Power distribution network line fault monitoring system

A line fault and monitoring system technology, applied in the direction of fault location, electrostatic field measurement, information technology support system, etc., can solve problems such as current detection line faults of detection lines, improve reliability, shorten fault recovery time, and avoid cost long time effect

Pending Publication Date: 2022-04-08
STATE GRID HENAN ELECTRIC ZHOUKOU POWER SUPPLY +1
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  • Abstract
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  • Claims
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Problems solved by technology

However, the system cannot detect line faults by detecting line current and electric field to ground

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  • Power distribution network line fault monitoring system

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[0020] The technical solutions in some embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments provided in the present disclosure belong to the protection scope of the present disclosure.

[0021] Unless the context requires otherwise, throughout the specification and claims, the term "comprising" is interpreted in an open and inclusive sense, ie "including, but not limited to". In the description of the specification, the terms "one embodiment", "some embodiments", "exemplary embodiment", "example" or "some examples" are intended to indicate specific features, structures related to the embodiment or examples , material or characteristic is included in at least one embodiment or example of the p...

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Abstract

The invention discloses a power distribution network line fault monitoring system, and relates to the field of power distribution line monitoring. The embodiment of the invention provides a power distribution network line fault monitoring system, which comprises a line, and an acquisition unit, a collection unit and a master station monitoring platform which are wirelessly connected with one another, the line is provided with a plurality of monitoring points, and the acquisition units are arranged at the monitoring points and are used for acquiring line information and wirelessly transmitting the line information to the main station monitoring platform through the collection unit; the acquisition unit comprises a current detection module used for detecting line current; and the to-ground electric field detection module is used for detecting the to-ground electric field of the line. According to the power distribution network line fault monitoring system provided by the embodiment of the invention, the line fault type can be accurately detected by accurately measuring the line current, and the fault section can be quickly positioned, so that the response and processing time of the line fault is shortened, and the power supply reliability is improved.

Description

technical field [0001] The present application relates to the field of distribution line monitoring, in particular to a distribution network line fault monitoring system. Background technique [0002] The smart distribution network is an important link in the construction of the smart grid. The ground cable is the most common distribution line in the city at present. The line corridor is wide and the terrain is complex. The operation and maintenance work is relatively complicated, and the line is prone to various faults such as short circuit and grounding. . [0003] At present, enterprises in the power industry usually install fault indicator short-circuit probes and fault indicator grounding probes on the line. When a short circuit or ground fault occurs on the line, the short circuit and ground fault indicators detect the fault information, and the operation and maintenance personnel manually check the fault status of each probe. However, this method increases the diffi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/08G01R15/18G01R19/00G01R29/12
CPCY04S10/52
Inventor 不公告发明人
Owner STATE GRID HENAN ELECTRIC ZHOUKOU POWER SUPPLY
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