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Power grid fault location method and location device

A power grid fault and location method technology, which is applied in the direction of fault location, fault detection according to conductor type, information technology support system, etc., can solve the problems of not being able to accurately locate the fault point, prolong the time for restoring power supply, etc., and reduce the on-site The time of investigation, the effect of fast and accurate positioning

Active Publication Date: 2021-05-25
WENSHANG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing fault location methods cannot accurately locate the location of the fault point, and maintenance personnel need to conduct on-site investigation and location, prolonging the time for restoring power supply

Method used

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  • Power grid fault location method and location device
  • Power grid fault location method and location device
  • Power grid fault location method and location device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] This embodiment provides a grid fault location method location, such as figure 1 shown, including the following steps:

[0046] Step S101, receiving the power grid abnormality alarm information, extracting the location information of the power grid abnormal point from the power grid abnormality alarm information, and starting the power grid information collection system in the area to which the power grid abnormal point belongs;

[0047] Step S102, receiving the real-time status information of the power grid transmitted by the power grid information collection system;

[0048] Step S103, according to the real-time status information of the power grid, locate the target area in the pre-stored geographic wiring diagram of the power grid, and determine the local wiring diagram of the target area;

[0049] Step S104, according to the power grid abnormal alarm information and the real-time status information of the power grid, perform topology analysis on the local wiring d...

Embodiment 2

[0065] This embodiment provides another grid fault location method location, such as figure 2 shown, including the following steps:

[0066] Step S201, receiving the power grid abnormality alarm information, extracting the location information of the power grid abnormal point from the power grid abnormality alarm information, and starting the power grid information collection system in the area to which the power grid abnormality point belongs;

[0067] Step S202, receiving the real-time status information of the power grid transmitted by the power grid information collection system;

[0068] Step S203, according to the real-time status information of the power grid, locate the target area in the pre-stored geographic wiring diagram of the power grid, and determine the local wiring diagram of the target area;

[0069] Step S204, according to the power grid abnormal alarm information and the real-time status information of the power grid, perform topology analysis on the loca...

Embodiment 3

[0073] This embodiment provides a power grid fault location device corresponding to the method in the first embodiment above. Such as image 3 As shown, the device includes:

[0074] The alarm information receiving unit 31 is used to receive the power grid abnormality alarm information, extract the location information of the power grid abnormal point from the power grid abnormality alarm information, and start the power grid information collection system in the area to which the power grid abnormal point belongs;

[0075] The state information receiving unit 32 receives the real-time state information of the power grid transmitted by the power grid information collection system; the real-time state information of the power grid includes the current information of each power supply cable collected by the power grid information collection system, the inter-station staged protection start signal uploaded by each substation and the station intermittent Router switch status infor...

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Abstract

The invention provides a grid fault locating method and a locating device, belonging to the technical field of grid fault online monitoring. The power grid fault location method and location device provided by the embodiments of the present invention collect real-time status information of the power grid, determine the local wiring diagram of the target area related to the abnormal point of the power grid in the geographical wiring diagram of the power grid, and perform topology analysis on the local wiring diagram to obtain Faulty equipment and the scope of fault influence can quickly and accurately locate the fault point, reduce the time for on-site inspection of maintenance personnel, and help the staff to quickly respond and make decisions on faults, and help to effectively monitor the fault impact surface before the scope of fault influence expands. control.

Description

technical field [0001] The invention relates to the technical field of grid fault online monitoring, in particular to a grid fault locating method and a locating device. Background technique [0002] With the development of automation technology, the automatic operation of distribution network has become more and more important. Distribution network automation is the use of various technologies and distribution equipment to monitor and manage the distribution network, so that the distribution network is in a safe, reliable, high-quality, economical and efficient operating state. Fault location is one of the key technologies of distribution automation. It requires the ability to quickly locate the fault point when a fault occurs, and notify the maintenance personnel of the power department in time to save time for the maintenance personnel of the power department to troubleshoot faults and restore power supply. [0003] However, the existing fault location methods cannot acc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/08
CPCG01R31/086Y04S10/52
Inventor 邵维廷姜振殿田笑赵琦闫爱国马勇郭涛郑磊胡芳肖瑞瑞
Owner WENSHANG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO