几例WXB-11型微机保护转换性故障误动分析  

Some examples of maloperation of WXB-11 microprocessor based protection at transitional fault

作　　者：白铮 田伟 肖荣国 

机构地区：[1]黑龙江省电力调度局,黑龙江哈尔滨150000

出　　处：《继电器》2000年第5期47-50,共4页Relay

摘　　要：文章对黑龙江省 2 2 0kV电网近几年WXB_1 1型微机高频保护在系统发生转换性故障时发生误动进行了分析 ,说明了误动的原因 。It is presented in this paper that an analysis is done on maloperation of WXB_11 microprocessor based HF protection at transitional fault in Heilongjiang 220kV network in recent years. The causes of maloperation are described and its solving way is presented.

关 键 词：转换性故障 高频保护 微机保护 误动分析 电网 

分 类 号：TM771[电气工程—电力系统及自动化]