交流电机频率特性及参数的测取

Measurement of Frequency Characteristics and Parameters in Induction Motors

本文论述了用近似方波电源测取异步电机频率特性的原理和方法,利用所测频率特性计算了异步电动机的工作特性和机械特性并与实测结果相比较,结果表明该方法简单易行且具有较高的精度,适于实际应用。

This paper describes the theory and method of using approximate square waveform supply for determining the frequency characteristics of induction motor.The work ch- aracteristics and mechanical characteristics of induction motor were calculated by us- ing frequency characteristics and compared with the load test results,which shows that this method has high accuracy and applicability in the practical field.