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Method and system for analyzing and processing fault tripping event of high-voltage transmission long line

A line fault analysis and processing technology, applied to electrical components, fault locations, circuit devices, etc., can solve problems such as line impact and time-consuming search, and achieve the effect of improving work efficiency and reducing analysis time

Active Publication Date: 2022-07-01
FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID
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Problems solved by technology

[0005] In view of this, the present invention aims to solve the problem that the existing line failure station process is only isolated and relatively one-sided to search and analyze the event situation, resulting in the need to spend a lot of time to search and may analyze the situation unclear. second impact problem

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  • Method and system for analyzing and processing fault tripping event of high-voltage transmission long line
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  • Method and system for analyzing and processing fault tripping event of high-voltage transmission long line

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Embodiment Construction

[0059] In order to make the purposes, features and advantages of the present invention more obvious and understandable, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the following description The embodiments described above are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0060] With the continuous advancement of unmanned substations, staff need to go to the site to check in time after a substation incident occurs, but most of the substations are located in remote areas, which makes it take a long time for staff to arrive at the station. In addition, pro...

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Abstract

The invention provides a high-voltage transmission long line fault trip event analysis processing method and system, and the method comprises the steps: carrying out the fault judgment and processing according to the motion information and time mark information of each monitoring device on a line, and continuing the subsequent steps if each monitoring device on the line has no fault; acquiring environmental parameters of the line, and calculating the correlation between the line fault and the external influence factors by using a correlation calculation method; determining influence factors of the line fault based on correlation, and extracting historical data to further determine and process the influence factors of the line fault; and performing fault judgment and processing on the line equipment, the line control loop and background signals based on the health degrees of the line primary and secondary equipment. According to the invention, the fault conditions of the power transmission line and related devices are effectively analyzed and judged by integrating monitoring data in various aspects, help can be provided for workers to quickly and comprehensively analyze line problems, the analysis time is shortened, and the working efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of power grid dispatching automation, and in particular relates to a method and system for analyzing and processing fault tripping events of long high-voltage transmission lines. Background technique [0002] With the continuous advancement of unmanned substations, staff need to go to the site to check in time after a substation event occurs, but most of the substations are located in remote areas, which makes it take a long time for staff to arrive at the station. In addition, problems such as bad weather will hinder the on-site inspection work of the staff. [0003] At present, the process in the line fault station is that after the line trips, the operator responsible for equipment monitoring may not check the equipment in the substation on the spot, but should make full use of the existing monitoring system to obtain information and analyze it, and report to the dispatcher on duty within 12 minutes if an...

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Application Information

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IPC IPC(8): H02J13/00H02H7/26G01R31/08G06V20/17G06V20/52
CPCH02J13/00002H02J13/00001H02J13/00034H02J13/0004H02H7/263G01R31/088G01R31/085Y04S10/16
Inventor 雷剧璋
Owner FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID
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