Introduction - If you have any usage issues, please Google them yourself
At present, massive induction motor (IM) drive systems are applied in the industry and agriculture, and they consume more than 60 of the total energy generated. Generally, the IM is highly efficient when operated under the rated conditions. But with the rated conditions changing, the efficiency is greatly reduced. So it is important to improve the efficiency of electric drives, mainly for two reasons: energy saving and environment protecting