Low Speed Safe Passenger Elevators , VVVF Elevator Machine Romm-less

Low Speed Safe Passenger Elevators , VVVF Elevator Machine Romm-less Description: The occurrence of machine room-less elevator opens an important page on the elevator industry. Permanent magnetic synchronous gearless traction technology’s occurrence lays the steady foundations for machine room-less elevator. PM synchronous gearless traction machine owns small volume, light weight and high transmission efficiency, and it can be placed inside the hoistway under the situation of