Research on fault location in a distribution network based on an immune binary particle swarm algorithm

被引：0
|
作者：
Zhao Q. [1 ]
Wang Z. [1 ]
Dong W. [1 ]
Bao W. [2 ]
机构：
[1] State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing
[2] Zhengzhou Power Supply Company, State Grid Henan Electric Power Company, Zhengzhou
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2020年 / 48卷 / 20期
关键词：
Distribution network; Fault location; Immune mechanism; Particle swarm optimization;
D O I：
10.19783/j.cnki.pspc.191527
中图分类号：
学科分类号：
摘要：
The binary particle swarm optimization algorithm has shortcomings, such as slow convergence and the fact that it is easy for it to fall into the local optimal solution. Here a fault location method based on immune binary particle swarm optimization algorithm is proposed. First, the information processing mechanism of the immune system is applied to improve the particle swarm algorithm, and memory cell units are built to store high-quality antibodies during population evolution to avoid population degradation after antibody population updating. Secondly, the mechanism of antibody concentration regulation and immune selection are introduced to maintain the diversity of the antibody population, strengthen the global search ability of the algorithm and prevent premature algorithm. Finally, the improved algorithm is applied to the fault location of a distribution network by constructing an affinity evaluation function. The simulation results show that the algorithm based on immune binary particle swarm optimization can effectively improve the convergence speed and fault location accuracy, and has good fault tolerance in the case of fault information distortion. © 2020, Power System Protection and Control Press. All right reserved.
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页码：83 / 89
页数：6
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