纵向零序电压保护及其误动原因简析  

Longitudinal zero sequence voltage protection and its malfunction analysis

作　　者：谢勇[1] 马晶晶[1] 

机构地区：[1]华能玉环电厂,浙江玉环317604

出　　处：《华电技术》2010年第1期46-48,共3页HUADIAN TECHNOLOGY

摘　　要：介绍了发电机纵向零序电压匝间保护的基本原理及实际的定值整定,分析了零序电压保护误动的原因,针对现场零序电压保护的各种误动因素,提出了预防措施和解决方法。The fundamental principle and actual settings of reference of longitudinal zero sequence voltage interturn protection of generator were introduced.The reasons of malfunction of zero sequence voltage protection were analyzed.Aiming at various field reasons of malfunction of zero sequence voltage protection,the solving methods and preventative measures were proposed.

关 键 词：发电机匝间保护 基本原理及构成 定值整定 误动原因 预防措施 

分 类 号：TM863[电气工程—高电压与绝缘技术]