摘要
对三相鼠笼转子异步电动机在轻载时采用降压方法运行时的效率η和功率因数ｃｏｓ进行了定性和定量的分析，说明轻载时采用降压运行，可以达到节能的效果。
his paper discusses the efficiency and the power factor cos of three phase squirrel-cage induction motors running at light load by reducing the voltage. The analysis reveals that the operation has important significance in saving power.
出处
《武汉化工学院学报》
1994年第2期36-39,共4页
Journal of Wuhan Institute of Chemical Technology
关键词
效率
功率因数
铜耗
铁耗
负载率
fficiency
Power factor
I2r-losses
Core losses
Load ratio
