摘要
本文从理论分析入手，借助调整电机参数的方法，阐述采用较大起动转矩倍数的同时，尽量减少效率降低影响的可能性。
The author begins with theroy analysis,by using the method of modulating motor parameter,and elucidates the probability of reducing the influence of efficiency’s descent as far as possible while taking bigger starting torque ratio.
