三绕组单相感应电动机运行性能分析

Performance analysis of three-winding single-hase induction motors

利用对称分量法对三绕组单相感应电动机运行状态进行了分析,导出了对称运行时所要求的绕组匝比及电容值的计算方法,讨论了对称运行条件下不同匝比和电容值对电机运行性能的影响,针对效率最高给出了最佳匝比和电容值的确定方法,样机试验证明了分析方法和结果的正确性.

Performance of threewinding singlephase induction motors based on symmetrical components method is analyzed. The calculated method of turns ratio and capacitance is derived for symmetrical operation.The influence of turns ratio and capacitance on performance is discussed.The theoretical analysis is validated by experiments test motor. Keyr words:induction motor; symmetrical components method; symmetrical operation