motor efficiency

reduced unevenness in clearance of the stator and rotor, enhanced motor efficiency;

减小定、转子间隙的不均匀度，增加电机效率；

the four-shaded pole asynchronous motor stator of the invention can improve motor efficiency and motor torque.

本发明能够提高电机效率和电机扭矩。

Imagine, if increase 1% in motor efficiency, it would save more than 10 billion KWh of electricity.

可以想象，如果电机效率每提高1%，就可节省100亿KWh以上的电能。

research on test method of electric vehicle driving motor efficiency

电动汽车电机驱动系统效率测试方法研究

but the step motor efficiency is low, the ability is not big, load drag pulse equivalent cannot too big, speed range is not big.

但步进电机的效率低，拖动负载的能力不大，脉冲当量不能太大，调速范围不大。

a method of improving the three-phase asynchronous motor efficiency

提高三相异步电动机效率的一种方法

based on wavelet analysis of the third harmonic pre-injection technology to further improve motor efficiency 0. 3-2%;

基于小波分析的三次谐波预注入技术，进一步提高电机效率0.3-2%；

economizing energy appliance makes the search of electric motor efficiency being improved

节能宝使异步电动机效率提高研究