H - Electricity – 02 – P
Patent
H - Electricity
02
P
318/108, 318/112
H02P 23/00 (2006.01) G05F 1/70 (2006.01) H02J 3/18 (2006.01)
Patent
CA 1163316
THREE PHASE POWER FACTOR CONTROLLER ABSTRACT A power consumption reducing control circuit for a three phase induction motor wherein power factors for the three phases are separately determined and summed to provide a composite control signal, which is suitably conditioned and then employed to control the duty cycle of each phase of input power to the motor through the appropriately timed gating of thyristors or Triacs. Fig. 1.
371299
Macrae & Co.
National Aeronautics And Space Administration
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