换向器变速电动机
commutator variable speed motor
变速感应电动机
variable speed induction motor
补偿感应电动机
compensated induction motor
补偿的感应电动机
compensated induction motor
补偿的磁阻式电动机
compensated reluctance motor
表贴式永磁电动机
surface-mounted permanent magnet motors
表面式三相永磁同步电动机
three phase surface-mounted permanent magnet synchronous motor
表面磁钢式永磁无刷电动机
surface-mount permanent magnet brushless motor
变频异步电动机
frequency-variable asynchronous motor
Variable-frequency induction motor
induction motors fed by inverters
variable frequency asynchronous motor