Control system for pole-changing-motor-driven compressor

Details Control system for pole-changing-motor-driven compressor Control system for pole-changing-motor-driven compressor

G - Physics

05

D

341/28, 341/39

G05D 16/20 (2006.01) H02P 1/42 (2006.01)

Patent

CA 1076684

ABSTRACT OF THE DISCLOSURE A control system for a compressor driven by a pole-changing motor comprises a pole changer for the motor, a contactor for stopping the motor for a predetermined time when pole change occurs, and a switch responsive to the variation in a pyhsical quantity which occurs in the compressor everytime when the latter is stopped, whereby the motor is stopped when pole change occurs and then is started again in response to the actuation of the switch. This control system is especially adapted for use in a pole-changing-motor-driven compressor used in a refrigeration cycle of an air conditioner.

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