POWER SUPPLY SYSTEM AND METHOD TO CONTROL MECHANICALLY SWITCHED ELECTRIC MOTOR Russian patent published in 2013 - IPC H02P7/29 

FIELD: electricity.

SUBSTANCE: method includes stages, at which a mechanically switched electric motor (1) is provided, power supply is provided for the mechanically switched electric motor along the wires (10, 11) of power supply from a source of a power supply circuit, a filter (15) is provided, connected to at least one of the wires (10, 11) of power supply, using the filter (15), a voltage peak is detected, which occurs in process of switching, a start signal is released from the filter (15).

EFFECT: improved accuracy and reliability.

24 cl, 10 dwg