线路电压互感器故障对系统造成的危害  

Harm done by the failure of the circuitry PT to the power system

作　　者：孙平原 熊健[1] 吴群[1] 

机构地区：[1]江西九江供电公司,江西九江332000

出　　处：《江西电力》2007年第3期43-44,共2页Jiangxi Electric Power

摘　　要：介绍了由于线路电压互感器(PT)故障,造成二次交流电压系统两点接地,对保护及系统安全运行带来不利影响,并通过分析故障产生的原因,提出了相应的防范措施。This paper introduced two point grounding of the secondary alternating voltage system by the failure of circuitry PT,the disadvantage influence on the protection and system safety operation,analyzed reasons of the failure,put forward the corresponding keeping away measures.

关 键 词：线路 电压互感器 故障 危害 措施 

分 类 号：TM451[电气工程—电器]