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Power distribution network fault detection device and system

A technology of distribution network fault and detection device, applied in the field of power grid, can solve problems such as low troubleshooting efficiency, achieve the effect of high fault troubleshooting efficiency and easy maintenance

Pending Publication Date: 2022-03-01
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a distribution network fault detection device and system for the low efficiency of the traditional distribution network fault detection method.

Method used

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  • Power distribution network fault detection device and system
  • Power distribution network fault detection device and system
  • Power distribution network fault detection device and system

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Embodiment Construction

[0034] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the related drawings. The preferred embodiments of the present application are shown in the accompanying drawings. However, the application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the disclosure of this application is provided.

[0035] see figure 1 , A distribution network fault detection device, comprising: a power signal acquisition circuit 10 for collecting three-phase voltage and three-phase current of the distribution network; voltage and three-phase current to obtain the telemetry operating parameters of the distribution network; the signal processing circuit 30, connected to the power metering circuit 20, is used to perform fault diagnosis on the distribution network according...

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Abstract

The invention relates to a power distribution network fault detection device and system, three-phase voltage and three-phase current of a power distribution network are acquired through an electric power signal acquisition circuit and then transmitted to an electric power metering circuit for analysis to obtain remote measurement operation parameters related to the power distribution network, and the parameters are sent to a signal processing circuit for fault analysis. And finally, a fault diagnosis result about whether the power distribution network has a fault or not and which position has the fault is obtained at the signal processing circuit. Meanwhile, the power distribution network fault detection device is further provided with a wireless communication circuit, and the signal processing circuit can send a finally obtained fault diagnosis result and / or telemetering operation parameters obtained through analysis to a user terminal through the wireless communication circuit. Through the scheme, automatic fault detection operation of the power distribution network can be realized, a large amount of manpower is not needed for troubleshooting, a user can intuitively obtain whether the power distribution network has a fault or not and the position of the fault at the user terminal, and the method has relatively high troubleshooting efficiency.

Description

technical field [0001] The present application relates to the technical field of power grids, and in particular, to a fault detection device and system for a power distribution network. Background technique [0002] The distribution network refers to the power network that receives electrical energy from the transmission network or regional power plants, and distributes it locally or gradually by voltage to various users through distribution facilities. It is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators and some auxiliary facilities, and plays an important role in distributing electric energy in the power network. The distribution lines of the distribution network have a long distance, many branches and a network structure, and faults are easy to occur in the process of power transmission. Therefore, it is particularly important to troubleshoot the distribution network. [0003] The traditional troubl...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/08
CPCG01R31/08Y04S10/52
Inventor 黄向成葛馨远陈剑
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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