基于综合序分量的输电线路接地距离继电器研究  

Study of the earth fault distance relay based on combined sequence components

作　　者：邓妍[1] 邰能灵[1] 

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200240

出　　处：《继电器》2006年第8期17-19,39,共4页Relay

基　　金：许继电力科技基金资助项目;上海高校优秀青年教师后备人选科技基金资助项目

摘　　要：提出一种用零序分量做动作量,负序分量做制动量的综合序分量接地距离继电器。这种继电器以工频变化量原理为基础,能够明确区分区内、区外故障。并且动作量和制动量都能够自适应于运行状况,不受系统运行方式的影响,因此有很高的保护灵敏度。新方法原理简单,无需调整动作门槛,容易实现。大量ATP仿真试验证明新方法具有较好的保护性能。An earth fault distance relay based on the combined sequence components is presented. The new scheme uses zero sequence components as operation component and negative sequence components as restraint component to discriminate whether the fault is in the internal or external zone. As the sequence components are adaptive to the system operation conditions, it will obtain high sensitivity. Simulation results show the new distance relay has good performance in different conditions.

关 键 词：零序分量 负序分量 接地距离保护 

分 类 号：TM581[电气工程—电器]