The ZHDJ series high-efficiency industrial motor developed by AVIC Electric Vehicle (Zhengzhou) Co., Ltd. (ie asynchronous start permanent magnet synchronous motor) adopts high-performance rare earth permanent magnet material, which has the characteristics of high efficiency, high power factor, strong overload capability and high efficiency zone width. It adopts the completely consistent installation structure of ordinary three-phase induction motor and conforms to the IEC standard. It can realize the seamless replacement of Y/Y2 asynchronous motor and meet the market demand for interchangeability and compatibility of the transmission system.