CN106814286B - Distribution network fault location system, method and server based on multiple fault acquisition - Google Patents

Abstract

The invention discloses a distribution network fault location system, method and server based on multiple fault collection. The system includes a distribution network fault location server, which is respectively connected with the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system; a distribution network fault location server, which is used to connect the distribution automation system, The 95598 system, the on-site line inspection monitoring device, and the power consumption information collection system are assigned a unique ID number; then, according to the attributes of each fault location solution in the fault location solution set, each ID number is matched with one of the fault location solution sets. Bind the fault location scheme; receive the fault information transmitted by the power distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with the corresponding ID numbers for classified storage; The fault solution performs fault location on the information with the same ID number and outputs the location result.

Description

Distribution network fault location system, method and server based on multiple fault acquisition

technical field

The invention belongs to the field of electric power faults, and in particular relates to a distribution network fault location system, method and server based on multiple fault collection.

Background technique

With the development of the economy, the rapid growth of power demand, and the continuous expansion of the grid scale, the society has higher and higher requirements for the power supply reliability, power quality, and service level of the grid. The speed of emergency repair of distribution network faults has become an important link affecting the reliability of power supply.

The 10kV fault discovered by distribution automation has caused a wide range of power outages and has a great social impact. How to quickly grasp the range of fault impact and users, and promptly and proactively notify users of power outage information and emergency repair status can greatly reduce the number of repair requests by users and improve customer service. Level. Most of the fault information reported by users is only the user's address information, which cannot meet the requirements of on-site repair personnel to quickly and accurately determine the faulty equipment and location. Faults discovered by the power consumption information collection system and faults recorded by on-site line patrol personnel, how to quickly locate the fault location have also become the reasons that affect the progress of emergency repairs. Therefore, in order to improve the speed of fault repair, accurate judgment and analysis of faults has become an urgent need for distribution network repair work.

With the construction of smart grid, there are more and more grid monitoring equipment, information communication methods are more and more convenient, and more and more power data are collected. Integrating data from various systems for analysis can conduct accurate judgment and analysis of faults and improve Repair efficiency.

Contents of the invention

In order to solve the problem in the prior art that fault information is single and fault location accuracy is low, resulting in slow fault repair speed, the present invention provides a distribution network fault location system based on multiple fault collection.

A distribution network fault location system based on multiple fault collection of the present invention includes a distribution network fault location server, which is respectively connected to a distribution automation system, a 95598 system, an on-site line inspection monitoring device, and a power consumption information collection system;

The distribution automation system is used to push distribution network fault information to the distribution network fault location server; the 95598 system is used to push user repair information to the distribution network fault location server; the on-site line inspection monitoring device is used to The fault information detected by on-site line inspection is transmitted to the fault location server of the distribution network; the power consumption information collection system is used to send the collected power outage information to the fault location server of the distribution network; the fault location server of the distribution network A set of locating fault schemes is also stored; the distribution network fault locating server is used for:

Assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device, and power consumption information collection system; A matching fault location solution in the fault location solution set is bound;

Receive the fault information transmitted by the power distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with the corresponding ID numbers for classified storage;

Use the fault location solution bound to the ID number to locate the faults of the information with the same ID number and output the location results.

The distribution network fault location system based on multiple fault collection of the present invention integrates the fault collection systems of the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and receives accurate and reliable information covering the distribution network within the jurisdiction. , Comprehensive and timely status information, and then use the corresponding positioning fault scheme stored in the distribution network fault location server to carry out classified fault judgment, which can accurately locate distribution network faults, and provide emergency repairs for distribution networks, distribution network construction, and grid transformation provide a basis for decision-making.

Further, the system also includes a GIS system, the GIS system is connected to the distribution network fault location server; the GIS system is used to receive the location results output by the distribution network fault location server and display them on the GIS map.

The present invention also integrates the GIS system into the distribution network fault location system based on multiple fault collection, and finally sends the location results output by the distribution network fault location server to the GIS system and visually displays them on the GIS map.

The second object of the present invention is to provide a positioning method for a distribution network fault location system based on multiple fault collection.

The positioning method of the distribution network fault location system based on multiple fault acquisition includes:

Step 1: The distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system respectively collect distribution network fault information, user repair information, fault information detected by on-site line inspection, and faults collected by the power consumption information collection system The information is pushed to the distribution network fault location server;

Step 2: The distribution network fault location server receives and processes the fault information transmitted by the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system. The specific processing process is as follows:

Assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device, and power consumption information collection system; A matching fault location solution in the fault location solution set is bound;

Receive the fault information transmitted by the power distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with the corresponding ID numbers for classified storage;

Use the fault location solution bound to the ID number to locate the faults of the information with the same ID number and output the location results.

The positioning method of the distribution network fault location system based on multiple fault collection of the present invention receives the fault information uploaded by the fault collection systems of the distribution automation system, the 95598 system, the on-site line inspection monitoring device, and the power consumption information collection system, so that it can Receive accurate, reliable, comprehensive and timely status information covering the distribution network within the jurisdiction, and then use the corresponding positioning fault solution stored in the distribution network fault location server to perform classified fault judgments, which can accurately locate distribution network faults and provide It provides a reference for decision-making on emergency repairs, distribution network construction, and grid transformation.

Further, in the distribution network fault location server, the fault location scheme matching the ID number assigned to the distribution automation system is:

Step 1.1: Judging whether the received distribution network fault information sent by the distribution automation system is a temporary fault or a permanent fault; if it is a temporary fault, the fault location ends; otherwise, go to step 1.2;

Step 1.2: According to the topological relationship of the faulty equipment line, analyze the information of the 10kV power outage equipment affected by the fault, and import it into the power outage impact table of the distribution automation system; further analyze the metering box of the power outage according to the topological relationship of the equipment, and according to the user information maintained by the marketing system, put The user information affected by the power outage is imported into the user table affected by the power outage;

Step 1.3: According to the 10kV outage equipment analyzed in step 1.2, analyze the distribution transformer that affects the power outage according to the topological connection of the power grid. If there is no power outage, the fault location is completed; if there is a power outage transformer, continue to step 1.4;

Step 1.4: According to the network topology connection, continue to analyze down to the user meter box, import the analyzed outage equipment into the outage impact table, and enter step 1.5;

Step 1.5: Associate the outage meter box analyzed in step 1.4 according to the equipment information in the user's repair information. If it is associated, a record affecting the 95598 work order will be generated; if it is not associated, no record will be generated, and the fault location is completed.

The effect is: this method can accurately locate the faulty equipment and the power outage area and users caused by the fault, facilitate on-site repair personnel to understand the fault details and formulate fault solutions, select appropriate repair equipment and materials, and reduce faults caused by faults. Time wasted due to ignorance of the details leading to incorrect solution formulation or incorrect carrying of emergency repair equipment. Actively send power outage information notifications to the analyzed power outage users and inform them of fault handling, reducing the number of user fault repairs and improving user satisfaction.

Further, in the distribution network fault location server, the fault location scheme that matches the system ID number assigned to 95598 is:

Step 2.1: According to the account number in the user's repair information, query the marketing data and judge the user's electricity bill information. If there is arrears, draw a fault conclusion that the user is in arrears, and the fault judgment is over; if there is no arrears information, go to step 2.2;

Step 2.2: Call and measure the information of the user’s electric energy meter. If the measured data has voltage and no current, it can be concluded that the user’s electric meter is abnormal. If there is voltage and current, it can be concluded that the user’s electric energy meter is normal; if there is no voltage and current, go to step 2.3;

Step 2.3: Call and measure the information of the user's distribution transformer, if there is voltage and current, draw the conclusion of abnormality of the household meter, and draw the conclusion of abnormality of the low-voltage line if the voltage and current lack of phase; if there is no voltage and current, go to step 2.4;

Step 2.4: Compare the line power outage information accessed through the distribution network fault location system to whether the line where the user equipment is located is associated with the known line power outage data. If the connection is not found, draw the conclusion that the upstream transformer of the line where the user is located is abnormal; If it is associated, the specific power outage information that affects the user's power outage can be obtained: planned, temporary, and failure and end.

Its effect is: the administrative address in the user repair information is converted into the power equipment information in the power distribution grid, and through the query of marketing management information, it is judged whether the user's power outage is in arrears, and the arrears are directly fed back to the user to avoid blindness Waste of emergency repair resources caused by labor dispatch. If it is not a case of arrears, analyze the cause of the fault and locate the fault point to facilitate on-site repair personnel to understand the details of the fault, formulate a suitable repair plan, quickly complete the fault treatment, reduce power outage time, and improve user satisfaction.

Further, in the distribution network fault location server, the fault location scheme that matches the ID number assigned to the on-site line inspection monitoring device is:

Step 3.1: Preliminarily locate the fault range based on the received fault information sent by the on-site line inspection monitoring device, such as locating to the low-voltage metering box, transfer to the fault judgment process of the user's repair report and output the judgment conclusion; if the fault point is located on the medium-voltage line, Transfer to medium-voltage fault location judgment and output the judgment conclusion; if the fault point is located on the low-voltage line, enter step 3.2;

Step 3.2: According to the low-voltage line attribute of the fault location, measure the real-time voltage and current of the transformer on the line. If there are three-phase voltage and current, it is judged that the low-voltage line is abnormal; if there is a phase loss, it is judged that the low-voltage line is abnormal; Step 3.3;

Step 3.3: Correlate with the power outage line through the known power outage information that has been connected in the system. If the connection fails, it is judged that the transformer is abnormal; if it is connected, it is judged as a planned or temporary or fault power outage, and the end

The effect is: accurately locate the faulty equipment, facilitate the formulation of emergency repair plan and the dispatch of emergency repair personnel and materials. Further through historical data analysis, the lines or equipment with three or more power outages are derived to provide a basis for distribution network transformation.

Further, in the distribution network fault location server, the fault location scheme that matches the ID number assigned to the power consumption information collection system is:

Step 4.1: Associate each collection terminal device in the uploaded electrical information collection system with the power-off device, and query the type of device from the device library. If it is a user electric energy meter device, the fault location is completed; if it is a distribution transformer device, go to step 4.2 ;

Step 4.2: Call and measure the real-time voltage and current data of the transformer. If there is current and voltage, it is judged as an invalid fault if the three phases are complete; if there is no voltage and current, go to step 4.3;

Step 4.3: Step 4.2 judges the transformer with no current and voltage, and derives the line according to the line topology connection, and correlates with the line through the known power outage information that has been connected in the fault location system of the distribution network. The transformer is abnormal; if it is connected, it is judged to be a planned or temporary or faulty power outage, and it ends.

The effect is: accurately locate the faulty equipment, facilitate the formulation of emergency repair plan and the dispatch of emergency repair personnel and materials. Further through historical data analysis, the lines or equipment with three or more power outages are derived to provide a basis for distribution network transformation.

Further, the method further includes: the distribution network fault location server sends the output location result to the GIS system, and displays it on the GIS map.

The invention sends the positioning result output by the distribution network fault positioning server to the GIS system and visually displays it on the GIS map.

The third object of the present invention is to provide another distribution network fault location method based on multiple fault acquisition.

The distribution network fault location method based on multiple fault collection is completed in a distribution network fault location server, and a set of location fault solutions is stored in the distribution network fault location server; the method specifically includes:

Step (1): Assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device, and power consumption information collection system; The ID number is bound to a matching fault location solution in the set of fault location solutions;

Step (2): Receive the fault information transmitted by the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with corresponding ID numbers for classified storage;

Step (3): Use the fault location scheme bound to the ID number to perform fault location on the information with the same ID number and output the location results.

The present invention can receive accurate, reliable, comprehensive and timely information covering the distribution network within the jurisdiction by receiving the fault information uploaded by the fault collection systems of the distribution automation system, the 95598 system, the on-site line inspection monitoring device and the power consumption information collection system. Status information, and then use the corresponding positioning fault scheme stored in the distribution network fault location server to carry out classified fault judgment, which can accurately locate distribution network faults, and provide reference for decision-making of distribution network emergency repair, distribution network construction, and grid transformation.

The fourth object of the present invention is to provide another distribution network fault location server.

The distribution network fault location server includes:

Fault location solution binding module, which is used to assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system; attribute, binding each ID number to a matching fault location solution in the set of fault location solutions;

The information classification storage module is used to receive the fault information transmitted by the distribution automation system, the 95598 system, the on-site line inspection monitoring device and the power consumption information collection system, and associate the corresponding ID numbers for classification storage;

The fault location judgment module is used to respectively perform fault location on information with the same ID number by using the location fault scheme bound to the ID number and output the location result.

Compared with prior art, the beneficial effect of the present invention is:

(1) The present invention integrates the failure collection systems of distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system to receive accurate, reliable, comprehensive and timely status information covering the distribution network within the jurisdiction, and Then use the corresponding positioning fault scheme stored in the distribution network fault location server to carry out classified fault judgment, which can accurately locate distribution network faults, and provide reference for decision-making of distribution network emergency repair, distribution network construction, and grid transformation.

(2) The present invention also integrates the GIS system into the distribution network fault location system based on multiple fault collection, and finally sends the location results output by the distribution network fault location server to the GIS system and visually displays them on the GIS map .

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application, and do not constitute improper limitations to the present application.

FIG. 1 is a schematic structural diagram of a distribution network fault location system based on multiple fault acquisition according to the present invention.

Fig. 2 is a flow chart of a location method of a distribution network fault location system based on multivariate fault collection.

Fig. 3 is a flowchart of a fault location scheme matching the ID number assigned to the distribution automation system.

Fig. 4 is a flow chart of another distribution network fault location method based on multiple fault acquisition according to the present invention.

Fig. 5 is a schematic structural diagram of a distribution network fault location server.

Detailed ways

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

FIG. 1 is a schematic structural diagram of a distribution network fault location system based on multiple fault acquisition according to the present invention.

As shown in Figure 1, a distribution network fault location system based on multiple fault collection includes a distribution network fault location server, which is respectively connected with the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system connected;

The distribution automation system is used to push distribution network fault information to the distribution network fault location server; the 95598 system is used to push user repair information to the distribution network fault location server; the on-site line inspection monitoring device is used to The fault information detected by on-site line inspection is transmitted to the fault location server of the distribution network; the power consumption information collection system is used to send the collected power outage information to the fault location server of the distribution network; the fault location server of the distribution network A set of locating fault schemes is also stored; the distribution network fault locating server is used for:

Assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device, and power consumption information collection system; A matching fault location solution in the fault location solution set is bound;

Receive the fault information transmitted by the power distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with the corresponding ID numbers for classified storage;

Use the fault location solution bound to the ID number to locate the faults of the information with the same ID number and output the location results.

Distribution automation system: use modern electronic technology, communication technology, computer and network technology to integrate real-time information, offline information, user information, grid structure parameters, and geographical information of the distribution network to form a complete automatic management system to realize power distribution. Monitoring, protection, control and distribution management of the system in normal operation and accident situations.

95598 system: Power system customer hotline service business management system, covering customer reports, customer suggestions, customer complaints, repairs, etc.

On-site line inspection monitoring device: The terminal equipment held by the line inspection personnel can record the fault information found and transmit it to the distribution network emergency repair command system through a dedicated network channel. The structure of the on-site line inspection monitoring device is the prior art, including a current detection device and a current detection device.

Power consumption information collection system: a system for collecting, processing and real-time monitoring of electricity consumption information of power users, realizing automatic collection of power consumption information, measurement abnormality monitoring, power quality monitoring, power consumption analysis and management, and related information release and distribution Smart energy monitoring, information interaction of smart electrical equipment and other functions.

The ID number can be represented by a field combining numbers and letters.

The distribution network fault location system based on multiple fault collection in this embodiment integrates the fault collection systems of distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and receives accurate, Reliable, comprehensive and timely state information, and then use the corresponding positioning fault scheme stored in the distribution network fault location server to carry out classified fault judgment, which can accurately locate distribution network faults, and provide emergency repairs for distribution networks, distribution network construction, and grid structures. Provide a reference for the decision-making of the transformation.

In another embodiment, the distribution network fault location system based on multivariate fault collection also includes a GIS system, the GIS system is connected to the distribution network fault location server; the GIS system is used to receive the distribution network fault location server output The positioning results are displayed on the GIS map.

Among them, the GIS system is a power GIS system, which is a comprehensive information system that connects power equipment, substations, power transmission and distribution networks, power users, power loads, production and management and other core businesses of power companies to form power informationized production management. It provides power equipment and facility information, power grid operation status information, power technology information, production management information and natural environment information such as mountains, rivers, terrain, towns, roads, streets, buildings, and meteorology, hydrology, geology, and resources. system. Through GIS, relevant data, pictures, images, maps, etc. can be queried.

The present invention also integrates the GIS system into the distribution network fault location system based on multiple fault collection, and finally sends the location results output by the distribution network fault location server to the GIS system and visually displays them on the GIS map.

Fig. 2 is a flow chart of a location method of a distribution network fault location system based on multivariate fault collection.

The positioning method of the distribution network fault location system based on multiple fault acquisition as shown in the figure includes:

Step 1: Distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system respectively push distribution network fault information, user repair information, on-site line inspection detection fault information and collected power outage information to power distribution Network fault location server;

Step 2: The distribution network fault location server receives and processes the fault information transmitted by the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system. The specific processing process is as follows:

Assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device, and power consumption information collection system; A matching fault location solution in the fault location solution set is bound;

Receive the fault information transmitted by the power distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with the corresponding ID numbers for classified storage;

Use the fault location solution bound to the ID number to locate the faults of the information with the same ID number and output the location results.

Specifically, in the distribution network fault location server, the fault location scheme that matches the ID number assigned to the distribution automation system is, as shown in Figure 3:

Step 1.1: Judging whether the received distribution network fault information assigned to the distribution automation system is a transient fault or a permanent fault; if it is a transient fault, the fault location ends; otherwise, go to step 1.2;

Among them, the fault information pushed by the distribution automation system contains the fault type code, and it only needs to judge which type of fault the code corresponds to.

Step 1.2: According to the topological relationship of the faulty equipment line, analyze the information of the 10kV power outage equipment affected by the fault, and import it into the power outage impact table of the distribution automation system; further analyze the metering box of the power outage according to the topological relationship of the equipment, and according to the user information maintained by the marketing system, put The user information affected by the power outage is imported into the user table affected by the power outage;

Step 1.3: According to the 10kV outage equipment analyzed in step 1.2, analyze the distribution transformer that affects the power outage according to the topological connection of the power grid. If there is no power outage, the fault location is completed; if there is a power outage transformer, continue to step 1.4;

Step 1.4: According to the network topology connection, continue to analyze down to the user meter box, import the analyzed outage equipment into the outage impact table, and enter step 1.5;

Step 1.5: Associate the outage meter box analyzed in step 1.4 according to the equipment information in the user's repair information. If it is associated, a record affecting the 95598 work order will be generated; if it is not associated, no record will be generated, and the fault location is completed.

The effect is: this method can accurately locate the faulty equipment and the power outage area and users caused by the fault, facilitate on-site repair personnel to understand the fault details and formulate fault solutions, select appropriate repair equipment and materials, and reduce faults caused by faults. Time wasted due to ignorance of the details leading to incorrect solution formulation or incorrect carrying of emergency repair equipment. Actively send power outage information notifications to the analyzed power outage users and inform them of fault handling, reducing the number of user fault repairs and improving user satisfaction.

Further, in the distribution network fault location server, the fault location scheme that matches the system ID number assigned to 95598 is:

Step 2.1: According to the account number in the user's repair information, query the marketing data and judge the user's electricity bill information. If there is arrears, draw a fault conclusion that the user is in arrears, and the fault judgment is over; if there is no arrears information, go to step 2.2;

Step 2.2: Call and measure the information of the user’s electric energy meter. If the measured data has voltage and no current, it can be concluded that the user’s electric meter is abnormal. If there is voltage and current, it can be concluded that the user’s electric energy meter is normal; if there is no voltage and current, go to step 2.3;

Step 2.3: Call and measure the information of the user's distribution transformer, if there is voltage and current, draw the conclusion of abnormality of the household meter, and draw the conclusion of abnormality of the low-voltage line if the voltage and current lack of phase; if there is no voltage and current, go to step 2.4;

Step 2.4: Compare the line power outage information accessed through the distribution network fault location system to whether the line where the user equipment is located is associated with the known line power outage data. If the connection is not found, draw the conclusion that the upstream transformer of the line where the user is located is abnormal; If it is associated, the specific power outage information that affects the user's power outage can be obtained: planned, temporary, and failure and end.

Its effect is: the administrative address in the user repair information is converted into the power equipment information in the power distribution grid, and through the query of marketing management information, it is judged whether the user's power outage is in arrears, and the arrears are directly fed back to the user to avoid blindness Waste of emergency repair resources caused by labor dispatch. If it is not a case of arrears, analyze the cause of the fault and locate the fault point to facilitate on-site repair personnel to understand the details of the fault, formulate a suitable repair plan, quickly complete the fault treatment, reduce power outage time, and improve user satisfaction.

Further, in the distribution network fault location server, the fault location scheme that matches the ID number assigned to the on-site line inspection monitoring device is:

Step 3.1: Preliminarily locate the fault range based on the received fault information sent by the on-site line inspection monitoring device, such as locating to the low-voltage metering box, transfer to the fault judgment process of the user's repair report and output the judgment conclusion; if the fault point is located on the medium-voltage line, Transfer to medium-voltage fault location judgment and output the judgment conclusion; if the fault point is located on the low-voltage line, enter step 3.2;

Step 3.2: According to the low-voltage line attribute of the fault location, measure the real-time voltage and current of the transformer on the line. If there are three-phase voltage and current, it is judged that the low-voltage line is abnormal; if there is a phase loss, it is judged that the low-voltage line is abnormal; Step 3.3;

Step 3.3: Correlate with the power outage line through the known power outage information that has been connected in the system. If the connection fails, it is judged that the transformer is abnormal; if it is connected, it is judged as a planned or temporary or fault power outage, and the end

The effect is: accurately locate the faulty equipment, facilitate the formulation of emergency repair plan and the dispatch of emergency repair personnel and materials. Further through historical data analysis, the lines or equipment with three or more power outages are derived to provide a basis for distribution network transformation.

Further, in the distribution network fault location server, the fault location scheme that matches the ID number assigned to the power consumption information collection system is:

Step 4.1: Associate each collection terminal device in the uploaded electrical information collection system with the power-off device, and query the type of device from the device library. If it is a user electric energy meter device, the fault location is completed; if it is a distribution transformer device, go to step 4.2 ;

Step 4.2: Call and measure the real-time voltage and current data of the transformer. If there is current and voltage, it is judged as an invalid fault if the three phases are complete; if there is no voltage and current, go to step 4.3;

Step 4.3: Step 4.2 judges the transformer with no current and voltage, and derives the line according to the line topology connection, and correlates with the line through the known power outage information that has been connected in the fault location system of the distribution network. The transformer is abnormal; if it is connected, it is judged to be a planned or temporary or faulty power outage, and it ends.

The effect is: accurately locate the faulty equipment, facilitate the formulation of emergency repair plan and the dispatch of emergency repair personnel and materials. Further through historical data analysis, the lines or equipment with three or more power outages are derived to provide a basis for distribution network transformation.

The method also includes: the distribution network fault location server sends the output location result to the GIS system, and displays it on the GIS map.

The invention sends the positioning result output by the distribution network fault positioning server to the GIS system and visually displays it on the GIS map.

The positioning method of the distribution network fault location system based on multiple fault collection of the present invention receives the fault information uploaded by the fault collection systems of the distribution automation system, the 95598 system, the on-site line inspection monitoring device, and the power consumption information collection system, so that it can Receive accurate, reliable, comprehensive and timely status information covering the distribution network within the jurisdiction, and then use the corresponding positioning fault solution stored in the distribution network fault location server to perform classified fault judgments, which can accurately locate distribution network faults and provide It provides a reference for decision-making on emergency repairs, distribution network construction, and grid transformation.

Fig. 4 is a flow chart of another distribution network fault location method based on multiple fault acquisition according to the present invention.

The distribution network fault location method based on multivariate fault collection as shown in Figure 4 is completed in the distribution network fault location server, and a set of location fault solutions is stored in the distribution network fault location server; the method specifically includes:

Step (1): Assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device, and power consumption information collection system; The ID number is bound to a matching fault location solution in the set of fault location solutions;

Step (2): Receive the fault information transmitted by the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with corresponding ID numbers for classified storage;

Step (3): Use the fault location scheme bound to the ID number to perform fault location on the information with the same ID number and output the location results.

The present invention can receive accurate, reliable, comprehensive and timely information covering the distribution network within the jurisdiction by receiving the fault information uploaded by the fault collection systems of the distribution automation system, the 95598 system, the on-site line inspection monitoring device and the power consumption information collection system. Status information, and then use the corresponding positioning fault scheme stored in the distribution network fault location server to carry out classified fault judgment, which can accurately locate distribution network faults, and provide reference for decision-making of distribution network emergency repair, distribution network construction, and grid transformation.

Fig. 5 is a schematic structural diagram of a distribution network fault location server. The distribution network fault location server shown in Figure 5 includes:

Fault location solution binding module, which is used to assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system; attribute, binding each ID number to a matching fault location solution in the set of fault location solutions;

The information classification storage module is used to receive the fault information transmitted by the distribution automation system, the 95598 system, the on-site line inspection monitoring device and the power consumption information collection system, and associate the corresponding ID numbers for classification storage;

The fault location judgment module is used to respectively perform fault location on information with the same ID number by using the location fault scheme bound to the ID number and output the location result.

The present invention integrates fault acquisition systems such as power distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information acquisition system, receives accurate, reliable, comprehensive and timely status information covering the distribution network within the jurisdiction, and reuses the distribution network The corresponding positioning fault scheme stored in the grid fault location server can be used for classification and judgment of faults, which can accurately locate distribution network faults, and provide reference for decision-making of distribution network emergency repair, distribution network construction, and grid transformation.

The present invention also integrates the GIS system into the distribution network fault location system based on multiple fault collection, and finally sends the location results output by the distribution network fault location server to the GIS system and visually displays them on the GIS map.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented through computer programs to instruct related hardware, and the programs can be stored in a computer-readable storage medium. During execution, it may include the processes of the embodiments of the above-mentioned methods. Wherein, the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM) and the like.

Although the specific implementation of the present invention has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the present invention. Those skilled in the art should understand that on the basis of the technical solution of the present invention, those skilled in the art do not need to pay creative work Various modifications or variations that can be made are still within the protection scope of the present invention.

Claims (6)

1. A distribution network fault location system based on multiple fault collection, characterized in that it includes a distribution network fault location server, which is connected to the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system respectively connected; The distribution automation system is used to push distribution network fault information to the distribution network fault location server; the 95598 system is used to push user repair information to the distribution network fault location server; the on-site line inspection monitoring device is used to The fault information detected by on-site line inspection is transmitted to the fault location server of the distribution network; the power consumption information collection system is used to send the collected power outage information to the fault location server of the distribution network; the fault location server of the distribution network A set of locating fault schemes is also stored; the distribution network fault locating server is used for: Assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device, and power consumption information collection system; A matching fault location solution in the fault location solution set is bound; Receive the fault information transmitted by the power distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with the corresponding ID numbers for classified storage; Use the fault location solution bound to the ID number to perform fault location on the information with the same ID number and output the location results; In the distribution network fault location server, the fault location scheme matching the ID number assigned to the distribution automation system is: judging the received distribution network fault information sent from the distribution automation system as a temporary fault It is still a permanent fault; if it is a temporary fault, the fault location is over; otherwise, according to the topological relationship of the faulty equipment line, analyze the information of the 10kV power outage equipment affected by the fault, and import it into the power outage impact table of the distribution automation system; analyze the power outage metering box according to the equipment topology relationship , according to the user information maintained by the marketing system, import the information of the users affected by the power outage into the table of users affected by the power outage, and analyze the distribution transformers affected by the power outage according to the analyzed 10kV power outage equipment and the topological connection of the power grid. If there is no, the fault location is over. ; If there is a power outage transformer, continue to analyze down to the user meter box according to the grid topology connection, import the analyzed power outage equipment into the power outage impact table, and correlate the analyzed power outage meter box according to the equipment information in the user repair information, such as association If it is found, a record affecting the 95598 work order will be generated; if it cannot be associated, no record will be generated, and the fault location will end; In the distribution network fault location server, the fault location scheme that matches the ID number assigned to the 95598 system is: according to the account number in the user repair information, query the marketing data, and judge the user's electricity bill information, such as arrears, and obtain Fault conclusion The user is in arrears, and the fault judgment is over; if there is no arrears information, the information of the user's electric energy meter is called, and the measured data has voltage and no current to draw an abnormal conclusion after the user's meter, and the user's electric meter has voltage and current. Normal conclusion; if there is no voltage and current, call and measure the information of the user's distribution transformer. The power outage information of the line connected to the grid fault location system is compared with the known line power outage data whether the line where the user equipment is located is connected. Display the specific power outage information affecting users: planned, temporary and failure and end; In the distribution network fault location server, the fault location scheme that matches the ID number assigned to the on-site line inspection monitoring device is: initially locate the fault range with the received fault information transmitted by the on-site line inspection monitoring device, such as locating Go to the low-voltage metering box, transfer to the fault judgment process of the user’s repair report and output the judgment conclusion; if the fault point is located on the medium-voltage line, transfer to the medium-voltage fault location judgment and output the judgment conclusion; if the fault point is located on the low-voltage line, then according to the fault location Low-voltage line attributes, the real-time voltage and current of the transformer on the test line, if there are three-phase voltage and current, it is judged that the low-voltage line is abnormal; if there is a lack of phase, it is judged that the low-voltage line is abnormal; The known power outage information is related to the power outage line. If the connection cannot be made, it is judged that the transformer is abnormal; In the fault location server of the distribution network, the fault location scheme that matches the ID number assigned to the power consumption information collection system is: associate the power-off equipment of each collection terminal device in the power information collection system uploaded, from the device library Query the type of equipment. If it is a user electric energy meter equipment, the fault location is completed; if it is a distribution transformer equipment, then call and measure the real-time voltage and current data of the transformer. , then it is judged that the transformer with no current and voltage is connected according to the topology of the line, and the line is derived, and the known power outage information connected to the fault location system of the distribution network is associated with the line. If it cannot be associated, it is judged that the transformer is abnormal; If it is connected, it is judged to be a planned or temporary or faulty power outage, and it ends. 2. A kind of distribution network fault location system based on multivariate fault collection as claimed in claim 1, is characterized in that, this system also comprises: GIS system, described GIS system is connected with distribution network fault location server; The GIS system is used to receive the location results output by the distribution network fault location server and display them on the GIS map. 3. A positioning method based on the distribution network fault location system of multivariate fault collection as claimed in any one of claims 1-2, characterized in that, comprising: Step 1: Distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system respectively push distribution network fault information, user repair information, on-site line inspection detection fault information and collected power outage information to power distribution Network fault location server; Step 2: The distribution network fault location server receives and processes the fault information transmitted by the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system. The specific processing process is as follows: Assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device, and power consumption information collection system; A matching fault location solution in the fault location solution set is bound; Receive the fault information transmitted by the power distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with the corresponding ID numbers for classified storage; Use the fault location solution bound to the ID number to perform fault location on the information with the same ID number and output the location results; In the distribution network fault location server, the fault location scheme matching the ID number assigned to the distribution automation system is: Step 1.1: Judging whether the received distribution network fault information sent by the distribution automation system is a temporary fault or a permanent fault; if it is a temporary fault, the fault location ends; otherwise, go to step 1.2; Step 1.2: According to the topological relationship of the faulty equipment line, analyze the information of the 10kV power outage equipment affected by the fault, and import it into the power outage impact table of the distribution automation system; further analyze the metering box of the power outage according to the topological relationship of the equipment, and according to the user information maintained by the marketing system, put The user information affected by the power outage is imported into the user table affected by the power outage; Step 1.3: According to the 10kV outage equipment analyzed in step 1.2, analyze the distribution transformer that affects the power outage according to the topological connection of the power grid. If there is no power outage, the fault location is completed; if there is a power outage transformer, continue to step 1.4; Step 1.4: According to the network topology connection, continue to analyze down to the user meter box, import the analyzed outage equipment into the outage impact table, and enter step 1.5; Step 1.5: Associate the outage meter box analyzed in step 1.4 according to the equipment information in the user's repair information. If it is associated, a record affecting the 95598 work order will be generated; if it is not associated, no record will be generated, and the fault location will end; In the distribution network fault location server, the fault location scheme matched with the system ID number assigned to 95598 is: Step 2.1: According to the account number in the user's repair information, query the marketing data and judge the user's electricity bill information. If there is arrears, draw a fault conclusion that the user is in arrears, and the fault judgment is over; if there is no arrears information, go to step 2.2; Step 2.2: Call and measure the information of the user’s electric energy meter. If the measured data has voltage and no current, it can be concluded that the user’s electric meter is abnormal. If there is voltage and current, it can be concluded that the user’s electric energy meter is normal; if there is no voltage and current, go to step 2.3; Step 2.3: Call and measure the information of the user's distribution transformer, if there is voltage and current, draw the conclusion of abnormality of the household meter, and draw the conclusion of abnormality of the low-voltage line if the voltage and current lack of phase; if there is no voltage and current, go to step 2.4; Step 2.4: Compare the line power outage information accessed through the distribution network fault location system to whether the line where the user equipment is located is associated with the known line power outage data. If the connection is not found, draw the conclusion that the upstream transformer of the line where the user is located is abnormal; If it is connected, the specific power outage information that affects the user's power outage can be obtained: planned, temporary and fault and end; In the distribution network fault location server, the fault location scheme matched with the ID number assigned to the on-site line inspection monitoring device is: Step 3.1: Preliminarily locate the fault range based on the received fault information sent by the on-site line inspection and monitoring device, such as locating to the low-voltage metering box, transfer to the fault judgment process of the user's repair report and output the judgment conclusion; if the fault point is located on the medium-voltage line, Transfer to medium-voltage fault location judgment and output the judgment conclusion; if the fault point is located on the low-voltage line, enter step 3.2; Step 3.2: According to the low-voltage line attribute of the fault location, measure the real-time voltage and current of the transformer on the line. If there are three-phase voltage and current, it is judged that the low-voltage line is abnormal; if there is a phase loss, it is judged that the low-voltage line is abnormal; Step 3.3; Step 3.3: Correlate with the power outage line through the known power outage information that has been connected in the system. If the connection cannot be made, it is judged that the transformer is abnormal; In the distribution network fault location server, the fault location scheme matched with the ID number assigned to the power consumption information collection system is: Step 4.1: Associate each collection terminal device in the uploaded electrical information collection system with the power-off device, and query the type of device from the device library. If it is a user electric energy meter device, the fault location is completed; if it is a distribution transformer device, go to step 4.2 ; Step 4.2: Call and measure the real-time voltage and current data of the transformer. If there is current and voltage, it is judged as an invalid fault if the three phases are complete; if there is no voltage and current, go to step 4.3; Step 4.3: Step 4.2 judges the transformer with no current and voltage, and derives the line according to the line topology connection, and correlates with the line through the known power outage information that has been connected in the fault location system of the distribution network. The transformer is abnormal; if it is connected, it is judged to be a planned or temporary or faulty power outage, and it ends. 4. The positioning method according to claim 3, further comprising: the distribution network fault location server sends the output positioning results to the GIS system, and displays them on the GIS map. 5. A distribution network fault location method based on multivariate fault collection, characterized in that, the method is completed in a distribution network fault location server, and a set of location fault solutions is stored in the distribution network fault location server; the method Specifically include: Step (1): Assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device, and power consumption information collection system; The ID number is bound to a matching fault location solution in the set of fault location solutions; Step (2): Receive the fault information transmitted by the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system, and correlate with corresponding ID numbers for classified storage; Step (3): Fault location is performed on information with the same ID number using the fault location scheme bound to the ID number and output the location results; In the distribution network fault location server, the fault location scheme matching the ID number assigned to the distribution automation system is: judging the received distribution network fault information sent from the distribution automation system as a temporary fault It is still a permanent fault; if it is a temporary fault, the fault location is over; otherwise, according to the topological relationship of the faulty equipment line, analyze the information of the 10kV power outage equipment affected by the fault, and import it into the power outage impact table of the distribution automation system; analyze the power outage metering box according to the equipment topology relationship , according to the user information maintained by the marketing system, import the information of the users affected by the power outage into the table of users affected by the power outage, and analyze the distribution transformers affected by the power outage according to the analyzed 10kV power outage equipment and the topological connection of the power grid. If there is none, the fault location is over. ; If there is a power outage transformer, continue to analyze down to the user meter box according to the grid topology connection, import the analyzed power outage equipment into the power outage impact table, and correlate the analyzed power outage meter box according to the equipment information in the user repair information, such as association If it is found, a record affecting the 95598 work order will be generated; if it cannot be associated, no record will be generated, and the fault location will end; In the distribution network fault location server, the fault location scheme that matches the ID number assigned to the 95598 system is: according to the account number in the user repair information, query the marketing data, and judge the user's electricity bill information, such as arrears, and obtain Fault conclusion The user is in arrears, and the fault judgment is over; if there is no arrears information, the information of the user's electric energy meter is called, and the measured data has voltage and no current to draw an abnormal conclusion after the user's meter, and the user's electric meter has voltage and current. Normal conclusion; if there is no voltage and current, call and measure the information of the user's distribution transformer. The power outage information of the line connected to the grid fault location system is compared with the known line power outage data whether the line where the user equipment is located is connected. Display the specific power outage information affecting users: planned, temporary and failure and end; In the distribution network fault location server, the fault location scheme that matches the ID number assigned to the on-site line inspection monitoring device is: initially locate the fault range with the received fault information transmitted by the on-site line inspection monitoring device, such as locating Go to the low-voltage metering box, transfer to the fault judgment process of the user’s repair report and output the judgment conclusion; if the fault point is located on the medium-voltage line, transfer to the medium-voltage fault location judgment and output the judgment conclusion; if the fault point is located on the low-voltage line, then according to the fault location Low-voltage line attributes, the real-time voltage and current of the transformer on the test line, if there are three-phase voltage and current, it is judged that the low-voltage line is abnormal; if there is a lack of phase, it is judged that the low-voltage line is abnormal; The known power outage information is related to the power outage line. If the connection cannot be made, it is judged that the transformer is abnormal; In the fault location server of the distribution network, the fault location scheme that matches the ID number assigned to the power consumption information collection system is: associate the power-off equipment of each collection terminal device in the power information collection system uploaded, from the device library Query the type of equipment. If it is a user electric energy meter equipment, the fault location is completed; if it is a distribution transformer equipment, call and measure the real-time voltage and current data of the transformer. If there is current and voltage, the three phases are complete. , then it is judged that the transformer with no current and voltage is connected according to the line topology, and the line is derived, and the known power outage information connected in the fault location system of the distribution network is associated with the line. If the association cannot be made, it is judged that the transformer is abnormal; If it is connected, it is judged to be a planned or temporary or faulty power outage, and it ends. 6. A distribution network fault location server, characterized in that, comprising: Fault location solution binding module, which is used to assign a unique ID number to the distribution automation system, 95598 system, on-site line inspection monitoring device and power consumption information collection system; attribute, binding each ID number to a matching fault location solution in the set of fault location solutions; The information classification storage module is used to receive the fault information transmitted by the distribution automation system, the 95598 system, the on-site line inspection monitoring device and the power consumption information collection system, and associate the corresponding ID numbers for classification storage; A fault location judgment module, which is used to perform fault location on information with the same ID number by using a location fault scheme bound to the ID number and output a location result; In the distribution network fault location server, the fault location scheme matching the ID number assigned to the distribution automation system is: judging the received distribution network fault information sent from the distribution automation system as a temporary fault It is still a permanent fault; if it is a temporary fault, the fault location is over; otherwise, according to the topological relationship of the faulty equipment line, analyze the information of the 10kV power outage equipment affected by the fault, and import it into the power outage impact table of the distribution automation system; analyze the power outage metering box according to the equipment topology relationship , according to the user information maintained by the marketing system, import the information of the users affected by the power outage into the table of users affected by the power outage, and analyze the distribution transformers affected by the power outage according to the analyzed 10kV power outage equipment and the topological connection of the power grid. If there is no, the fault location is over. ; If there is a power outage transformer, continue to analyze down to the user meter box according to the grid topology connection, import the analyzed power outage equipment into the power outage impact table, and correlate the analyzed power outage meter box according to the equipment information in the user repair information, such as association If it is found, a record affecting the 95598 work order will be generated; if it cannot be associated, no record will be generated, and the fault location will end; In the distribution network fault location server, the fault location scheme that matches the ID number assigned to the 95598 system is: according to the account number in the user repair information, query the marketing data, and judge the user's electricity bill information, such as arrears, and obtain Fault conclusion The user is in arrears, and the fault judgment is over; if there is no arrears information, the information of the user's electric energy meter is called, and the measured data has voltage and no current to draw an abnormal conclusion after the user's meter, and the user's electric meter has voltage and current. Normal conclusion; if there is no voltage and current, call and measure the information of the user's distribution transformer. The power outage information of the line connected to the grid fault location system is compared with the known line power outage data whether the line where the user equipment is located is connected. Display the specific power outage information affecting users: planned, temporary and failure and end; In the distribution network fault location server, the fault location scheme that matches the ID number assigned to the on-site line inspection monitoring device is: initially locate the fault range with the received fault information transmitted by the on-site line inspection monitoring device, such as locating Go to the low-voltage metering box, transfer to the fault judgment process of the user’s repair report and output the judgment conclusion; if the fault point is located on the medium-voltage line, transfer to the medium-voltage fault location judgment and output the judgment conclusion; if the fault point is located on the low-voltage line, then according to the fault location Low-voltage line attributes, the real-time voltage and current of the transformer on the test line, if there are three-phase voltage and current, it is judged that the low-voltage line is abnormal; if there is a lack of phase, it is judged that the low-voltage line is abnormal; The known power outage information is related to the power outage line. If the connection cannot be made, it is judged that the transformer is abnormal; In the fault location server of the distribution network, the fault location scheme that matches the ID number assigned to the power consumption information collection system is: associate the power-off equipment of each collection terminal device in the power information collection system uploaded, from the device library Query the type of equipment. If it is a user electric energy meter equipment, the fault location is completed; if it is a distribution transformer equipment, then call and measure the real-time voltage and current data of the transformer. , then it is judged that the transformer with no current and voltage is connected according to the topology of the line, and the line is derived, and the known power outage information connected to the fault location system of the distribution network is associated with the line. If it cannot be associated, it is judged that the transformer is abnormal; If it is connected, it is judged to be a planned or temporary or faulty power outage, and it ends.