Anti-error method for grounding operation based on multi-source data fusion topological positioning of power distribution network

Abstract

The invention discloses a grounding operation anti-error method based on power distribution network multi-source data fusion topological positioning, and the method comprises the steps: employing a multi-source data fusion topological positioning technology on the basis of a power distribution network equipment ledger and a topological relation, obtaining the position and latitude and longitude of equipment related to a power distribution network operation instruction in a power grid topology, and carrying out the grounding operation anti-error. Whether the instruction needs to be subjected to grounding wire mounting or dismounting operation or not is researched and judged, if the instruction needs to be subjected to grounding operation, an incidence relation is established for the instruction and the intelligent grounding wire device through the mobile terminal, and the state and longitude and latitude of a grounding wire are rapidly and accurately acquired based on an intelligent grounding wire device data acquisition module constructed by the system; the method comprises the following steps: analyzing the distance between the equipment and the equipment according to the longitude and latitude of the equipment, studying and judging whether the phenomena such as mistaken hanging, mistaken dismounting, neglected hanging and neglected dismounting exist or not, giving an alarm to the distribution network dispatching when the phenomena such as mistaken hanging, mistaken dismounting, neglected hanging and neglected dismounting exist, and pausing the subsequent operation before the distribution network dispatching confirms the field condition, thereby achieving the purpose of mistaken prevention.

Description

[Technical field]

[0001] The invention relates to a method for preventing errors in grounding operations based on topological positioning of multi-source data fusion of a distribution network. [Background technology]

[0002] During the maintenance and troubleshooting of distribution network equipment, it is often necessary to frequently install or remove grounding wires. Due to the lack of intelligent and automated management and control methods, distribution network dispatching cannot intelligently monitor and control the grounding conditions of on-site equipment, which is prone to mis-hanging, mis-removing, missing hanging, missing removal, etc., and even leads to major safety accidents. Therefore, it is necessary to develop a method to prevent mis-grounding operations, so that distribution network dispatching can quickly and accurately grasp the grounding conditions of on-site equipment and prevent safety accidents.

[0003] Therefore, the present invention is studied and proposed in view of the above problems. [Summary of the invention]

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an anti-error method for grounding operation based on distribution network multi-source data fusion topological positioning. Based on the distribution network equipment ledger and topological relationship, the multi-source data fusion topological positioning technology is used to obtain the position and longitude and latitude of the equipment involved in the distribution network operation instruction in the power grid topology, and judge whether the instruction requires a grounding wire installation or removal operation. If the instruction requires a grounding operation, an association relationship is established between the instruction and an intelligent grounding wire device through a mobile terminal, and based on the intelligent grounding wire device data acquisition module constructed by the system, the state and longitude and latitude of the grounding wire are quickly and accurately collected. Combined with the longitude and latitude of the equipment, the distance between the two is analyzed to judge whether there is a phenomenon of wrong hanging, wrong removal, missed hanging, missed removal, etc. When there is a phenomenon of wrong hanging, wrong removal, missed hanging, missed removal, etc., an alarm is issued to the distribution network dispatcher, and subsequent operations are suspended before the distribution network dispatcher confirms the on-site situation, thereby achieving the purpose of preventing errors.

[0005] The present invention is achieved through the following technical solutions:

[0006] The method for preventing error in grounding operation based on topological positioning of multi-source data fusion of distribution network includes the following steps:

[0007] (1) Obtain a pending and unjudged distribution network operation instruction from the system;

[0008] (2) obtaining information about a device involved in the network distribution operation instruction from the system, wherein the information about the device includes a unique identifier of the device;

[0009] (3) Obtain relevant information about the device from the distribution network equipment ledger using the unique identifier of the device;

[0010] (4) Using the unique identifier of the device, obtain the location of the device in the power grid topology from the distribution network topology data, and further obtain the device information on the adjacent side of the device through the topology data to determine whether there is a matching grounding device;

[0011] (5) Comprehensively consider the operation rules of the distribution network operation instruction, the type of the equipment, and whether the equipment has a matching grounding device, and determine whether the distribution network operation instruction requires the installation or removal of the grounding wire. If the distribution network operation instruction does not require the grounding operation, the distribution network operation instruction is marked as having been determined and does not require the grounding operation, and returns to step 1 to analyze the next distribution network operation instruction. Otherwise, the next step is executed;

[0012] (6) Scan the QR code on the intelligent grounding wire device through a mobile terminal to establish an association between the distribution network operation instruction and the intelligent grounding wire device;

[0013] (7) Collect the grounding wire status, longitude and latitude, and unique device identification uploaded by the intelligent grounding wire device through the intelligent grounding wire device data collection module constructed by the system;

[0014] (8) Based on the unique identification of the intelligent grounding wire device and the association between the distribution network operation instruction and the intelligent grounding wire device, the longitude and latitude of the device and the longitude and latitude of the grounding wire can be obtained, and the distance between the two can be obtained by calculation, and the location of the device and the grounding wire can be marked on the map;

[0015] (9) When the distance between the two does not exceed the threshold set by the system, proceed to the next step. Otherwise, the system will remind the distribution network dispatcher through display or playback that there may be misoperation at the site. The distribution network dispatcher will suspend the subsequent operation of the distribution network operation instruction and actively contact the on-site operation and maintenance personnel to confirm and deal with the problems at the site, so as to achieve the purpose of preventing misoperation;

[0016] (10) Continue to execute subsequent network configuration operation instructions until the execution is completed.

[0017] As described above, in the method for preventing grounding operations based on topological positioning of multi-source data fusion in the distribution network, in the step (3), the relevant information of the equipment includes the type of equipment, longitude and latitude, the line to which it belongs, and the station information to which it belongs.

[0018] As described above, in the method for preventing grounding operations based on topological positioning of multi-source data fusion of distribution network, in the step (3), when the longitude and latitude of the device itself is empty, the longitude and latitude of the station building to which the device belongs are used as the longitude and latitude of the device.

[0019] As described above, in the method for preventing error in grounding operation based on topological positioning of multi-source data fusion in the distribution network, in the step (4), the position of the device in the power grid topology is obtained from the distribution network topology relationship data through the unique identification of the device, and the device information on the left and right sides of the device is further obtained through the topological relationship data to determine whether the device has a matching grounding device.

[0020] As described above, in the method for preventing error in grounding operation based on topological positioning of multi-source data fusion of distribution network, in the step (9), the display or playback method includes voice, pop-up window or text message method.

[0021] As described above, in the method for preventing grounding operations based on topological positioning of multi-source data fusion of distribution network, in the step (9), the erroneous operation phenomenon includes erroneous hanging or erroneous removal or missed hanging or missed removal.

[0022] Compared with the prior art, the present invention has the following advantages:

[0023] 1. The present invention is based on the equipment ledger and topological relationship of the distribution network, and uses multi-source data fusion topological positioning technology to obtain the position and longitude and latitude of the equipment involved in the distribution network operation instruction in the power grid topology, and judge whether the instruction requires the installation or removal of the grounding wire. If the instruction requires the grounding operation, an association relationship is established between the instruction and the intelligent grounding wire device through the mobile terminal, and the intelligent grounding wire device data acquisition module based on the system construction is used to quickly and accurately collect the status and longitude and latitude of the grounding wire. Combined with the longitude and latitude of the equipment, the distance between the two is analyzed to judge whether there is a phenomenon of wrong hanging, wrong removal, missing hanging, missing removal, etc. When there is a phenomenon of wrong hanging, wrong removal, missing hanging, missing removal, etc., an alarm is issued to the distribution network dispatcher, and the subsequent operations are suspended before the distribution network dispatcher confirms the on-site situation, so as to achieve the purpose of preventing errors.

Brief Description of the Drawings

[0024] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0025] Figure 1 It is a schematic diagram of the steps of the present invention. [Specific implementation method]

[0026] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] like Figure 1 As shown, the method for preventing error in grounding operation based on topological positioning of multi-source data fusion of distribution network of the present invention comprises the following steps:

[0028] (1) Obtain a pending and unjudged distribution network operation instruction from the system;

[0029] (2) obtaining information about a device involved in the network distribution operation instruction from the system, wherein the information about the device includes a unique identifier of the device;

[0030] (3) Obtain relevant information about the device from the distribution network equipment ledger using the unique identifier of the device;

[0031] (4) Using the unique identifier of the device, obtain the location of the device in the power grid topology from the distribution network topology data, and further obtain the device information on the adjacent side of the device through the topology data to determine whether there is a matching grounding device;

[0032] (5) Comprehensively consider the operation rules of the distribution network operation instruction, the type of the equipment, and whether the equipment has a matching grounding device, and determine whether the distribution network operation instruction requires the installation or removal of the grounding wire. If the distribution network operation instruction does not require the grounding operation, the distribution network operation instruction is marked as having been determined and does not require the grounding operation, and returns to step 1 to analyze the next distribution network operation instruction. Otherwise, the next step is executed;

[0033] (6) Scan the QR code on the intelligent grounding wire device through a mobile terminal to establish an association between the distribution network operation instruction and the intelligent grounding wire device;

[0034] (7) Collect the grounding wire status, longitude and latitude, and unique device identification uploaded by the intelligent grounding wire device through the intelligent grounding wire device data collection module constructed by the system;

[0035] (8) Based on the unique identification of the intelligent grounding wire device and the association between the distribution network operation instruction and the intelligent grounding wire device, the longitude and latitude of the device and the longitude and latitude of the grounding wire can be obtained, and the distance between the two can be obtained by calculation, and the location of the device and the grounding wire can be marked on the map;

[0036] (9) When the distance between the two does not exceed the threshold set by the system, proceed to the next step. Otherwise, the system will remind the distribution network dispatcher through display or playback that there may be misoperation at the site. The distribution network dispatcher will suspend the subsequent operation of the distribution network operation instruction and actively contact the on-site operation and maintenance personnel to confirm and deal with the problems at the site, so as to achieve the purpose of preventing misoperation;

[0037] (10) Continue to execute subsequent network configuration operation instructions until the execution is completed.

[0038] The present invention is based on the equipment ledger and topological relationship of the distribution network, and uses multi-source data fusion topological positioning technology to obtain the position and longitude and latitude of the equipment involved in the distribution network operation instruction in the power grid topology, and judge whether the instruction needs to perform a grounding wire installation or removal operation. If the instruction needs to perform a grounding operation, an association relationship is established between the instruction and the intelligent grounding wire device through a mobile terminal, and based on the intelligent grounding wire device data acquisition module constructed by the system, the status and longitude and latitude of the grounding wire are quickly and accurately collected. Combined with the longitude and latitude of the equipment, the distance between the two is analyzed to judge whether there is a phenomenon of wrong hanging, wrong removal, missed hanging, missed removal, etc. When there is a phenomenon of wrong hanging, wrong removal, missed hanging, missed removal, etc., an alarm is issued to the distribution network dispatcher, and subsequent operations are suspended before the distribution network dispatcher confirms the on-site situation, thereby achieving the purpose of preventing errors.

[0039] Furthermore, in the step (3), the relevant information of the device includes the type of the device, longitude and latitude, the line to which it belongs, the station building information to which it belongs, etc.

[0040] Furthermore, in the step (3), when the longitude and latitude of the device itself is empty, the longitude and latitude of the station building to which the device belongs are used as the longitude and latitude of the device.

[0041] Furthermore, in step (4), the position of the device in the power grid topology is obtained from the distribution network topology relationship data through the unique identification of the device, and the device information on the left and right sides of the device is further obtained through the topology relationship data to determine whether the device has a matching grounding device.

[0042] Furthermore, in the step (9), the display or playback method includes voice, pop-up window, text message, etc.

[0043] Furthermore, in the step (9), the misoperation phenomenon includes mishanging or misremoving or missing hanging or missing removing.

[0044] Example:

[0045] Take the distribution network operation instruction "Change the 110kV Guanghai substation 10kV Guanghai A line 6868 Guanghai A line #01 tower I section 1T1 switch line side from cold standby to maintenance" as an example to illustrate.

[0046] (1) Assume that we obtain from the system the distribution network operation instruction "Change the line side of the 110kV Guanghai substation 10kV Guanghai A line 6868 Guanghai A line #01 tower I section 1T1 switch from cold standby to maintenance" (hereinafter referred to as the instruction).

[0047] (2) We obtain information (including the unique identifier of the device) of the device involved in the instruction (hereinafter referred to as the device) from the system.

[0048] Description: The information of this command is as follows.

[0049] Instruction unique identifier: 44126345.

[0050] Instruction content: Switch the 110kV Guanghai substation 10kV Guanghai A line 6868 Guanghai A line #01 tower I section 1T1 switch line side from cold standby to maintenance.

[0051] Unique identifier of the device involved in the instruction: SWITCH_4000000000000001.

[0052] Operation rules of the instruction: cold standby to maintenance.

[0053] (3) Using the unique identifier of the device, obtain the type, longitude and latitude of the device, the line to which it belongs, and the station to which it belongs from the distribution network equipment ledger. If the longitude and latitude of the device itself is empty, the longitude and latitude of the station to which the device belongs is used as the longitude and latitude of the device. The distribution network equipment ledger contains at least the following:

[0054] Note: The device itself has longitude and latitude and can be used directly.

[0055] Unique identifier of the device: SWITCH_4000000000000001.

[0056] Type of equipment: Pole mounted circuit breaker.

[0057] The latitude and longitude of the device: 116.7777777,23.4444444.

[0058] The line to which the equipment belongs: 10kV Guanghai A Line 6868.

[0059] Station building to which the equipment belongs: empty.

[0060] The longitude and latitude of the station building to which the equipment belongs: empty.

[0061] (4) The location of the device in the power grid topology is obtained from the distribution network topology data through the unique identification of the device, and the device information on the left and right sides of the device is further obtained through the topology data to determine whether there is a matching grounding device.

[0062] Note: The first step is to obtain the location of the device in the power grid topology through the unique identifier of the device. The location has two connection points.

[0063] Unique identifier of the device: SWITCH_4000000000000001.

[0064] Connection point 1 of the device in the power grid topology: NODE_400000000004600.

[0065] Connection point 2 of the device in the power grid topology: NODE_400000000004700.

[0066] Note: In the second step, get the devices associated with the connection point NODE_400000000004600. In addition to the device SWITCH_400000000000001 itself, the other associated device is SWITCH_400000000000002.

[0067] Connection point: NODE_400000000004600.

[0068] Unique identifier of device 1 associated with connection point NODE_400000000004600: SWITCH_400000000000001.

[0069] The unique identifier of device 2 associated with connection point NODE_400000000004600 is SWITCH_400000000000002.

[0070] Note: In the third step, obtain the ledger information of the associated device SWITCH_4000000000000002. The associated device SWITCH_400000000000002 is an isolating switch on the distribution column, not a grounding device. This type of equipment has no matching grounding device and is no longer traced through the topological relationship.

[0071] Unique identifier of the device: SWITCH_4000000000000002.

[0072] Type of equipment: Disconnector switch on distribution column.

[0073] Note: In the fourth step, obtain the devices associated with the connection point NODE_400000000004700. In addition to the device SWITCH_400000000000001 itself, the other associated device is SWITCH_400000000000003.

[0074] Connection point: NODE_400000000004700.

[0075] Unique identifier of device 1 associated with connection point NODE_400000000004700: SWITCH_400000000000003.

[0076] The unique identifier of device 2 associated with connection point NODE_400000000004700 is SWITCH_400000000000001.

[0077] Note: In the fifth step, obtain the ledger information of the associated device SWITCH_4000000000000003. The associated device SWITCH_400000000000003 is an isolating switch on the distribution column, not a grounding device. This type of equipment has no matching grounding device and is no longer traced through the topological relationship.

[0078] Unique identifier of the device: SWITCH_4000000000000003.

[0079] Type of equipment: Disconnector switch on distribution column.

[0080] (5) Based on the operation rules of the instruction, the type of equipment, whether the equipment has a matching grounding device and other information, determine whether the instruction requires the installation or removal of the grounding wire. If the instruction does not require a grounding operation, mark the instruction as determined and does not require a grounding operation, and return to step 1 to analyze the next distribution network operation instruction. Otherwise, execute the next step.

[0081] Note: The operation rule of this instruction is to switch from cold standby to maintenance. There is a possibility of installing a grounding wire. Continue to analyze.

[0082] Operation rules of the instruction: cold standby to maintenance.

[0083] Note: The type of equipment is a circuit breaker on a distribution pole. There is a possibility of using a grounding wire. Continue the analysis.

[0084] Unique identifier of the device: SWITCH_4000000000000001.

[0085] Type of equipment: Pole mounted circuit breaker.

[0086] Note: There are isolating switches on the distribution poles on both sides of the device, and there is no matching grounding device. It is finally determined that the instruction requires the installation of the grounding wire, and the analysis is completed.

[0087] Unique identifier of the device: SWITCH_4000000000000002.

[0088] Type of equipment: Disconnector switch on distribution column.

[0089] Unique identifier of the device: SWITCH_4000000000000003.

[0090] Type of equipment: Disconnector switch on distribution column.

[0091] (6) Scan the QR code on the smart grounding wire device (corresponding to the unique device identifier in the information uploaded by the device) through a mobile terminal to establish an association between the instruction and the smart grounding wire device.

[0092] Note: The established association relationship includes the unique identifier of the instruction and the unique identifier of the intelligent grounding wire device.

[0093] Instruction unique identifier: 44126345.

[0094] Unique identification of the intelligent grounding wire device: C_0000001.

[0095] (7) The data collection module of the intelligent grounding wire device constructed in the system is used to collect the grounding wire status, longitude and latitude, and unique device identification uploaded by the intelligent grounding wire device.

[0096] Note: The data uploaded by different intelligent grounding wire devices will eventually be collected in the intelligent grounding wire device data acquisition module.

[0097] Note: The data uploaded by the intelligent grounding wire device C_0000001 is as follows.

[0098] Unique identification of the intelligent grounding wire device: C_0000001.

[0099] Ground wire status: connected.

[0100] Grounding line longitude and latitude: 116.7776888, 23.4443433.

[0101] Note: The data uploaded by the intelligent grounding wire device C_0000002 is as follows.

[0102] Unique identification of the intelligent grounding wire device: C_0000002.

[0103] Ground wire status: All are not connected.

[0104] Grounding line longitude and latitude: 116.1111111, 23.2222222.

[0105] Note: The data uploaded by the intelligent grounding wire device C_0000003 is as follows.

[0106] Unique identification of the intelligent grounding wire device: C_0000003.

[0107] Ground wire status: partially connected.

[0108] Grounding line latitude and longitude: 116.3333333, 23.4444444.

[0109] Note: The data uploaded by the intelligent grounding wire device C_0000004 is as follows.

[0110] Unique identification of the intelligent grounding wire device: C_0000004.

[0111] Ground wire status: All are not connected.

[0112] Grounding line longitude and latitude: 116.2222222,23.5555555.

[0113] (8) Based on the unique identification of the intelligent grounding wire device and the association between the instruction and the intelligent grounding wire device, the longitude and latitude of the device and the longitude and latitude of the grounding wire can be obtained. The distance between the two can be calculated and the location of the device and the grounding wire can be marked on the map.

[0114] Note: After integrating the distribution network operation instructions, the ledger of the equipment involved in the distribution network operation instructions, the data uploaded by the intelligent grounding wire device, the relationship between the distribution network operation instructions and the intelligent grounding wire device, etc., the following information can be obtained:

[0115] Instruction unique identifier: 44126345.

[0116] Unique identification of the intelligent grounding wire device: C_0000001.

[0117] Unique identifier of the device: SWITCH_4000000000000001.

[0118] The latitude and longitude of the device: 116.7777777,23.4444444.

[0119] Ground wire status: connected.

[0120] Grounding line longitude and latitude: 116.7776888, 23.4443433.

[0121] Note: R in the formula is the radius of the earth, which is a fixed value of 6378.137 km.

[0122] Note: The The value of the device's longitude 116.7777777 converted to radians.

[0123] Note: The It is the value after the longitude of the ground line 116.7776888 is converted into radians.

[0124] Note: The θ1 in the formula is the value of the device's latitude 23.4444444 converted into radians.

[0125] Note: The θ2 in the formula is the value after the latitude of the grounding line 23.4443433 is converted into radians.

[0126] Description: Through the distance calculation formula It can be calculated that the distance S between the equipment and the grounding wire is approximately 14.4 meters.

[0127] (9) When the distance between the two does not exceed the threshold set by the system, proceed to the next step. Otherwise, the system will remind the distribution network dispatcher through voice, pop-up windows, text messages, etc. that there may be wrong hanging, wrong removal, missed hanging, missed removal, etc. at the site. The distribution network dispatcher will suspend the subsequent operation of the command and actively contact the on-site operation and maintenance personnel to confirm and deal with the problems at the site, so as to achieve the purpose of preventing operation errors.

[0128] Note: The distance between the equipment and the grounding wire is about 14.4 meters, which exceeds the threshold set by the system (10 meters). The system determines that there may be a misconnection on site and notifies the distribution network dispatcher, who then confirms and handles the issue with the on-site operation and maintenance personnel.

[0129] (10) Continue to execute subsequent network configuration operation instructions until the execution is completed.

Claims

1. A method for preventing grounding errors based on topological positioning of multi-source data fusion in distribution network, characterized in that The steps include: (1) Obtain a pending and unjudged distribution network operation instruction from the system; (2) obtaining information about a device involved in the network distribution operation instruction from the system, wherein the information about the device includes a unique identifier of the device; (3) Obtain relevant information about the device from the distribution network equipment ledger using the unique identifier of the device; (4) Using the unique identifier of the device, obtain the location of the device in the power grid topology from the distribution network topology data, and further obtain the device information on the adjacent side of the device through the topology data to determine whether there is a matching grounding device; (5) Comprehensively consider the operation rules of the distribution network operation instruction, the type of the equipment, and whether the equipment has a matching grounding device, and determine whether the distribution network operation instruction requires the installation or removal of the grounding wire. If the distribution network operation instruction does not require the grounding operation, the distribution network operation instruction is marked as having been determined and does not require the grounding operation, and returns to step 1 to analyze the next distribution network operation instruction. Otherwise, the next step is executed; (6) Scan the QR code on the intelligent grounding wire device through a mobile terminal to establish an association between the distribution network operation instruction and the intelligent grounding wire device; (7) Collect the grounding wire status, longitude and latitude, and unique device identification uploaded by the intelligent grounding wire device through the intelligent grounding wire device data collection module constructed by the system; (8) Based on the unique identification of the intelligent grounding wire device and the association between the distribution network operation instruction and the intelligent grounding wire device, the longitude and latitude of the device and the longitude and latitude of the grounding wire can be obtained, and the distance between the two can be obtained by calculation, and the location of the device and the grounding wire can be marked on the map; (9) When the distance between the two does not exceed the threshold set by the system, proceed to the next step. Otherwise, the system will remind the distribution network dispatcher through display or playback that there may be misoperation at the site. The distribution network dispatcher will suspend the subsequent operation of the distribution network operation instruction and actively contact the on-site operation and maintenance personnel to confirm and deal with the problems at the site, so as to achieve the purpose of preventing misoperation; (10) Continue to execute subsequent network configuration operation instructions until the execution is completed.

2. According to claim 1, the method for preventing grounding operation based on topological positioning of multi-source data fusion of distribution network is characterized in that In the step (3), the relevant information of the device includes the type of the device, longitude and latitude, the line to which it belongs, and the station information to which it belongs.

3. According to claim 2, the method for preventing grounding operation based on topological positioning of multi-source data fusion of distribution network is characterized in that In the step (3), when the longitude and latitude of the device itself is empty, the longitude and latitude of the station building to which the device belongs are used as the longitude and latitude of the device.

4. The method for preventing error in grounding operation based on topological positioning of multi-source data fusion of distribution network according to claim 1 is characterized in that In the step (4), the position of the device in the power grid topology is obtained from the distribution network topology relationship data through the unique identification of the device, and the device information on the left and right sides of the device is further obtained through the topology relationship data to determine whether the device has a matching grounding device.

5. The method for preventing error in grounding operation based on topological positioning of multi-source data fusion of distribution network according to claim 1 is characterized in that In the step (9), the display or playback method includes voice, pop-up window or text message.

6. The method for preventing error in grounding operation based on topological positioning of multi-source data fusion of distribution network according to claim 1 is characterized in that In the step (9), the misoperation phenomenon includes mishanging or misremoving or missing hanging or missing removing.

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