双绕组双速感应电动机变极过程的节能分析

The Analysis of Energy Saving in the Process of Pole Changing Control for Double Winding Double Speed Induction Motor

在双绕组双速感应电机变极调速时，采用两种极数的绕组串联运行，经过计算和实测结果表明，这是降低变极调速过程中的电气损耗、提高节能效果的有效方法，尤其适用于塔机起升机构多速电动机变极调速．

This paper proposes the method, in which a double winding and double speed induction motor under winding series for two kinds of poles in the process of pole changing control. Calculating and testing show it is an effective method for decreasing the electrical loss and improving the effect of energy saving.