CN106814286B

CN106814286B - Power distribution network fault positioning system, method and server based on multi-element fault acquisition

Info

Publication number: CN106814286B
Application number: CN201710074063.5A
Authority: CN
Inventors: 刘远龙; 游大宁; 瞿寒冰; 公伟勇; 张元鹏; 丛玉頔; 谭苏君; 辛刚; 尹茂林; 晋飞; 周春生; 林祺蓉; 王萍; 隗寿晨
Original assignee: State Grid Corp of China SGCC; State Grid Shandong Electric Power Co Ltd; Shandong Luneng Software Technology Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Shandong Electric Power Co Ltd; Shandong Luruan Digital Technology Co Ltd
Priority date: 2017-02-10
Filing date: 2017-02-10
Publication date: 2019-12-31
Anticipated expiration: 2037-02-10
Also published as: CN106814286A

Abstract

The invention discloses a power distribution network fault positioning system, method and server based on multi-element fault acquisition. The system comprises a power distribution network fault positioning server which is respectively connected with a power distribution automation system, a 95598 system, a field line patrol monitoring device and a power utilization information acquisition system; the distribution network fault positioning server is used for respectively allocating a unique ID number to the distribution automation system, the 95598 system, the field line patrol monitoring device and the power utilization information acquisition system; binding each ID number with a matched fault positioning scheme in the fault positioning scheme set according to the attribute of each fault positioning scheme in the fault positioning scheme set; receiving fault information transmitted by a distribution automation system, a 95598 system, a field line patrol monitoring device and a power utilization information acquisition system, and respectively associating corresponding ID numbers for classified storage; and respectively carrying out fault location on the information with the same ID number by using a fault location scheme bound with the ID number and outputting a location result.

Description

Power distribution network fault positioning system, method and server based on multi-element fault acquisition

Technical Field

The invention belongs to the field of power faults, and particularly relates to a power distribution network fault positioning system, method and server based on multi-element fault acquisition.

Background

With the development of economy, the rapid increase of power demand and the continuous enlargement of the scale of a power grid, the requirements of the society on the power supply reliability, the power quality and the service level of the power grid are higher and higher. The rush repair speed of the power distribution network fault becomes an important link influencing the power supply reliability.

The power failure range caused by the 10kV fault discovered by the power distribution automation is wider, the social influence is larger, how to quickly grasp the fault influence range and the user, and timely and actively inform the user of the power failure information and the current emergency repair situation, so that the repair number of the user can be greatly reduced, and the customer service level is improved. Most of fault information reported by users only has address information of the users, and the requirements of field rush-repair personnel for quickly and accurately judging fault equipment and positions cannot be met. How to quickly locate the fault position of the fault discovered by the power utilization information acquisition system and the fault recorded by the field line patrol personnel also becomes a reason for influencing the emergency repair progress. Therefore, in order to improve the speed of emergency repair of the fault, accurate study, judgment and analysis of the fault become urgent needs for the development of emergency repair work of the distribution network.

Along with smart power grids's construction, electric wire netting monitoring facilities are more and more, and the information communication mode is more and more convenient, and the electric power data of gathering are more and more, integrate each system data and carry out the analysis, can carry out accurate study and judge and analysis to the trouble, improve and salvage efficiency.

Disclosure of Invention

In order to solve the problem that in the prior art, failure information is single, the failure positioning accuracy is low, and therefore the failure first-aid repair speed is low, the invention provides a power distribution network failure positioning system based on multi-element failure acquisition.

The invention discloses a power distribution network fault positioning system based on multi-element fault acquisition, which comprises a power distribution network fault positioning server, a power distribution network fault positioning server and a power utilization information acquisition system, wherein the power distribution network fault positioning server is respectively connected with a power distribution automation system, a 95598 system, a field line patrol monitoring device and the power utilization information acquisition system;

the distribution automation system is used for pushing distribution network fault information to a distribution network fault positioning server; the 95598 system is used for pushing the repair information of the user to a power distribution network fault positioning server; the field line patrol monitoring device is used for transmitting fault information of field line patrol detection to the power distribution network fault positioning server; the power utilization information acquisition system is used for transmitting the acquired power failure information to the power distribution network fault positioning server; a positioning fault scheme set is also stored in the power distribution network fault positioning server; the power distribution network fault positioning server is used for:

respectively allocating a unique ID number to the distribution automation system, the 95598 system, the field line patrol monitoring device and the power utilization information acquisition system; binding each ID number with a matched fault positioning scheme in the fault positioning scheme set according to the attribute of each fault positioning scheme in the fault positioning scheme set;

receiving fault information transmitted by a distribution automation system, a 95598 system, a field line patrol monitoring device and a power utilization information acquisition system, and respectively associating corresponding ID numbers for classified storage;

and respectively carrying out fault location on the information with the same ID number by using a fault location scheme bound with the ID number and outputting a location result.

The power distribution network fault positioning system based on the multi-element fault acquisition integrates fault acquisition systems such as a power distribution automation system, a 95598 system, a field line patrol monitoring device and a power consumption information acquisition system, receives accurate, reliable, comprehensive and timely state information covering distribution networks in jurisdictions, and performs classified fault judgment by using corresponding positioning fault schemes stored in a power distribution network fault positioning server, so that the power distribution network fault can be accurately positioned, and a reference basis is provided for the decision of distribution network emergency repair, distribution network construction and grid frame transformation.

Furthermore, the system also comprises a GIS system, wherein the GIS system is connected with the power distribution network fault positioning server; and the GIS system is used for receiving the positioning result output by the power distribution network fault positioning server and displaying the positioning result on a GIS map.

The invention also fuses the GIS system to the power distribution network fault positioning system based on the multi-element fault acquisition, and finally sends the positioning result output by the power distribution network fault positioning server to the GIS system and visually displays the positioning result on a GIS map in a visual mode.

The second purpose of the invention is to provide a positioning method of a power distribution network fault positioning system based on multi-element fault acquisition.

The positioning method of the power distribution network fault positioning system based on the multi-element fault acquisition comprises the following steps:

the method comprises the following steps: the distribution automation system, the 95598 system, the field line inspection monitoring device and the power utilization information acquisition system respectively push distribution network fault information, user repair information, fault information of field line inspection and fault information acquired by the power utilization information acquisition system to a distribution network fault positioning server;

step two: distribution network fault location server receives the fault information that distribution automation system, 95598 system, on-the-spot line inspection monitoring devices and power consumption information acquisition system conveyed and handles, and specific processing procedure is:

According to the positioning method of the power distribution network fault positioning system based on the multi-element fault collection, the fault information uploaded by the fault collection systems of the power distribution automation system, the 95598 system, the on-site line patrol monitoring device and the power utilization information collection system is received, so that accurate, reliable, comprehensive and timely state information of distribution networks in coverage areas can be received, classified fault judgment is carried out by using corresponding positioning fault schemes stored in the power distribution network fault positioning server, the power distribution network fault can be accurately positioned, and a reference basis is provided for decision of distribution network emergency repair, distribution network construction and grid frame transformation.

Further, in the distribution network fault location server, the fault location scheme matched with the ID number assigned to the distribution automation system is as follows:

step 1.1: judging whether the fault is a temporary fault or a permanent fault according to the received distribution network fault information transmitted by the distribution automation system; if the fault is a temporary fault, the fault positioning is finished; otherwise, entering step 1.2;

step 1.2: analyzing 10kV power failure equipment information influenced by a fault according to a topological relation of a line of the fault equipment, and importing the information into a power failure influence table of a power distribution automation system; the metering box with the power failure is further analyzed according to the topological relation of the equipment, and the user information influenced by the power failure is led into the user table influenced by the power failure according to the user information maintained by the marketing system;

step 1.3: according to the 10kV power failure equipment analyzed in the step 1.2, a distribution transformer influencing power failure is analyzed downwards according to power grid topological connection, and if the power failure equipment does not exist, fault positioning is finished; if the transformer with power failure exists, continuing to enter the step 1.4;

step 1.4: continuing to analyze downwards according to the topological connection of the power grid until the user meter box, leading the analyzed power failure equipment into a power failure influence meter, and entering the step 1.5;

step 1.5: associating the power failure meter box analyzed in the step 1.4 according to the equipment information in the user repair information, and if the power failure meter box is associated, generating a record influencing a 95598 work order; if the correlation is not available, no record is generated, and the fault location is finished.

The effect is as follows: by the method, equipment with faults, a power failure area and a user caused by the faults can be accurately positioned, on-site first-aid repair personnel can conveniently know fault details and formulate a fault solution, and select proper first-aid repair appliances and materials, so that time wasted due to the fact that the solution formulation errors or the first-aid repair appliances carry errors are reduced due to the fact that the fault details are not known. And the analyzed power failure user actively sends a power failure information notification and informs the user of the fault handling condition, so that the fault repair number of the user is reduced, and the user satisfaction is improved.

Further, in the distribution network fault location server, the fault location scheme matched with the ID number assigned to the 95598 system is as follows:

step 2.1: inquiring marketing data according to the account number in the repair information of the user, judging the electricity charge information of the user, if the user is owing, obtaining a fault conclusion that the user is owing, and finishing the fault judgment; if no arrearage information exists, entering the step 2.2;

step 2.2: calling information of the user electric energy meter, calling whether voltage exists or not to obtain a conclusion that the user electric energy meter is abnormal after the user electric energy meter exists, and calling whether voltage exists or not to obtain a normal conclusion that the user electric energy meter exists; if no voltage and current enter step 2.3;

step 2.3: calling and measuring information of a distribution transformer of a user, wherein voltage and current exist to obtain an abnormal conclusion of a household meter, and a voltage and current phase failure to obtain an abnormal conclusion of a low-voltage line; step 2.4 is carried out without voltage current;

step 2.4: comparing whether the line where the user equipment is located is associated with known line power failure data through line power failure information accessed by a power distribution network fault positioning system, and obtaining an abnormal conclusion of an uplink transformer of the line where the user is located if the line where the user equipment is located is not associated with the known line power failure data; if in the association, obtain the concrete power failure information that influences the user and cuts off the power supply: planned, temporary, and failed and ended.

The effect is as follows: the administrative address in the repair information of the user is converted into the power equipment information in the power distribution network, whether the power failure of the user is due or not is judged through the query of the marketing management information, the situation of the due is directly fed back to the user, and the waste of repair resources caused by blind dispatching is avoided. The method is not under the condition of arrearage, analyzes the reasons causing the fault and positions the fault point, facilitates the understanding of on-site rush repair personnel on the fault details, formulates a proper rush repair scheme, rapidly completes the fault treatment, reduces the power failure time and improves the user satisfaction.

Further, in the distribution network fault location server, the fault location scheme matched with the ID number allocated to the field line patrol monitoring device is as follows:

step 3.1: carrying out primary positioning on the fault range of the received fault information transmitted by the on-site line patrol monitoring device, if the fault information is positioned to a low-pressure metering box, transferring to a user repair fault judgment process and outputting a judgment conclusion; if the fault point is positioned on the medium-voltage line, transferring to medium-voltage fault positioning judgment and outputting a judgment conclusion; if the fault point is positioned to the low-voltage line, entering a step 3.2;

step 3.2: calling real-time voltage and current of a transformer on a line according to the attribute of a low-voltage line subjected to fault location, and judging that the low-voltage line is abnormal if the three-phase voltage and current exist; if the phase is lost, judging that the low-voltage line is abnormal; if no voltage current flows into step 3.3;

step 3.3: the known power failure information accessed in the system is associated with the power failure line, and if the known power failure information is not associated, the transformer is judged to be abnormal; if so, it is determined as a planned, temporary, or fault power outage and the process is terminated.

The effect is as follows: the fault equipment is accurately positioned, and the formulation of an emergency repair scheme, emergency repair personnel and material scheduling are facilitated. And further, lines or equipment with three or more times of power failure are derived through historical data analysis, and a basis is provided for distribution network reconstruction.

Further, in the distribution network fault location server, the fault location scheme matched with the ID number assigned to the power consumption information acquisition system is as follows:

step 4.1: associating each acquisition terminal device in the uploaded electric information acquisition system with a power failure device, and inquiring the type of the device from a device library, wherein if the device is a user electric energy meter device, the fault location is finished; if the equipment is distribution transformer equipment, entering step 4.2;

step 4.2: calling real-time voltage and current data of the transformer, and judging that the three phases are complete to be invalid faults if the current voltage exists; if no voltage current exists, the step 4.3 is carried out;

step 4.3: step 4.2, judging a transformer without current voltage, deriving the line according to the topological connection of the line, associating the known power failure information accessed in the power distribution network fault positioning system with the line, and judging that the transformer is abnormal if the known power failure information is not associated with the line; if so, it is determined as a planned, temporary, or fault power outage and the process is terminated.

Further, the method further comprises: and the power distribution network fault positioning server sends the output positioning result to a GIS system and displays the positioning result on a GIS map.

The method sends the positioning result output by the power distribution network fault positioning server to the GIS system and visually displays the positioning result on the GIS map in a visual mode.

The invention also aims to provide another power distribution network fault positioning method based on multi-element fault collection.

The power distribution network fault positioning method based on the multi-element fault acquisition is completed in a power distribution network fault positioning server, and a positioning fault scheme set is stored in the power distribution network fault positioning server; the method specifically comprises the following steps:

step (1): respectively allocating a unique ID number to the distribution automation system, the 95598 system, the field line patrol monitoring device and the power utilization information acquisition system; binding each ID number with a matched fault positioning scheme in the fault positioning scheme set according to the attribute of each fault positioning scheme in the fault positioning scheme set;

step (2): receiving fault information transmitted by a distribution automation system, a 95598 system, a field line patrol monitoring device and a power utilization information acquisition system, and respectively associating corresponding ID numbers for classified storage;

and (3): and respectively carrying out fault location on the information with the same ID number by using a fault location scheme bound with the ID number and outputting a location result.

According to the invention, by receiving the fault information uploaded by the fault acquisition systems of the distribution automation system, the 95598 system, the on-site line patrol monitoring device and the power utilization information acquisition system, accurate, reliable, comprehensive and timely state information covering distribution networks in jurisdictions can be received, and classified fault judgment is carried out by utilizing the corresponding positioning fault scheme stored in the distribution network fault positioning server, so that the distribution network fault can be accurately positioned, and a reference basis is provided for the decision of distribution network emergency repair, distribution network construction and grid frame transformation.

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

This distribution network fault location server includes:

the system comprises a fault positioning scheme binding module, a fault positioning module and a fault detection module, wherein the fault positioning scheme binding module is used for respectively allocating a unique ID number to a power distribution automation system, a 95598 system, a field line patrol monitoring device and a power utilization information acquisition system; binding each ID number with a matched fault positioning scheme in the fault positioning scheme set according to the attribute of each fault positioning scheme in the fault positioning scheme set;

the information classification storage module is used for receiving fault information transmitted by the distribution automation system, the 95598 system, the field line patrol monitoring device and the power utilization information acquisition system and respectively associating corresponding ID numbers for classification storage;

and the fault positioning judgment module is used for performing fault positioning on the information with the same ID number by utilizing the positioning fault scheme bound with the ID number and outputting a positioning result.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention integrates the fault acquisition systems of a power distribution automation system, a 95598 system, a field line patrol monitoring device and a power utilization information acquisition system, receives accurate, reliable, comprehensive and timely state information of a distribution network covering the district, and performs classified fault judgment by using a corresponding fault positioning scheme stored in a distribution network fault positioning server, so that the fault of the distribution network can be accurately positioned, and a reference basis is provided for the decision of distribution network emergency repair, distribution network construction and grid transformation.

(2) The invention also fuses the GIS system to the power distribution network fault positioning system based on the multi-element fault acquisition, and finally sends the positioning result output by the power distribution network fault positioning server to the GIS system and visually displays the positioning result on a GIS map in a visual mode.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic structural diagram of a power distribution network fault location system based on multi-element fault collection.

Fig. 2 is a flow chart of a positioning method of a power distribution network fault positioning system based on multi-element fault collection.

Fig. 3 is a flow chart of a fault location scheme matching an ID number assigned to a distribution automation system.

Fig. 4 is a flow chart of another power distribution network fault location method based on multi-element fault collection according to the invention.

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

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. 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 is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1, the power distribution network fault location system based on multivariate fault collection includes a power distribution network fault location server, which is respectively connected to a power distribution automation system, a 95598 system, a field line patrol monitoring device and a power consumption information collection system;

Distribution automation system: by utilizing modern electronic technology, communication technology, computer and network technology, the real-time information, the off-line information, the user information, the power grid structure parameters and the geographic information of the power distribution network are integrated to form a complete automatic management system, so that the monitoring, protection, control and power distribution management of the power distribution system under normal operation and accident conditions are realized.

95598 system: the electric power system customer hotline service business management system comprises customer reports, customer suggestions, customer complaints, repair reports and the like.

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

The power utilization information acquisition system comprises: the system for collecting, processing and monitoring the power utilization information of the power consumers in real time realizes the functions of automatic collection of the power utilization information, abnormal metering monitoring, power quality monitoring, power utilization analysis and management, related information release, distributed energy monitoring, information interaction of intelligent power utilization equipment and the like.

The ID number may be represented by a field of a combination of numbers and letters.

The power distribution network fault positioning system based on multi-element fault acquisition of the embodiment integrates fault acquisition systems such as a power distribution automation system, a 95598 system, a field line patrol monitoring device and a power consumption information acquisition system, receives accurate, reliable, comprehensive and timely state information covering distribution networks in jurisdictions, and performs classified fault judgment by using corresponding positioning fault schemes stored in a power distribution network fault positioning server, so that the power distribution network fault can be accurately positioned, and a reference basis is provided for decision-making of distribution network emergency repair, distribution network construction and network frame transformation.

In another embodiment, the power distribution network fault positioning system based on the multi-element fault acquisition further comprises a GIS system, and the GIS system is connected with a power distribution network fault positioning server; and the GIS system is used for receiving the positioning result output by the power distribution network fault positioning server and displaying the positioning result on a GIS map.

The GIS system is a power GIS system, which is an integrated information system for connecting power equipment, a transformer substation, a power transmission and distribution network, power users of a power enterprise and core services such as power load, production and management and the like to form power informatization production management. The provided power equipment facility information, power grid operation state information, power technology information and production management information are integrated with natural environment information such as mountains, rivers, terrains, towns, highway streets, building groups, meteorology, hydrology, geology, resources and the like in a unified system. Related data, pictures, images, maps and the like can be inquired through the GIS.

the method comprises the following steps: the distribution automation system, the 95598 system, the field line inspection monitoring device and the power utilization information acquisition system respectively push distribution network fault information, user repair information, fault information of field line inspection and acquired power failure information to a distribution network fault positioning server;

Specifically, in the distribution network fault location server, the fault location scheme matched with the ID number assigned to the distribution automation system is as shown in fig. 3:

step 1.1: judging whether the fault is an instantaneous fault or a permanent fault according to the received distribution network fault information transmitted by the distribution automation system; if the fault is an instantaneous fault, the fault location is finished; otherwise, entering step 1.2;

the fault information pushed by the power distribution automation system contains a fault type code, and the fault type code is only needed to be judged to correspond to the fault type.

The method further comprises the following steps: and the power distribution network fault positioning server sends the output positioning result to a GIS system and displays the positioning result on a GIS map.

The power distribution network fault positioning method based on multi-element fault collection shown in fig. 4 is completed in a power distribution network fault positioning server, and a positioning fault scheme set is stored in the power distribution network fault positioning server; the method specifically comprises the following steps:

Fig. 5 is a schematic structural diagram of a power distribution network fault location server. The power distribution network fault location server shown in fig. 5 comprises:

The invention integrates the fault acquisition systems of a power distribution automation system, a 95598 system, a field line patrol monitoring device and a power utilization information acquisition system, receives accurate, reliable, comprehensive and timely state information of a distribution network covering the district, and performs classified fault judgment by using a corresponding fault positioning scheme stored in a distribution network fault positioning server, so that the fault of the distribution network can be accurately positioned, and a reference basis is provided for the decision of distribution network emergency repair, distribution network construction and grid transformation.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims

1. A power distribution network fault positioning system based on multi-element fault acquisition is characterized by comprising a power distribution network fault positioning server, a power distribution network fault positioning server and a power utilization information acquisition system, wherein the power distribution network fault positioning server is respectively connected with a power distribution automation system, a 95598 system, a field line patrol monitoring device and the power utilization information acquisition system;

respectively carrying out fault location on the information with the same ID number by using a fault location scheme bound with the ID number and outputting a location result;

in the distribution network fault positioning server, the fault positioning scheme matched with the ID number assigned to the distribution automation system is as follows: judging whether the fault is a temporary fault or a permanent fault according to the received distribution network fault information transmitted by the distribution automation system; if the fault is a temporary fault, the fault positioning is finished; otherwise, analyzing the 10kV power failure equipment information influenced by the fault according to the topological relation of the lines of the fault equipment, and importing the information into a power failure influence table of the power distribution automation system; analyzing a power failure metering box according to the topological relation of equipment, importing power failure influence user information into a power failure influence user table according to the user information maintained by a marketing system, and connecting a distribution transformer which influences power failure downwards according to the analyzed 10kV power failure equipment according to a power grid topology, wherein if the power failure influence user information does not exist, fault location is finished; if a transformer with power failure exists, continuing to analyze downwards until a user meter box according to the topological connection of the power grid, importing the analyzed power failure equipment into a power failure influence table, and associating the analyzed power failure meter box according to equipment information in the user repair information, wherein if the analyzed power failure equipment is associated, a record of an influence 95598 work order is generated; if the correlation is not obtained, no record is generated, and the fault location is finished;

in the distribution network fault location server, the fault location scheme matched with the ID number assigned to the 95598 system is as follows: inquiring marketing data according to the account number in the repair information of the user, judging the electricity charge information of the user, if the user is owing, obtaining a fault conclusion that the user is owing, and finishing the fault judgment; if the user electric energy meter information does not exist, calling the user electric energy meter information, calling the voltage or current of the data to obtain the abnormal conclusion after the user meter, and calling the voltage or current to obtain the normal conclusion of the user electric energy meter; if no voltage and current exist, calling the information of the distribution transformer of the user, if the voltage and the current exist, obtaining an abnormal conclusion of the household meter, and obtaining an abnormal conclusion of the low-voltage line if the voltage and the current lack the phase; if no voltage current exists, comparing whether the line where the user equipment is located is associated with known line power failure data through line power failure information accessed by a power distribution network fault positioning system, and if not, obtaining an abnormal conclusion of an uplink transformer of the line where the user is located; if in the association, obtain the concrete power failure information that influences the user and cuts off the power supply: planning, temporarily and faulting and finishing;

in the distribution network fault positioning server, the fault positioning scheme matched with the ID number allocated to the field line patrol monitoring device is as follows: carrying out primary positioning on the fault range of the received fault information transmitted by the on-site line patrol monitoring device, if the fault information is positioned to a low-pressure metering box, transferring to a user repair fault judgment process and outputting a judgment conclusion; if the fault point is positioned on the medium-voltage line, transferring to medium-voltage fault positioning judgment and outputting a judgment conclusion; if the fault point is positioned on the low-voltage line, calling real-time voltage and current of a transformer on the line according to the attribute of the low-voltage line of fault positioning, and if the three-phase voltage and current are all available, judging that the low-voltage line is abnormal; if the phase is lost, judging that the low-voltage line is abnormal; if no voltage current exists, the known power failure information accessed in the system is associated with the power failure line, and if the known power failure information is not associated, the transformer is judged to be abnormal; if the correlation is up, judging that the power failure is planned or temporary or fault power failure, and ending;

in the distribution network fault positioning server, the fault positioning scheme matched with the ID number allocated to the power utilization information acquisition system is as follows: associating each acquisition terminal device in the uploaded electric information acquisition system with a power failure device, and inquiring the type of the device from a device library, wherein if the device is a user electric energy meter device, the fault location is finished; if the distribution transformer equipment is adopted, real-time voltage and current data of the transformer are called, and if the current and voltage exist, three phases are complete and are judged to be invalid faults; if no voltage and current exist, judging a transformer without current and voltage, deriving the line according to the topological connection of the line, associating the known power failure information accessed in the power distribution network fault positioning system with the line, and if the known power failure information is not associated with the line, judging that the transformer is abnormal; if so, it is determined as a planned, temporary, or fault power outage and the process is terminated.

2. The system of claim 1, wherein the system further comprises: the GIS system is connected with the power distribution network fault positioning server; and the GIS system is used for receiving the positioning result output by the power distribution network fault positioning server and displaying the positioning result on a GIS map.

3. A method for locating a power distribution network fault location system based on multivariate fault collection according to any one of claims 1-2, comprising:

in the distribution network fault positioning server, the fault positioning scheme matched with the ID number assigned to the distribution automation system is as follows:

step 1.5: associating the power failure meter box analyzed in the step 1.4 according to the equipment information in the user repair information, and if the power failure meter box is associated, generating a record influencing a 95598 work order; if the correlation is not obtained, no record is generated, and the fault location is finished;

in the distribution network fault location server, the fault location scheme matched with the ID number assigned to the 95598 system is as follows:

step 2.4: comparing whether the line where the user equipment is located is associated with known line power failure data through line power failure information accessed by a power distribution network fault positioning system, and obtaining an abnormal conclusion of an uplink transformer of the line where the user is located if the line where the user equipment is located is not associated with the known line power failure data; if in the association, obtain the concrete power failure information that influences the user and cuts off the power supply: planning, temporarily and faulting and finishing;

in the distribution network fault positioning server, the fault positioning scheme matched with the ID number allocated to the field line patrol monitoring device is as follows:

step 3.3: the known power failure information accessed in the system is associated with the power failure line, and if the known power failure information is not associated, the transformer is judged to be abnormal; if the correlation is up, judging that the power failure is planned or temporary or fault power failure, and ending;

in the distribution network fault positioning server, the fault positioning scheme matched with the ID number allocated to the power utilization information acquisition system is as follows:

4. The method of claim 3, further comprising: and the power distribution network fault positioning server sends the output positioning result to a GIS system and displays the positioning result on a GIS map.

5. A power distribution network fault positioning method based on multi-element fault acquisition is characterized in that the method is completed in a power distribution network fault positioning server, and a positioning fault scheme set is stored in the power distribution network fault positioning server; the method specifically comprises the following steps:

and (3): respectively carrying out fault location on the information with the same ID number by using a fault location scheme bound with the ID number and outputting a location result;

6. A power distribution network fault location server, comprising:

the fault positioning judgment module is used for respectively carrying out fault positioning on the information with the same ID number by utilizing a positioning fault scheme bound with the ID number and outputting a positioning result;