远极比三速感应电动机多极时的性能计算

The Performance Calculation for Multi Pole Operation of Wide Pole Ratio Three Speed Induction Motor

根据远极比三速感应电动机多极时特点，在现有电机电磁计算程序的基础上，提出了多极时改进的等效电路和性能计算方法．通过算例与样机试验结果的对比，其计算精度优于其他的计算方法．

According to multi pole operating characteristics of wide pole ratio three speed induction motor,an improved equivalent circuit and a method of performance calculation,based on available design program of induction motor,are proposed.Comparing the results of calculation with those of sampling test,this method is superior to other method in accuracy.