摘要
造成三相电动机损坏的主要原因是缺相启动和运行。针对不同的电源条件并结合多年实践经验给出了2种三相电动机缺相保护电路图,并分析了这2种保护电路的工作原理和优缺点。
The major reason that cause the three - phase motor to damage is phase - lacking runing and start . Gaves out 2 kinds of three - phase motors phase - lacking protection circuit picture in according to the different power supply conditions and combine many years practice experience, analyses the working principles and the advantages and disadvantages of these 2 kinds of protection circuits.
出处
《煤矿机械》
北大核心
2006年第8期154-156,共3页
Coal Mine Machinery
关键词
缺相
功率因数
接触器
phase - lacking
power factor
contactor
