H - Electricity – 02 – P
Patent
H - Electricity
02
P
318/89
H02P 21/06 (2006.01)
Patent
CA 1180049
ABSTRACT Motor Control System A motor control system in which an actual torque indication is derived from the motor and compared with a reference, or demand, torque. From the difference signal is derived a stator M.M.F. in magnitude and position relative to a reference frame locked to the rotor. Orthogonal components of this stator M.M.F. are derived and transformed to stator phase winding drive signals.
409226
Caddy Roy
Schauder Colin D.
Fetherstonhaugh & Co.
General Electric Company P.l.c. (the)
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