Torque determination for control of an induction motor...

Details Torque determination for control of an induction motor... Torque determination for control of an induction motor...

H - Electricity

02

P

324/17, 342/34,

H02P 5/00 (2006.01) B60L 15/20 (2006.01) G01L 5/00 (2006.01) G01L 5/26 (2006.01) G01R 31/34 (2006.01) H02P 7/18 (2006.01)

Patent

CA 1296051

ABSTRACT OF THE DISCLOSURE An AC induction motor control apparatus includes the determination of the motor torque by one of the use of a torque versus dc input power lookup table for each of selected motor speeds below a predetermined speed and by a mathematical calculation of a plurality of power losses in relation to the dc input power and the inverter frequency for motor speeds above that selected speed.

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