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Power distribution network fault positioning method based on hybrid immune algorithm

A technology of distribution network fault and locating method, applied in fault location, fault detection according to conductor type, measurement of electricity, etc., can solve the problems of slow speed and poor fault location accuracy, and achieves to improve speed and efficiency, improve efficiency, avoid The effect of quickly falling into a local optimum

Active Publication Date: 2018-03-30
湖北首通电磁线科技股份有限公司
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Problems solved by technology

[0004] The embodiment of the present application solves the problem of poor accuracy and slow speed of distribution network fault location in the prior art by providing a distribution network fault location method based on a hybrid immune algorithm

Method used

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  • Power distribution network fault positioning method based on hybrid immune algorithm
  • Power distribution network fault positioning method based on hybrid immune algorithm
  • Power distribution network fault positioning method based on hybrid immune algorithm

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Embodiment Construction

[0053] The embodiment of the present application solves the problem of poor accuracy and slow speed of distribution network fault location in the prior art by providing a distribution network fault location method based on a hybrid immune algorithm.

[0054] The technical solution of the embodiment of the present application is to solve the above-mentioned technical problems, and the general idea is as follows:

[0055] A fault location method for distribution network based on hybrid immune algorithm. The immune network method is used to screen the candidate nodes of the fault source; if the obtained candidate solution of the fault source only includes one node, the fault source is output; If there are more than one, the immune algorithm is used to further diagnose the initially determined fault subset to determine the fault node.

[0056] The invention proposes the fault location of the distribution network based on the hybrid immune algorithm, and divides the fault location ...

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Abstract

The invention belongs to the technical field of an intelligent power grid, and discloses a power distribution network fault positioning method based on a hybrid immune algorithm. The method comprisesthe steps of screening fault source candidate nodes by means of an immune network method; if an obtained fault source candidate solution only comprises one node, outputting the fault source; and if aplurality of fault source candidate solutions are obtained, performing further diagnosis on the preliminarily determined fault subset by means of an immune algorithm, and determining the fault node. The power distribution network fault positioning method settles problems of relatively low accuracy and relatively low speed in power distribution network fault positioning in prior art and realizes atechnical effect of improving fault positioning speed and efficiency.

Description

technical field [0001] The invention relates to the technical field of smart grids, in particular to a fault location method for a distribution network based on a hybrid immune algorithm. Background technique [0002] Distribution automation is an important means to improve the intelligence and self-healing of distribution network. Among them, feeder automation is one of its main functions, that is, after the distribution network fails, the fault section can be quickly found and isolated according to the fault information reported by the feeder terminal unit, and the power supply of non-fault outage loads can be quickly restored. Fault section location in distribution network is the basis of feeder automation and is of great significance for improving power supply reliability. [0003] At present, the methods of reporting fault information to the distribution network feeder terminal unit for fault location are mainly divided into two categories: one is the fault location me...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/08
CPCG01R31/086G01R31/088
Inventor 常雨芳蔡华洵龚梦谢昊张力刘光裕邱春辉孙超杰高翔陈健钟擎天
Owner 湖北首通电磁线科技股份有限公司
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