A remote signaling test method for a power distribution terminal and related device

By receiving and verifying remote signaling signals, generating timing identification codes and sampling requests, the accuracy and reliability of remote signaling tests are ensured, solving the problem of failure or misjudgment in remote signaling quantity acquisition at distribution terminals, and improving the safety and reliability of the power grid.

CN116824831BActive Publication Date: 2026-01-13GUANGDONG POWER GRID CO LTD +1
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Patent Information

Application Number
CN202310790518.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-29
Publication Date
2026-01-13
Estimated Expiration
2043-06-29

AI Technical Summary

Technical Problem

In existing technologies, failures or misjudgments in the acquisition of remote signaling data from distribution terminals lead to problems with the safety and reliability of the power grid, necessitating the design of reliable and accurate remote signaling testing methods.

Method used

By receiving and verifying remote signaling signals, a timing identification code and a sampling request are generated. If the timing data are consistent within a preset time threshold, a test result is generated; otherwise, the signal is reset and tested again to ensure the accuracy of the remote signaling data.

Benefits of technology

A reliable and accurate remote signaling test method is provided to ensure the accuracy and reliability of remote signaling tests and avoid misjudgments caused by clutter or data intervals not being within the preset threshold.

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Abstract

The application discloses a remote signaling test method and related device of a power distribution terminal. The remote signaling data, the time when the remote signaling data occurs and the clutter in the remote signaling data are directly collected. When the interval between the data generated by the remote signaling source twice is out of the preset threshold or the clutter exists, it is considered that the remote signaling test is not in the confidence range, and the test needs to be performed again, so as to ensure the accuracy of the remote signaling test, thereby providing a reliable and accurate remote signaling test method of a power distribution terminal.
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Description

Technical Field

[0001] This application relates to the field of power technology, and in particular to a remote signaling test method and related apparatus for a power distribution terminal. Background Technology

[0002] With the continuous advancement of modern science and the increasing automation of power distribution networks, the electromagnetic environment of substations is becoming increasingly complex. Therefore, the State Grid Corporation of China has placed higher demands on the safety and reliability of its distribution networks. However, failures and misjudgments in the remote signaling data acquisition of distribution terminals can have serious consequences for the safe operation of the power grid. Therefore, it is urgent to design a reliable and accurate remote signaling testing method for distribution terminals. Summary of the Invention

[0003] This application provides a remote signaling test method and related apparatus for power distribution terminals, which are used to perform reliable and accurate remote signaling tests on power distribution terminals.

[0004] In view of this, the first aspect of this application provides a remote signaling test method for a power distribution terminal, the method comprising:

[0005] S1. Receive the first remote signaling signal from the requesting end;

[0006] S2. Verify the first remote signaling signal; if the first remote signaling signal consists of remote signaling data and timing data, then proceed to step S3; otherwise, proceed to step S6.

[0007] S3. Return the first response information to the requesting end, wherein the first response signal includes: a timing identification code and a sampling request;

[0008] The system receives a second remote signaling signal from the requesting end. The second remote signaling signal is generated based on the first response information. The second remote signaling signal includes remote signaling data and timing data.

[0009] S4. If the timing data in the first remote signaling signal and the second remote signaling signal are within a preset time threshold, return the second response information to the requesting end and execute step S5; otherwise, reset the requesting end's request, reset the remote signaling signal of the requesting end to the first remote signaling signal for the next time, and return to step S2; wherein, the second response information includes data verification information.

[0010] S5. Generate test results based on the first remote signaling signal and the second remote signaling signal;

[0011] S6. Generate test results based on the (N-1)th remote signaling signal and the Nth remote signaling signal; where N is the timing identification code and N is greater than or equal to 2.

[0012] Optionally, the remote signaling data includes: the type of remote signaling source and the type of signal generated when sampling the remote signaling source; the time-series data includes: the time when the signal is generated when sampling the remote signaling source.

[0013] Optionally, receiving the first remote signaling signal from the requesting end specifically includes:

[0014] The system receives a first remote signaling signal from the requesting end, determines the remote signaling source corresponding to the first remote signaling signal, generates an identification code for the remote signaling source, and stores the identification code in the time series data to obtain the time series identification code.

[0015] Optionally, when the requesting end receives any remote signaling signal:

[0016] If the remote signaling signal includes both digital and analog signals, then all previous data corresponding to the same remote signaling source A in the time-series data of the remote signaling signal will be removed.

[0017] When the requesting end sends the Nth remote signaling signal from remote signaling source A, it resets the Nth remote signaling signal to the first remote signaling signal and then executes S2.

[0018] Optionally, the requesting end is used for:

[0019] Remote signaling data is obtained by sampling the remote signaling source, and time-series data is generated based on the sampling time of the remote signaling source, thereby obtaining a remote signaling signal including the remote signaling data and the time-series data, and then the remote signaling signal is sent to the receiving end.

[0020] A second aspect of this application provides a remote signaling testing system for a power distribution terminal, the system comprising:

[0021] The first receiving unit is used to receive the first remote signaling signal from the requesting end;

[0022] The first analysis unit is used to verify the first remote signaling signal; if the first remote signaling signal consists of remote signaling data and timing data, then the second receiving unit is triggered; otherwise, the second generation unit is triggered.

[0023] And return the first response information to the requesting end, wherein the first response signal includes: a timing identification code and a sampling request;

[0024] The second receiving unit receives a second remote signaling signal from the requesting end. The second remote signaling signal is generated based on the first response information. The second remote signaling signal includes remote signaling data and timing data.

[0025] The second analysis unit is configured to return second response information to the requesting end and trigger the first generation unit if the timing data in the first remote signaling signal and the second remote signaling signal are within a preset time threshold; otherwise, it resets the requesting end's request and resets the remote signaling signal of the requesting end to the first remote signaling signal for the next request, and triggers the first analysis unit; wherein the second response information includes data verification information.

[0026] The first generation unit is used to generate test results based on the first remote signaling signal and the second remote signaling signal;

[0027] The second generation unit is used to generate test results based on the (N-1)th remote signaling signal and the Nth remote signaling signal; where N is the timing identification code and N is greater than or equal to 2.

[0028] Optionally, the remote signaling data includes: the type of remote signaling source and the type of signal generated when sampling the remote signaling source; the time-series data includes: the time when the signal is generated when sampling the remote signaling source.

[0029] Optionally, the first receiving unit is specifically used for:

[0030] The system receives a first remote signaling signal from the requesting end, determines the remote signaling source corresponding to the first remote signaling signal, generates an identification code for the remote signaling source, and stores the identification code in the time series data to obtain the time series identification code.

[0031] A third aspect of this application provides a remote signaling testing device for a power distribution terminal, the device comprising a processor and a memory:

[0032] The memory is used to store program code and transmit the program code to the processor;

[0033] The processor is configured to execute the steps of the remote signaling test method for the power distribution terminal as described in the first aspect above, according to the instructions in the program code.

[0034] A fourth aspect of this application provides a computer-readable storage medium for storing program code for executing the remote signaling test method for a power distribution terminal described in the first aspect.

[0035] As can be seen from the above technical solutions, this application has the following advantages:

[0036] This application provides a remote signaling test method for a power distribution terminal, comprising: S1, receiving a first remote signaling signal from a requesting end; S2, verifying the first remote signaling signal; if the first remote signaling signal consists of remote signaling data and timing data, then proceeding to step S3; otherwise, proceeding to step S6; S3, returning first response information to the requesting end, wherein the first response signal includes: a timing identification code and a sampling request; receiving a second remote signaling signal from the requesting end, the second remote signaling signal being generated based on the first response information; the second remote signaling signal including remote signaling data and timing data; S4 If the timing data in the first and second remote signaling signals are within a preset time threshold, return the second response information to the requesting end and execute step S5; otherwise, reset the requesting end's request, reset the remote signaling signal of the next requesting end to the first remote signaling signal, and return to step S2; wherein, the second response information includes data verification information; S5, generate test results based on the first and second remote signaling signals; S6, generate test results based on the (N-1)th and Nth remote signaling signals; wherein N is a timing identification code, and N is greater than or equal to 2.

[0037] Compared with existing technologies, this method directly collects remote signaling data, the time of occurrence of the remote signaling data, and noise in the remote signaling data. When the interval between two data generation by the remote signaling source is outside the preset threshold or when noise is present, the remote signaling test is considered to be outside the confidence range and needs to be tested again to ensure the accuracy of the remote signaling test. This provides a reliable and accurate remote signaling test method for power distribution terminals. Attached Figure Description

[0038] Figure 1 This is a flowchart illustrating a remote signaling test method for a power distribution terminal provided in an embodiment of this application.

[0039] Figure 2 This is a schematic diagram of the structure of a remote signaling test system for a power distribution terminal provided in an embodiment of this application. Detailed Implementation

[0040] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0041] Terminology Explanation: Remote signaling refers to the switching quantity of remote communication data, such as the open / closed status of circuit breakers or disconnectors, the action / reset of protection signals, and the activation / deactivation of AGC / AVC functions, which is usually represented by 1 or 2 binary bits.

[0042] Please see Figure 1 This application provides a remote signaling test method for a power distribution terminal, used at the receiving end, comprising:

[0043] Step 101: Receive the first remote signaling signal from the requesting end;

[0044] It should be noted that, in one embodiment, a first remote signaling signal is received from the requesting end, the remote signaling source corresponding to the first remote signaling signal is determined, an identification code of the remote signaling source is generated, and the identification code is stored in the timing data to obtain the timing identification code.

[0045] Furthermore, in one embodiment, if any received remote signaling signal includes both digital and analog signals, then all previous data corresponding to the same remote signaling source A in the timing data of the remote signaling signal will be removed. It should be noted that the remote signaling source A is a name given for ease of description.

[0046] When the requesting end sends the Nth remote signaling signal of remote signaling source A, the Nth remote signaling signal is reset to the first remote signaling signal and then step 102 is executed.

[0047] Step 102: Verify the first remote signaling signal; if the first remote signaling signal consists of remote signaling data and timing data, then proceed to step 103; otherwise, proceed to step 106.

[0048] Step 103: Return the first response information to the requesting end, wherein the first response signal includes: a timing identification code and a sampling request;

[0049] The system receives a second remote signaling signal from the requesting end. The second remote signaling signal is generated based on the first response information. The second remote signaling signal includes remote signaling data and timing data.

[0050] Step 104: If the timing data in the first remote signaling signal and the second remote signaling signal are within the preset time threshold, return the second response information to the requesting end and execute step 105; otherwise, reset the requesting end's request, reset the remote signaling signal of the requesting end to the first remote signaling signal for the next time, and return to step 102; wherein, the second response information includes data verification information.

[0051] Step 105: Generate test results based on the first and second remote signaling signals;

[0052] Step 106: Generate test results based on the (N-1)th remote signaling signal and the Nth remote signaling signal; where N is the timing identification code and N is greater than or equal to 2.

[0053] In one embodiment, the remote signaling test method for a power distribution terminal of this application is used on the requesting end, and the method includes:

[0054] Remote signaling data is obtained by sampling the remote signaling source, and time-series data is generated based on the sampling time of the remote signaling source, thereby obtaining a remote signaling signal including remote signaling data and time-series data, and then the remote signaling signal is sent to the receiving end.

[0055] It is understood that the remote signaling test method for the power distribution terminal in this embodiment is intended to illustrate the data processing process of the requesting end during the test.

[0056] The remote signaling test method for power distribution terminals provided in this application directly collects remote signaling data, the time of occurrence of the remote signaling data, and noise in the remote signaling data. When the interval between two data generation by the remote signaling source is outside the preset threshold or when noise is present, the remote signaling test is considered to be outside the confidence range and needs to be tested again to ensure the accuracy of the remote signaling test. Thus, a reliable and accurate remote signaling test method for power distribution terminals is provided.

[0057] The above is a remote signaling test method for a power distribution terminal provided in the embodiments of this application. The following is a remote signaling test system for a power distribution terminal provided in the embodiments of this application.

[0058] Please see Figure 2 The remote signaling test system for a power distribution terminal provided in this application embodiment includes:

[0059] The first receiving unit 201 is used to receive a first remote signaling signal from the requesting end;

[0060] The first analysis unit 202 is used to verify the first remote signaling signal; if the first remote signaling signal consists of remote signaling data and timing data, the second receiving unit is triggered; otherwise, the second generating unit is triggered.

[0061] It also returns a first response message to the requesting end, wherein the first response signal includes: a timing identification code and a sampling request;

[0062] The second receiving unit 203 receives the second remote signaling signal from the requesting end. The second remote signaling signal is generated based on the first response information. The second remote signaling signal includes remote signaling data and timing data.

[0063] The second analysis unit 204 is configured to return second response information to the requesting end and trigger the first generation unit if the timing data in the first remote signaling signal and the second remote signaling signal are within a preset time threshold; otherwise, reset the requesting end's request and reset the remote signaling signal of the requesting end to the first remote signaling signal for the next request, and trigger the first analysis unit; wherein the second response information includes data verification information.

[0064] The first generation unit 205 is used to generate test results based on the first remote signaling signal and the second remote signaling signal;

[0065] The second generation unit 206 is used to generate test results based on the (N-1)th remote signaling signal and the Nth remote signaling signal; where N is a timing identification code and N is greater than or equal to 2.

[0066] Furthermore, this application embodiment also provides a remote signaling testing device for a power distribution terminal, the device including a processor and a memory:

[0067] The memory is used to store program code and transmit the program code to the processor;

[0068] The processor is used to execute the steps of the remote signaling test method for the power distribution terminal as described in the above method embodiments, according to the instructions in the program code.

[0069] Furthermore, this application embodiment also provides a computer-readable storage medium for storing program code for executing the methods described in the above method embodiments.

[0070] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working process of the system and unit described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0071] The terms "first," "second," "third," "fourth," etc., used in this application's specification and the aforementioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0072] It should be understood that in this application, "at least one (item)" means one or more, and "more than" means two or more. "And / or" is used to describe the relationship between related objects, indicating that three relationships can exist. For example, "A and / or B" can represent three cases: only A exists, only B exists, and both A and B exist simultaneously, where A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. "At least one (item) of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one (item) of a, b, or c can represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, and c can be single or multiple.

[0073] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection between apparatuses or units through some interfaces, and may be electrical, mechanical, or other forms.

[0074] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0075] Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0076] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes: USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, optical disks, and other media capable of storing program code.

[0077] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A method for testing remote signaling of a power distribution terminal, characterized in that, For the receiving end, the method comprises: S1, receiving the first telesign signal from the requesting end; S2, checking the first telesign signal; if the first telesign signal is composed of telesign data and timing data, executing step S3; otherwise, executing step S6; S3, returning the first response information to the requesting end, wherein the first response information comprises a timing identification code and a sampling request; Receiving the second telesign signal of the requesting end, the second telesign signal is generated based on the first response information; the second telesign signal includes telesign data and timing data; S4, if the timing data in the first telesign signal and the second telesign signal is within a preset time threshold, returning the second response information to the requesting end and executing step S5, otherwise, resetting the request of the requesting end and resetting the telesign signal of the next requesting end to the first telesign signal and returning to step S2; wherein the second response information includes data verification information; S5, generating a test result based on the first telesign signal and the second telesign signal; S6, generating a test result based on the N-1 telesign signal and the N telesign signal; wherein N is a timing identification code, N is greater than or equal to 2; Wherein, the requesting end is used for: sampling the telesign source to obtain telesign data, and generating timing data according to the sampling time of the telesign source, so as to obtain a telesign signal including telesign data and the timing data, and sending the telesign signal to the receiving end.

2. The remote signaling test method of a power distribution terminal according to claim 1, characterized by, The telesign data includes: the type of the telesign source and the signal type generated when the telesign source is sampled.

3. The remote signaling test method of a power distribution terminal according to claim 2, characterized by, The first telesign signal from the requesting end is received, and the telesign source corresponding to the first telesign signal is determined, and the identification code of the telesign source is generated, and the identification code is stored in the timing data to obtain the timing identification code. When the requesting end receives any telesign signal:

4. The remote signaling test method of a power distribution terminal according to claim 1, characterized by, If the telesign signal includes digital signal and analog signal; all previous data of the same telesign source A in the timing data in the telesign signal are eliminated; When the requesting end sends the Nth telesign signal of the telesign source A, the Nth telesign signal is reset to the first telesign signal and then S2 is executed. Comprise:

5. A remote signaling test system for a power distribution terminal, characterized by, The first receiving unit is used for receiving the first telesign signal from the requesting end; The first analysis unit is used for checking the first telesign signal; If the first telesign signal is composed of telesign data and timing data, the second receiving unit is triggered; Otherwise, the second generating unit is triggered; And return the first response information to the requesting end, wherein the first response information comprises a timing identification code and a sampling request; The second receiving unit receives the second telesign signal of the requesting end, the second telesign signal is generated based on the first response information; the second telesign signal includes telesign data and timing data; ​ The second analysis unit is configured to return second response information to the request end and trigger the first generation unit if the time sequence data in the first telesignaling signal and the second telesignaling signal is within a preset time threshold, otherwise, reset the request of the request end, reset the telesignaling signal of the request end as the first telesignaling signal in the next time, and trigger the first analysis unit; wherein the second response information includes data check information; The first generation unit is configured to generate a test result based on the first telesignaling signal and the second telesignaling signal; The second generation unit is configured to generate a test result based on the N-1 telesignaling signal and the N telesignaling signal; wherein N is a time sequence identification code, and N is greater than or equal to 2. The request end is configured to sample a telesignaling source to obtain telesignaling data, generate time sequence data according to the sampling time of the telesignaling source, thereby obtain telesignaling signals including the telesignaling data and the time sequence data, and send the telesignaling signals to the receiving end.

6. The remote supervision testing system of power distribution terminal according to claim 5, characterized in that, The telesignaling data includes the type of the telesignaling source and the signal type generated when the telesignaling source is sampled.

7. The remote supervision testing system of power distribution terminal according to claim 5, characterized in that, The first receiving unit is specifically configured to: receive the first telesignaling signal from the request end, determine the telesignaling source corresponding to the first telesignaling signal, generate an identification code of the telesignaling source, store the identification code into the time sequence data, and obtain the time sequence identification code.

8. A remote signaling test device for a power distribution terminal, characterized by, The device includes a processor and a memory: The memory is configured to store program code and transmit the program code to the processor; The processor is configured to execute the telesignaling test method of the power distribution terminal according to the instructions in the program code.

9. A computer-readable storage medium, characterized in that, The computer readable storage medium is configured to store program code, and the program code is configured to execute the telesignaling test method of the power distribution terminal. The computer readable storage medium is configured to store program code, and the program code is configured to execute the telesignaling test method of the power distribution terminal.

Citation Information

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