李维波, 张茂杰, 徐成虎, 等. 基于免疫模型与改进免疫算法的岛礁分布式供电系统故障定位方法[J]. 中国舰船研究, 2024, 19(X): 1–10. doi: 10.19693/j.issn.1673-3185.03598
引用本文: 李维波, 张茂杰, 徐成虎, 等. 基于免疫模型与改进免疫算法的岛礁分布式供电系统故障定位方法[J]. 中国舰船研究, 2024, 19(X): 1–10. doi: 10.19693/j.issn.1673-3185.03598
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LI W B, ZHANG M J, XU C H, et al. Fault location method for island and reef distributed power supply system based on immune model and improved immune algorithm[J]. Chinese Journal of Ship Research, 2024, 19(X): 1–10 (in Chinese). doi: 10.19693/j.issn.1673-3185.03598
Citation: LI W B, ZHANG M J, XU C H, et al. Fault location method for island and reef distributed power supply system based on immune model and improved immune algorithm[J]. Chinese Journal of Ship Research, 2024, 19(X): 1–10 (in Chinese). doi: 10.19693/j.issn.1673-3185.03598
shu

基于免疫模型与改进免疫算法的岛礁分布式供电系统故障定位方法

Fault location method for island and reef distributed power supply system based on immune model and improved immune algorithm

    摘要
  • 摘要:
    目的 对于由多个分布式电源构成的岛礁电力系统，为了提高其故障定位的快速性和准确性，提出一种基于免疫模型与改进免疫算法的岛礁电力系统故障定位方法。
    方法 首先，利用免疫模型将岛礁供电系统区段划分为包含监测点的若干个小区段，根据监测的故障电流信号来确定故障点所在的小区段，以最大限度地缩小故障判定范围；然后，针对该小区段故障点进行编码，并借助改进免疫算法生成抗体种群，进而对故障区段快速地进行二次精确定位，同时大幅降低计算量。
    结果 根据典型岛礁供电系统的Matlab仿真验证结果，免疫模型与改进免疫相结合的算法可以实现岛礁电力系统在不同故障工况下的快速故障定位，具有定位精度高、计算量小、求解速度快等优势。
    结论 研究成果可为岛礁电力系统设计提供参考。

     

    Abstract:
    Objectives For the island power system composed of multiple distributed power sources, in order to improve the rapidity and accuracy of fault location, a fault location method for island power system based on immune model and improved immune algorithm is proposed.
    Methods Firstly, the immune model is used to divide the island power supply system section into several cell sections containing monitoring points. According to the monitored fault current signal, the cell section where the fault point is located is determined to minimize the fault determination range. Then, the fault points of the cell section are coded, and the antibody population is generated by the improved immune algorithm, so that the fault section can be quickly and accurately located twice, and the calculation amount is greatly reduced.
    Results According to the Matlab simulation results of the typical island power supply system, the algorithm combining the immune model and the improved immune can realize the rapid fault location of the island power system under different fault conditions, and has the advantages of high positioning accuracy, small calculation amount and fast solution speed.
    Conclusions The research results can provide reference for the design of island power system.

     

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