单相串励电动机扭转振动检测与特性分析

Characteristics Analysis and Detection of Torsional Vibration for Single Phase Series Motor

阐述了单相串励电动机的工作原理,建立了对应的数学模型,推导了电磁转矩表达式。对单相串激电动机在多种工况运行下的扭转振动进行了检测,得到了电动机的负载-扭转振动特性,以及电压-扭转振动特性。对相关特性的产生机理进行了分析,根据单相串励电动机的转矩表达式和转矩平衡方程得到了相应的结论,为单相串励电动机扭转振动的抑制提供了技术支撑。

The working principle of single phase series motor is described, and the corresponding mathematical model is established, also the expression of electromagnetic torque is deduced. The torsional vibration of single phase series motor is detected under various operating conditions, the torsional vibration-load characteristics and torsional vibration-voltage characteristics are obtained. The theoretical analysis is carried out to obtain the corresponding conclusion, according to the torque expression and torque balance equation of single-phase series motor, which provides an technical support for the torsional vibration suppression of single phase series motor.