No commutator motor is a new variable-speedmotor, its adjustable-speed performance is more advantage than dc system.
无换向器电动机是一种新型的可调速电机,其调速性能优于直流调速系统。
2
Power and Gearing device: Various kinds of motor, reducer, variable-speedmotor, lift machine, protection device, and electronic control system etc.
动力与传动装置:各种类型电动机、减速机,变速机、电梯主机,保护装置,电控系统等。
3
The switched reluctance drive is a new variable-speedmotor system which consists of power electronically-switched circuits, doubly salient reluctance motor and controller.