摘要
文章指出了三相四线有功电能表零线采用T接或叉接的必要性,分析了三相四线有功电能表经电流互感器接入时三相二次回路共用并一点接地的弊端,提出了三相四线有功电能表经电流互感器接入时的正确接线方式。
The article describes the necessary of T- connecting or forked connecting of three - phase and fourwire active energu meter by the zero wire, analyzes the limitation of the thre - phase circuit when three - phase and four - wire electric energy meter connects in through the current inductor, then introduces the correct wiring method.
出处
《包钢科技》
2009年第1期45-46,63,共3页
Science & Technology of Baotou Steel
关键词
三线四线有功电能表
电流互感器
零线
T接
叉接
接地
three - phase and four - wire active energy meter
current inductor
zero
T - connecting
forked connecting
grounding
