低压配电短路电流检测与分断机构技术  

Short Circuit Fault Current Detection and Rapid Breaking Actuator Technologies of Low Voltage Distribution System

作　　者：郭银婷[1] 缪希仁[1] 

机构地区：[1]福州大学电气工程与自动化学院,福建福州350108

出　　处：《低压电器》2013年第7期18-22,共5页Low Voltage Apparatus

基　　金：福建省高校产学合作科技重大项目(2011H61010008)

摘　　要：介绍了短路故障的危害。分析了目前低压配电系统短路故障识别方法的研究及应用现状。指出了各种短路故障识别方法的技术特点、局限性及不足。综合分析了短路故障快速分断机构技术。提出短路故障早期检测与快速分断机构有机结合的技术趋势,研制具有这种技术特性的控制和保护的集成电器是智能低压配电系统产品的技术方向。This paper introduced the harm of short circuit fault and analyzed the current research of identification method of the short circuit fault in low voltage distribution system. Especially, the technical characteristics of a variety of identification methods of short circuit fault were analyzed. The rapid breaking actuator technologies of low voltage distribution system were summarized. This paper presents the principle and tendency of integrated electrical technology used in the early stage of breaking fault in distribution system. The technology can extract short circuit fault feature in distribution system effectively with the rapid breaking actuator.

关 键 词：低压配电 短路电流 快速分断机构 集成电器 

分 类 号：TM713[电气工程—电力系统及自动化]