H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 23/00 (2006.01) H02P 25/02 (2006.01)
Patent
CA 2681106
A motor speed controller and a method of controller a speed of a motor are provided. The system and method include a motor and a motor controller that monitors operation of the motor based on electromotive force (EMF) conditions of the motor. The motor controller cuts a voltage to the motor, measures an electromotive force (EMF) of the motor at a predetermined time after the cutting of the voltage to the motor, and compares the measured electromotive force (EMF) to a table.
Bsh Home Appliances Corporation
Smart & Biggar
LandOfFree
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