基于剩余电流保护器的微电网复合保护小型断路器的研制  

Development of Microgrid Compound Protection Miniature Circuit Breaker Based on Residual Current Protector

作　　者：薛冰 杨然 杨欢红 孙诗晴 沈淼 程祥群 XUE Bing;YANG Ran;YANG Huanhong;SUN Shiqing;SHEN Miao;CHENG Xiangqun(State Grid Xuancheng Electric Power Supply Company,Xuancheng 242000,China;Shanghai University of Electric Power,Shanghai 200090,China)

机构地区：[1]国网安徽省电力有限公司宣城供电公司,安徽宣城242000 [2]上海电力大学,上海200090

出　　处：《电器与能效管理技术》2022年第6期75-79,共5页Electrical & Energy Management Technology

基　　金：国网安徽省电力有限公司科技项目资助(B31205210002)。

摘　　要：微电网系统含有大量电力电子变流器,针对变流器设备的特殊要求(过电压的快速保护、孤岛效应的辅助保护),现有的小型断路器的简单保护功能已无法满足,提出一种基于剩余电流保护器的微电网复合保护小型断路器。所提的小型断路器能够实现系统过电压的速断保护,以及孤岛效应的辅助保护,具备较好的实用价值。Microgrid system contains a large number of power electronic converters.Due to the special requirements of converter equipment,such as the fast overvoltage protection and the auxiliary protection of islanding effect,the simple protection function of the existing miniature circuit breaker is insufficient.A new composite protection circuit breaker based on the existing residual current protector is proposed,which can realize the quick break protection of system overvoltage and the auxiliary protection of islanding effect.The proposed miniature circuit breakd has good practical value.

关 键 词：微电网 过电压保护 孤岛效应 断路器 剩余电流保护器 

分 类 号：TM561[电气工程—电器]