电压互感器开口三角接线正确的重要性  

Importance of Correct Connection of Voltage Transformer with Open-delta Connection

作　　者：李兰民 吴晓蓓[1] 肖虎[1] 

机构地区：[1]黄龙滩电厂,湖北十堰442005

出　　处：《湖北电力》2005年第6期61-62,共2页Hubei Electric Power

摘　　要：通过分析两起母线电压互感器开口三角形接线错误引起的保护不正确动作,从而说明在系统发生接地故障时电压互感器开口三角形接线正确的重要性。Through analyzing the two cases of protection malfunction due to incorrect connection of open-delta connection of busbar voltage transformer,the importance of correct connection of open-delta connection when earthing fault occurring in a power system was explained.

关 键 词：电压互感器 开口三角形接线 重要性 

分 类 号：TM451[电气工程—电器]