Power distribution network fault detection apparatus, system and method

A power distribution network and fault detection technology, which is applied in fault location, information technology support system, fault detection according to conductor type, etc., can solve the problem of low detection accuracy

Inactive Publication Date: 2020-02-25
SHENZHEN POWER SUPPLY BUREAU
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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 power distribution network fault detection devi

Method used

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  • Power distribution network fault detection apparatus, system and method
  • Power distribution network fault detection apparatus, system and method
  • Power distribution network fault detection apparatus, system and method

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Embodiment Construction

[0047] In order to make the purpose, technical solution and advantages of the present application clearer, the power distribution network fault detection device, system and method of the present application will be further described in detail through the following embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

[0048]The serial numbers assigned to components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. The "connection" and "connection" mentioned in this application all include direct and indirect connection (connection) unless otherwise specified. In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal...

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Abstract

The present application relates to a power distribution network fault detection apparatus, system and method. The power distribution network fault detection apparatus comprises at least two voltage acquisition devices, at least two current acquisition devices, and a distribution transformer terminal. The distribution transformer terminal can determine a fault between an outlet terminal of a high-voltage end device and an inlet terminal of a low-voltage end device according to a first voltage and a first current, and determine a fault between an outlet terminal of the low-voltage end device andan inlet terminal of a user side device according to a second voltage and a second current. When an abnormality occurs in any parameter of the first voltage, the first current, the second voltage andthe second current, a specific section of the power distribution network can be determined according to the abnormal parameter. Therefore, the staff can quickly locate the fault, and further investigate and repair the fault. The apparatus, system and method solve the technical problem of low precision of power distribution network fault detection in the prior art, and achieve the technical effectof improving the precision of power distribution network fault detection.

Description

technical field [0001] The present application relates to the technical field of power grid operation and maintenance management, in particular to a power distribution network fault detection device, system and method. Background technique [0002] Power distribution network operation and inspection is the abbreviation of power distribution network operation and maintenance and maintenance, mainly including operation, maintenance, inspection and debugging, transformation and replacement of power distribution network equipment including substation internal equipment, power transmission equipment and user-end equipment. . The daily inspection and maintenance of the power distribution network is a very important link in the operation and inspection of the power distribution network. [0003] At present, the daily inspection and maintenance of my country's power distribution network is mainly based on manpower on-site input. The power distribution network is complex, and there...

Claims

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Application Information

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IPC IPC(8): G01R31/08
CPCG01R31/086Y04S10/52
Inventor 刘俊魏华杰陈远良杨京京姚禧罗霄杨祥勇宋正坤刘琨琳
Owner SHENZHEN POWER SUPPLY BUREAU
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