母差和失灵保护动作后促使对侧快速跳闸的实现方式  

Implementation of Forced Fast Tripping of Offside Switch after Busbar Differential Protection and Breaker Failure Protection

作　　者：余平 简兆晨 

机构地区：[1]清江隔河岩水力发电厂,湖北长阳443503

出　　处：《水电与新能源》2014年第7期67-68,74,共3页Hydropower and New Energy

摘　　要：当故障发生在断路器和CT之间,或当失灵保护动作时,需要本侧与对侧配合促使对侧开关快速跳闸,达到切除故障,提高系统稳定性的目的,以隔河岩电厂实际接线为例,阐述了当母差、失灵保护动作时促使对侧快速跳闸的实现方式。When a fault occurs between the local breaker and CT , or the failure protection is started , a forced fast tripping of offside switch should be done with the united action of onside and offside devices to isolate the fault and improve the stability of the system .In this paper , some implementation techniques for such forced fast tripping of offside switch after busbar differential protection and breaker failure protection adopted in Geheyan hydropower station are introduced .

关 键 词：光纤纵联差动保护 高频保护 母线故障 保护动作 远跳功能 

分 类 号：TM645.11[电气工程—电力系统及自动化]