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含分布式电源的配电网启发式孤岛划分方法∗

汪沨 曾业运 陈春 刘蓓 董旭柱

湖南大学学报(自然科学版)Issue(8):59-65,7.
湖南大学学报(自然科学版)Issue(8):59-65,7.

含分布式电源的配电网启发式孤岛划分方法∗

A Heuristic Islanding Algorithm of Distribution System with Distributed Generation

汪沨 1曾业运 1陈春 1刘蓓 1董旭柱2

作者信息

  • 1. 湖南大学 电气与信息工程学院,湖南 长沙 410082
  • 2. 南方电网电力科学研究院,广东 广州 510000
  • 折叠

摘要

Abstract

With plenty of distributed generators connected to distribution system,island operation can be used as a new fault recovery approach to ensure the power supply of critical loads.A heuristic islanding algorithm based on dis-tance-weight was proposed,taking the maximum recovered critical load as the main target,considering the pact of va-rious operation constraints and uncontrolled loads of the distribution networks,introducing distance-weight which re-presents the distance between the objective load and the island to find out which load is the nearest to the current is-land and should be recovered first.The initial island is composed of all the DGs and some branches between them,and then enlarged by merging the nearest load among all the considered loads.Finally,it will get security assessment and be regulated.Simulation results have demonstrated that the proposed algorithm can generate a reasonable islanding scheme after a fault occurs.

关键词

计划孤岛/分布式电源/配电网/距离权重

Key words

intentional islanding/distributed generation/distribution system/distance-weight

分类

信息技术与安全科学

引用本文复制引用

汪沨,曾业运,陈春,刘蓓,董旭柱..含分布式电源的配电网启发式孤岛划分方法∗[J].湖南大学学报(自然科学版),2015,(8):59-65,7.

基金项目

国家高技术研究发展计划(863计划)资助项目(2011AA05A114) (863计划)

湖南大学学报(自然科学版)

OA北大核心CSCDCSTPCD

1674-2974

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