H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 29/06 (2006.01) G01P 3/48 (2006.01) H02P 6/06 (2006.01)
Patent
CA 2138836
ABSTRACT OF THE DISCLOSURE A method and system for sensing the rotor speed of a brushless permanent magnet motor wherein a signal containing isolated third harmonic components of the flux density is acquired, and the absolute values of the maximas of the signal are measured, the last measured absolute maxima representing the current rotor speed of the motor. 52
Corporation Whirlpool
Kirby Eades Gale Baker
LandOfFree
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