and 2 as examples, the calculation includes: continuing the cycle of the same type of test group unified benchmark calculation process;

[0380] Step 716 indicates an anomaly in the unified baseline, and the process jumps to step 124 to end the experimental status flow for calculating the calibration parameters.

[0381] Step 717: Determine whether all unified benchmark calculation processes of the same type have been executed. If yes, proceed to the next step 113. If no, jump to step 701 to determine whether the currently executed test group of the same type contains the same type of unique benchmark channel.

[0382] Taking the devices in Tables 1 and 2 as examples, the calculation includes: continuing the loop of the remaining unified benchmark calculation process of the same type;

[0383] Step 113: Based on the relative value of the modulus in the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the module designated by the unique reference channel of the same type, calculate the relative value of the modulus in the third relative value of all channels within the same type. The reference of the relative value of the modulus in the third relative value is the applied fixed value of the excitation amount. This invention does not limit the specific implementation method, but as a preferred embodiment, the flowchart is as follows. Figure 15 As shown, it includes:

[0384] Step 1401: Using the relative modulus value between the currently executed unique reference channel of the same type and the applied fixed excitation amount, and the relative modulus value in the second relative value, calculate the relative modulus value in the third relative value of all channels of the same type currently being executed;

[0385] Taking the devices in Tables 1 and 2 as examples, the currently executed type is channel type 1, and the calculation includes: , ;

[0386] in, Channel number, Channel type 1 channel number The relative value of the modulus in the third relative value;

[0387] Step 1402: Prompt and save the corresponding unique reference channel modulus correction parameter calculation flag as "Yes";

[0388] Step 1403: Determine whether all the modulus calculation processes of the same type of third relative values ​​have been executed. If yes, proceed to the next step 114. If no, jump to step 1401 and use the modulus relative value between the currently executed same type of unique reference channel and the applied fixed value of the excitation amount.

[0389] Taking the devices in Tables 1 and 2 as examples, the calculation includes: continuing the cycle of calculating the modulus relative value in the third relative value of all channels of the same type.

[0390] Step 114: Based on the phase difference in the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the device's unique reference channel designated module, calculate the phase difference in the third relative value of all channels within the same type. The reference for the phase difference in the third relative value is the device's unique reference channel. This invention does not limit the specific implementation method, but as a preferred embodiment, the flowchart is as follows: Figure 16 As shown, it includes:

[0391] Step 1501: Using the phase difference between the currently executed unique reference channel of the same type and the device's unique reference channel, and the phase difference in the second relative value, calculate the phase difference in the third relative value of all channels of the same type currently being executed;

[0392] Taking the devices in Tables 1 and 2 as examples, the calculations include: , or , ;

[0393] in, Channel number, For channel type Channel number The phase difference in the third relative value;

[0394] Step 1502: Prompt and save the corresponding calibration parameter calculation flag of the same type of unified and unique reference channel as "Yes";

[0395] Step 1503: Determine whether the calibration parameter calculation process for all uniform and unique reference channels of the same type has been executed. If yes, proceed to the next step 115. If no, jump to step 1501 and use the phase difference between the currently executed uniform and unique reference channel of the same type and the device's unique reference channel.

[0396] Step 115, based on the phase difference in the third relative value and the frequency parameter of the excitation amount of the applied fixed value, calculate the relative time difference; the present application does not limit the specific implementation, but as preferred, the flow chart is as shown in Figure 17 The calculation of the relative time difference includes:

[0397] Step 1601, find the channel in which the phase difference in the third relative value is the minimum value in all channels;

[0398] Step 1602, take the channel with the minimum value as the reference, calculate the phase difference of all channels relative to the reference;

[0399] Take the devices in Table 1 and Table 2 as an example, assuming that the channel with the minimum value is channel No. 3 of channel type 1, the calculation includes: , Or , ;

[0400] Wherein, is the channel number, is the channel type number, is the phase difference of each channel relative to the channel with the minimum value as the reference, in radian;

[0401] Step 1603, convert the phase difference relative to the channel with the minimum value as the reference into the relative time difference using the frequency parameter of the excitation amount of the applied fixed value;

[0402] Take the devices in Table 1 and Table 2 as an example, assuming that the channel with the minimum phase difference is channel No. 3 of channel type 1, the specific calculation includes: , Or , ;

[0403] Wherein, is the channel number, is the channel type number, is the relative time difference, in milliseconds, is the frequency of the excitation amount of the applied fixed value.

[0404] Step 116, judge whether the storage of the correction parameter process is finished, if yes, go to the next step 117, if not, jump to step 118 to start the storage of the correction parameter process;

[0405] Step 117, store the third relative value of each channel and the relative time difference of each channel as the correction parameter;

[0406] Step 118, start the storage of the correction parameter process;

[0407] Step 119, judging whether the result of storing the correction parameter is feedback, if yes, entering next step 120, if no, jumping to step 125 calling the correction parameter;

[0408] Step 120, judging whether the result of storing the correction parameter is successful, if yes, entering next step 121, if no, jumping to step 122 prompting that the storing of the correction parameter is not successful, and sending an abnormal alarm signal of the device;

[0409] Step 121, prompting that the storing of the correction parameter is successful, and re-booting, jumping to step 123 ending the storing of the correction parameter process;

[0410] Step 122, prompting that the storing of the correction parameter is not successful, and sending an abnormal alarm signal of the device;

[0411] Step 123, ending the storing of the correction parameter process;

[0412] Step 124, ending the test state process of the correction parameter calculation;

[0413] Step 125, calling the correction parameter; the present application does not limit the specific implementation mode, but as preferred, the flow chart is as shown in Figure 18 , including:

[0414] Step 1701, judging whether the calling of the correction parameter process is ended, if yes, entering next step 1702, if no, jumping to step 1705 starting the calling of the correction parameter process;

[0415] Step 1702, judging whether the abnormal alarm flag of the correction parameter of the device is, if yes, jumping to other steps of the normal running state process of step 128, if no, entering next step 1703;

[0416] The abnormal alarm flag of the correction parameter of the device is set as no at the start of the device, and is set as no at the alarm reset operation of the device.

[0417] Step 1703, judging whether the calling of the correction parameter flag is successful, if yes, jumping to step 126 performing the consistency correction calculation on the original sampling value of each channel based on the correction parameter to obtain the consistency corrected sampling value, if no, entering next step 1704;

[0418] The calling of the correction parameter flag is set as not successful at the start of the device.

[0419] Step 1704, calling the correction parameter which has been successfully saved;

[0420] Step 1705, starting the calling of the correction parameter process;

[0421] Step 1706, judging whether the called correction parameter data is ready, if yes, entering next step 1707, if no, jumping to step 128 other steps of the normal running state flow;

[0422] Step 1707, judging whether the correction parameter data is correct, if yes, entering next step 1708, if no, jumping to step 1709 saving the correction parameter abnormal alarm flag of the device as yes, and sending the device abnormal alarm signal;

[0423] The safe and reliable data processing method for storing and judging whether the correction parameter data is correct is common in devices, and similar data processing methods include system parameters and fixed value data of devices, and the application is not limited to specific implementation manners, but as preferred, the data processing method is in accordance with the system parameters.

[0424] Step 1708, saving the called correction parameter flag as success, and jumping to step 1711 ending the flow of calling the correction parameter;

[0425] Step 1709, saving the correction parameter abnormal alarm flag of the device as yes, and sending the device abnormal alarm signal;

[0426] Step 1710, ending the flow of calling the correction parameter, and jumping to step 128 other steps of the normal running state flow;

[0427] Step 1711, ending the flow of calling the correction parameter;

[0428] Step 126, based on the correction parameter, performing consistency correction calculation on the original sampling value of each channel to obtain the consistency corrected sampling value;

[0429] The application is not limited to specific implementation manners, but as preferred, the flow chart is as shown in Figure 19 The consistency corrected sampling value includes:

[0430] Step 1801, using the modulus relative value of each channel in the correction parameter to perform correction calculation on the original sampling value of each channel to obtain the sampling value of each channel after modulus relative value correction;

[0431] Taking the device in table 1 and table 2 as an example, the calculation includes: , Or , ;

[0432] Wherein, is the channel serial number, is the channel type serial number, is the original sampling value at the moment, is the modulus relative value of each channel in the correction parameter, and is the consistency corrected sampling value. The sampled value at time t is corrected for relative values ​​of the modulus.

[0433] Step 1802: Using the relative time difference of each channel in the correction parameters, interpolate the relative time difference of the sampled value after the modulus relative value correction of each channel to obtain the sampled value after consistency correction; further, as a preferred option, a 2-point linear interpolation method is used.

[0434] Taking the devices in Tables 1 and 2 as examples, the calculations include: , or , ,like Figure 20 As shown, the dashed line represents the waveform of the sampled value after consistency correction, and the solid line represents the waveform of the sampled value after relative magnitude correction.

[0435] in, Channel number, This is the channel type number. for The sampled values ​​after consistency correction at each moment. for The sampled value after modulus relative value correction at time 10000. for The sampled value at the previous sampling time after modulus relative value correction. The sampling interval is in milliseconds.

[0436] Step 127: Based on the correction parameters, perform consistency correction calculation on the original phasor values ​​of each channel to obtain the consistency-corrected phasor values;

[0437] This invention does not limit the specific implementation method, but as a preferred embodiment, obtaining the phasor value after consistency correction includes:

[0438] Using the relative magnitude and phase difference of each channel in the aforementioned correction parameters, the magnitude and argument of the original phasor value of each channel are corrected and calculated to obtain the phasor value after consistency correction.

[0439] Taking the devices in Tables 1 and 2 as examples, the calculations include: , , or , ;

[0440] in, Channel number, This is the channel type number. for The magnitude of the original phasor value at time . for the argument of the original phasor value at the time instant, is the modulus of the phasor value after the time consistency correction, is the argument of the phasor value after the time consistency correction.

[0441] Step 128, other steps of the normal operation state flow jump to step 101 to judge whether the test state flow of the correction parameter calculation is ended;

[0442] Taking the device in Table 1 and Table 2 as an example, the calculation includes: continuing the next cycle.

[0443] It should be noted that the same type currently executed is the same type executed by one cycle of all the same types, and the test group currently executed is the test group executed by one cycle of all the test groups of the same type. The corresponding same type is corresponding to the same type currently executed, and the corresponding test group is corresponding to the test group currently executed.

[0444] Those skilled in the art can realize that the modules and algorithm steps described in combination with the embodiments disclosed herein can be realized by electronic hardware or a combination of computer software and electronic hardware. Whether the functions are realized in hardware or software mode depends on the specific application of the technical solution and the design constraints. The skilled person can use different methods to realize the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0445] Those skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working process of the device and equipment described above can refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.

[0446] In the embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of the modules is only a logical function division, and actual implementation can have another division manner, for example, a plurality of modules or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed each other can be indirect coupling or communication connection through some interfaces, devices or modules, and can be electrical, mechanical or other forms.

[0447] The modules described as separate components may or may not be physically separate, and the components shown as modules may or may not be physical modules, i.e., may be located in one place or distributed over multiple network modules. Some or all of the modules can be selected according to actual needs to achieve the purpose of the embodiments of the present application.

[0448] In addition, each functional module in the embodiments of the present application can be integrated into one processing module, or each module can exist physically independently, or two or more modules can be integrated into one module.

[0449] If the functions are implemented in the form of software functional modules and sold or used as independent products, they can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application, essentially or the part that contributes to the prior art, or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium, and includes several instructions for making a computer device (which can be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the energy-saving signal transmission / reception method of the embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk, and various program codes that can be stored in the medium.

[0450] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the scope of the application involved in the present application is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.

[0451] It should be understood that the sequence of the steps in the summary and embodiments of the present application does not absolutely mean the order of execution, and the execution order of the processes should be determined according to their functions and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

Claims

1. A method of sampling value consistency correction of an electric power system device, characterized by, Comprise: The parameter intelligent setting of the test group reference channel designation module, comprising: intelligent identification of the step of applying a fixed value of excitation quantity to the test group; determining whether the identification is successful; if yes, taking the channel number of the test group to which the fixed value of excitation quantity is applied as a preliminary test group; determining whether the preliminary test group is equal to one of the determined test groups; if no, analyzing the correctness of the preliminary test group; determining whether the preliminary test group is correct; if yes, converting the preliminary test group into a determined test group, saving the test group parameters and required data; analyzing the correctness of the determined test groups of the same type; determining whether all the determined test groups of the same type are correct; if yes, the parameter intelligent setting of the test group reference channel designation module is successful; The parameter intelligent setting of the same type unique reference channel designation module, comprising: intelligent identification of the step of applying a fixed value of excitation quantity to the same type unique reference channel; determining whether the identification is successful; if yes, taking the channel number of the same type unique reference channel to which the fixed value of excitation quantity is applied as a preliminary same type unique reference channel; analyzing the correctness of the preliminary same type unique reference channel; determining whether the preliminary same type unique reference channel is correct; if yes, converting the preliminary same type unique reference channel into a determined same type unique reference channel, saving the same type unique reference channel parameters and required data; determining whether all the same type unique reference channels are determined; if yes, the parameter intelligent setting of the same type unique reference channel designation module is successful; The parameter intelligent setting of the device unique reference channel designation module, comprising: determining whether the parameter intelligent setting of the same type unique reference channel designation module is successful; if yes, determining whether the number of channel types is greater than 1; if yes, intelligently identifying the step of applying a fixed value of excitation quantity to the same type unique reference channel and the device unique reference channel simultaneously; determining whether the identification is successful; if yes, taking one of the same type unique reference channels as a preliminary device unique reference channel; analyzing the correctness of the preliminary device unique reference channel; determining whether the preliminary device unique reference channel is correct; if yes, converting the preliminary device unique reference channel into a determined device unique reference channel, saving the device unique reference channel parameters and required data, and the parameter intelligent setting of the device unique reference channel designation module is successful; if no, designating the only same type unique reference channel as the device unique reference channel, saving the device unique reference channel parameters, saving the phase difference of the required data as 0, and the parameter intelligent setting of the device unique reference channel designation module is successful; Using the first relative value calculated and saved in the parameter intelligent setting step of the test group reference channel designation module, wherein the reference of the first relative value is the test group reference channel; Based on the first relative value and the phasor values of all channels at the same moment in the test group which have been saved in the process of calculating the first relative value, the second relative value of all channels in the same type is calculated, wherein the reference of the second relative value is the same type unique reference channel; Based on the modulus relative value in the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the same type unique reference channel designated module, the modulus relative value in the third relative value of all channels in the same type is calculated, wherein the reference of the modulus relative value in the third relative value is the excitation amount of the applied fixed value; Based on the phase difference in the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the device unique reference channel designated module, the phase difference in the third relative value of all channels in the same type is calculated, wherein the reference of the phase difference in the third relative value is the device unique reference channel; Based on the phase difference in the third relative value and the frequency parameter of the excitation amount of the applied fixed value, the relative time difference is calculated; The third relative value of each channel and the relative time difference of each channel are stored as correction parameters; Based on the correction parameters, the original sampling value of each channel is subjected to consistency correction calculation to obtain the consistency corrected sampling value; Based on the correction parameters, the original phasor value of each channel is subjected to consistency correction calculation to obtain the consistency corrected phasor value.

2. The sampling value consistency correction method of a power system device according to claim 1, characterized by, The intelligent identification of the test grouping excitation amount step includes: The phasor value of all channels at the same moment is calculated in real time with the original sampling value; It is judged whether the corresponding excitation amount characteristics of the test grouping excitation amount step are met; If yes, the identification is successful.

3. The sampling value consistency correction method of a power system device according to Claim 2, characterized by, The judgment of whether the corresponding excitation amount characteristics of the test grouping excitation amount step are met includes: The number of phasor values of all channels in the same type whose modulus is within the range of the applied fixed value excitation amount is counted, and the corresponding channel number is recorded; It is judged whether the number is greater than or equal to 2; If yes, the number of all channels in the same type in the state of not applying any excitation amount is counted; The number of all channels in the same type in the state of not applying any excitation amount is added to the number of all channels in the same type whose modulus of phasor value is within the range of the applied fixed value excitation amount; It is judged whether the added number is equal to the number of all channels in the same type; If yes, the corresponding excitation amount characteristics of the test grouping excitation amount step are met.

4. The sampling value consistency correction method of a power system device according to Claim 1, characterized by, The pre-test grouping correctness analysis includes: One channel in the pre-test grouping is designated as a reference, and the first relative value of all channels in the pre-test grouping relative to the reference is calculated by phasor value; It is judged whether the first relative value of all channels in the pre-test grouping is within a reasonable range; If yes, the pre-test grouping is correct; If not, the pre-test grouping is incorrect.

5. The sampling value consistency correction method of a power system apparatus according to claim 1, characterized by, The same type determined test grouping correctness analysis includes: It is judged whether the same type determined test grouping has covered all channels in the same type; If yes, the contact feature analysis of the same type determined test grouping; It is judged whether the contact feature of the same type determined test grouping; If yes, the same type determined test grouping is correct; If not, the same type determined test grouping is incorrect, and the same type determined test grouping is cancelled.

6. The sampling value consistency correction method of a power system device according to Claim 5, characterized by, The contact feature analysis of the same type determined test grouping includes: If the connection between any two of the test groups of the same type is yes through the common channel or through the transition of other test groups and the common channel, the connection between any two of the test groups is yes, otherwise the connection between any two of the test groups is no; If the number of the connection between any two of the test groups of the same type is 0, the connection feature of the test groups of the same type is yes, otherwise the connection feature of the test groups of the same type is no.

7. The sampling value consistency correction method of a power system device according to Claim 5, characterized by, The connection feature analysis of the test groups of the same type further comprises: specifying a channel in the same type as a connection channel; determining whether the test groups of the same type meet one of the following conditions: containing the connection channel; connecting with the test group containing the connection channel through the transition of other test groups and the common channel; if yes, the connection feature of the test groups of the same type is yes; if no, the connection feature of the test groups of the same type is no.

8. The method of claim 1, wherein the method is a method of correcting sampling value consistency of a power system device, characterized by, The intelligent identification of the step of applying the fixed value excitation quantity to the unique reference channel of the same type comprises: obtaining the phasor values of all channels at the same time calculated in real time by using the original sampling values; determining whether the corresponding excitation quantity feature of the step of applying the fixed value excitation quantity to the unique reference channel of the same type is met; if yes, the identification is successful.

9. The sampling value consistency correction method of a power system device according to Claim 8, characterized by, The determination of whether the corresponding excitation quantity feature of the step of applying the fixed value excitation quantity to the unique reference channel of the same type is met comprises: counting the number of the modulus values of the phasor values of all channels of the same type within the range of the applied fixed value excitation quantity, and recording the corresponding channel number; determining whether the number is equal to 1; if yes, counting the number of all channels of the same type in the state of not applying any excitation quantity; adding the number of all channels of the same type in the state of not applying any excitation quantity to the number of the modulus values of the phasor values of all channels of the same type within the range of the applied fixed value excitation quantity; determining whether the added number is equal to the number of all channels of the same type; if yes, the corresponding excitation quantity feature of the step of applying the fixed value excitation quantity to the unique reference channel of the same type is met.

10. The method of claim 1, wherein The correctness analysis of the prepared unique reference channel of the same type comprises: calculating the modulus value relative value between the modulus value of the prepared unique reference channel of the same type and the applied fixed value excitation quantity; determining whether the modulus value relative value is within a reasonable range; if yes, the prepared unique reference channel of the same type is correct; if no, the prepared unique reference channel of the same type is incorrect.

11. The method of claim 1, wherein the method is a method of correcting sampling value consistency of a power system device, characterized by, The intelligent identification of the step of applying the fixed value excitation quantity to the unique reference channel of the same type and the device unique reference channel comprises: obtaining the phasor values of all channels at the same time calculated in real time by using the original sampling values; determining whether the corresponding excitation quantity feature of the step of applying the fixed value excitation quantity to the unique reference channel of the same type and the device unique reference channel is met; if yes, the identification is successful.

12. The sampling value consistency correction method of a power system device according to Claim 11, characterized by, The determination of whether the corresponding excitation quantity feature of the step of applying the fixed value excitation quantity to the unique reference channel of the same type and the device unique reference channel is met comprises: counting the number of the modulus values of the phasor values of all channels of the same type within the range of the applied fixed value excitation quantity, and recording the corresponding channel number; determining whether the number is equal to 1; if yes, determining whether the corresponding channel number is equal to the determined unique reference channel of the same type; If yes, count the number of all channels of the same type in the state of not applying any excitation amount; Add the number of all channels of the same type in the state of not applying any excitation amount and the number of all channels of the same type in the state of applying the excitation amount of the fixed value within the range of the excitation amount of the fixed value; Determine whether the added number is equal to the number of all channels of the same type; If yes, apply the excitation amount of the fixed value to the unique reference channel of the same type; Determine whether all of the same type meet the excitation amount characteristic of applying the excitation amount of the fixed value to the unique reference channel of the same type; If yes, apply the excitation amount of the fixed value to the unique reference channel of the same type and the unique reference channel of the device at the same time.

13. The method of claim 1, wherein the method is a method of correcting sampling value consistency of a power system device, characterized by, The pre-device unique reference channel correctness analysis includes: Calculate the phase difference between the corresponding unique reference channel of the same type and the unique reference channel of the device by the phasor value, and then subtract the phase difference between the unique reference channel of the same type and the unique reference channel of the device applying the excitation amount of the fixed value; Determine whether the phase difference is within a reasonable range; If yes, the pre-device unique reference channel is correct.

14. A sampled value consistency correction system for power system devices, characterized by, It includes: The parameter intelligent setting module of the test grouping reference channel designation module is used for intelligent identification of the test grouping applying the excitation amount of the fixed value step; Determine whether the identification is successful; if yes, take the channel number to which the excitation amount of the fixed value is applied as a pre-test grouping; determine whether the pre-test grouping is equal to one of the determined test groupings; if not, analyze the correctness of the pre-test grouping; determine whether the pre-test grouping is correct; if yes, the pre-test grouping is converted into a determined test grouping, and the test grouping parameters and required data are saved; the correctness of the determined test grouping of the same type is analyzed; determine whether all of the determined test groupings of the same type are correct; if yes, the parameter intelligent setting of the test grouping reference channel designation module is successful; The parameter intelligent setting module of the unique reference channel of the same type designation module is used for intelligent identification of the unique reference channel of the same type applying the excitation amount of the fixed value step; determine whether the identification is successful; if yes, take the channel number to which the excitation amount of the fixed value is applied as a pre-unique reference channel of the same type; Analyze the correctness of the pre-unique reference channel of the same type; determine whether the pre-unique reference channel of the same type is correct; If yes, the pre-unique reference channel of the same type is converted into a determined unique reference channel of the same type, and the unique reference channel parameters of the same type and required data are saved; determine whether all of the unique reference channels of the same type are determined; if yes, the parameter intelligent setting of the unique reference channel of the same type designation module is successful; The parameter intelligent setting module of the unique reference channel of the same type designation module is used for intelligent identification of the unique reference channel of the same type applying the excitation amount of the fixed value step; determine whether the identification is successful; if yes, take the channel number to which the excitation amount of the fixed value is applied as a pre-unique reference channel of the same type; Analyze the correctness of the pre-unique reference channel of the same type; determine whether the pre-unique reference channel of the same type is correct; If yes, the pre-unique reference channel of the same type is converted into a determined unique reference channel of the same type, and the unique reference channel parameters of the same type and required data are saved; determine whether all of the unique reference channels of the same type are determined; if yes, the parameter intelligent setting of the unique reference channel of the same type designation module is successful; If yes, the unique device reference channel of the preparation device is converted into the determined device unique reference channel, the device unique reference channel parameter and the required data are saved, and the parameter intelligent setting of the device unique reference channel designation module is successful; if no, the only one unique reference channel of the same type is designated as the device unique reference channel, the device unique reference channel parameter is saved, the phase difference of the required data is saved as 0, and the parameter intelligent setting of the device unique reference channel designation module is successful; The first relative value calculation module uses the first relative value calculated and saved in the parameter intelligent setting step of the test grouping reference channel designation module, wherein the reference of the first relative value is the test grouping reference channel; The second relative value calculation module calculates the second relative value of all channels in the same type based on the first relative value and the phasor value of all channels at the same time in the test group which has been saved in the process of calculating the first relative value, wherein the reference of the second relative value is the unique reference channel of the same type; The module value relative value calculation module of the third relative value calculates the module value relative value of the third relative value of all channels in the same type based on the module value relative value of the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the unique reference channel designation module of the same type, wherein the reference of the module value relative value of the third relative value is the applied fixed value excitation amount; The phase difference calculation module of the third relative value calculates the phase difference of the third relative value of all channels in the same type based on the phase difference of the second relative value and the relative value calculated and saved in the parameter intelligent setting step of the unique reference channel designation module of the device, wherein the reference of the phase difference of the third relative value is the device unique reference channel; The relative time difference calculation module calculates the relative time difference based on the phase difference of the third relative value and the frequency parameter of the applied fixed value excitation amount; The correction parameter acquisition module stores the third relative value of each channel and the relative time difference of each channel as the correction parameter; The sampling value acquisition module performs consistency correction calculation on the original sampling value of each channel based on the correction parameter to obtain the consistency corrected sampling value; The phasor value acquisition module performs consistency correction calculation on the original phasor value of each channel based on the correction parameter to obtain the consistency corrected phasor value.

15. An electronic device, comprising: The computer readable storage medium stores a computer program, and the computer program is executed by the processor to implement the sampling value consistency correction method of the power system device according to any one of claims 1-13.

16. A computer-readable storage medium, characterized in that, The computer readable storage medium stores a computer program, and the computer program is executed by the processor to implement the sampling value consistency correction method of the power system device according to any one of claims 1-13.

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