Control circuit for two speed motors

H - Electricity – 02 – P

Patent

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Details

H02P 7/00 (2006.01) H02P 1/44 (2006.01) H02P 25/04 (2006.01)

Patent

CA 2212972

A control circuit for a two speed electric motor includes high and low speed electronic switches. The high speed electronic switch is biased off when the low speed electronic switch is biased on. The low speed run winding of the motor is activatable only through the low speed electronic switch. The high speed run winding of the motor is activatable either directly through a high speed setting of a speed selector switch or through the high speed electronic switch in a low speed setting of the speed selector switch. Upon activation of the motor start winding, the low speed electronic switch is off and the high speed electronic switch is on.

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