Elevator system

Details Elevator system Elevator system

B - Operations, Transporting

66

B

364/27

B66B 5/02 (2006.01) H02H 3/253 (2006.01)

Patent

CA 1096072

ELEVATOR SYSTEM ABSTRACT OF THE DISCLOSURE An elevator system including an elevator car, a drive motor for the elevator car, a power supply for the drive motor which includes a three-phase source of alterna- ting potential, and a monitor for the three-phase source. The monitor discriminates between a malfunction of the three-phase source which should initiate shutdown of the elevator system, and a momentary disturbance which should be ignored.

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