Power distribution network line fault detecting system and method

A line fault and detection system technology, applied in the fault location, information technology support system and other directions, can solve the problem of difficult to determine the fault line and line branches, complex branch lines of the distribution network line structure, increase the maintenance and operation inspection of the power supply company Cost and other issues, to achieve the effect of rapid fault recovery and power supply, convenient inspection and troubleshooting, and high positioning accuracy

Active Publication Date: 2016-02-17
STATE GRID CORP OF CHINA +2
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Problems solved by technology

[0002] The structure of the distribution network line is complex, there are many branch lines, and the neutral point of the distribution network line is mostly ungrounded or grounded through the arc suppression coil, which makes it difficult to judge when...

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  • Power distribution network line fault detecting system and method
  • Power distribution network line fault detecting system and method
  • Power distribution network line fault detecting system and method

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0035] Such as figure 1 As shown, the distribution network line fault detection system of the present invention includes a current collection unit 1, a current collection unit communication module 2, a distribution network line fault detection analysis background 3 and a mobile phone fault location display unit 4, a current collection unit 1, a current collection unit The communication module 2, the distribution network line fault detection and analysis background 3 and the mobile phone fault location display unit 4 are connected in sequence.

[0036] The current acquisition unit 1 includes an arc-shaped iron-core current transformer, a microprocessor, a ZIGBEE wireless communication module and a power supply module, the arc-shaped iron-core current transformer is connected to the microprocessor through an integrating circuit, and the ZIGBEE wireless co...

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Abstract

The invention discloses a power distribution network line fault detecting system and method. The power distribution network line fault detecting system comprises a current collecting unit, a current collecting unit communication module, a power distribution network line fault detecting analysis background and a mobile phone fault positioning display unit which are sequentially connected. The power distribution network line fault detecting system directly positions a fault line or a branch line of the line, the positioning precision is higher, line operation inspecting personnel can perform quick inspection and fault removal of a line fault more conveniently, the inspection work amount of the line operation inspecting personnel is greatly decreased, and therefore the inspecting personnel can quickly remove the power distribution network line fault.

Description

technical field [0001] The invention belongs to the field of power grid fault detection, and in particular relates to a distribution network line fault detection system and method. Background technique [0002] The structure of the distribution network line is complex and there are many branch lines. In addition, the neutral point of the distribution network line is mostly ungrounded or grounded through the arc suppression coil, which makes it difficult to judge when the distribution network line fails. Faulty lines and line branches require the power supply department to deploy a large number of line inspection and troubleshooting personnel, which increases the maintenance and inspection costs of the power supply company. [0003] At present, the following two schemes are usually adopted for the detection of distribution network line faults: (1) Use the small current grounding system analysis software of the substation, which uses the large zero-sequence current or The zer...

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Application Information

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IPC IPC(8): G01R31/08
CPCY04S10/52
Inventor 赵志健刘守明史宏伟赵国生李峰王军刘阳
Owner STATE GRID CORP OF CHINA
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