摘要
针对执行"民规"7.5.2及7.5.3条的规定及在工程设计中采用四极开关的情况,作者对变压器低压总开关及母联开关选用四极开关的做法提出了不同看法。
According to the situation when implementing of item 7.5.2 and 7.5.3 of ＂Code for Electrical Design of Civil Buildings＂ and using the four-pole switch in engineering design, the authors put forward their different opinions on the way to select four-pole switch for LV main switch and bus-connection switch of transformers, and make an analysis in detail.
出处
《智能建筑电气技术》
2012年第1期36-37,共2页
Electrical Technology of Intelligent Buildings
关键词
四极开关
PEN线
N线
PE线
短接
four-pole switch, PEN line, N line, PE line, short circuit
