马静;王希;米超;王增平;

• 1:新能源电力系统国家重点实验室(华北电力大学)

摘要(Abstract)：

提出了一种适用于分布式电源(distributed generation,DG)接入的配电网自适应保护新方法。该方法根据系统的运行方式和网络的拓扑结构,对保护背侧网络进行等值变换,并根据支路贡献因子矩阵,消除DG对各支路电流的影响,在此基础上,构造配电网自适应主保护和后备保护判据。与传统电流保护相比,该方法增大了主保护和后备保护的保护范围,计算简单,易于整定。仿真结果表明,该方法不受DG接入的影响,在对称故障或不对称故障情况下均能实现保护的自适应功能。

关键词(KeyWords)： 分布式电源;自适应保护;等值变换;支路贡献因子矩阵

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划项目(973项目)(2009CB219704);; 国家自然科学基金项目(50907021,50837002,50920105705);; “111”引智计划(B08013);; 中央高校基本科研业务费专项资金项目(11MG01,09QX64)~~

作者(Author): 马静;王希;米超;王增平;

Email:

DOI: 10.13335/j.1000-3673.pst.2011.10.018

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