THREE_PHASE_POWER_FACTOR_CONTROLLER

Published:2009/7/5 21:51:00 Author:May | From:SeekIC

The modified power-factor controller, developed at the Marshall Space Flight Center, employs a phase detector for each of the three phase windings of a delta-connected induction motor. The phase-difference sum is the basis for control. Instabilities of earlier systems are overcome with improved feedback control incorporating a 20Hz bandwidth signal.



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