Active offset for power factor controller

Details Active offset for power factor controller Active offset for power factor controller

1992-08-20

1994-10-25

Voeltz, Emanuel T.

Electricity: power supply or regulation systems

For reactive power control

Using converter

323222, 363132, 315291, 315DIG7, G05F 170, G05F 1565, H02M 75387

Patent

active

053592743

ABSTRACT:
A switch mode power supply for a ballast having a power factor controller and providing a regulated D.C. output voltage. The controller is responsive to a control input signal which includes a sensed signal added to a varying offset. The sensed signal is representative of the current flow through a switching device of the power supply. The offset is varied based on the regulated D.C. voltage output.

REFERENCES:
patent: 4437146 (1984-03-01), Carpenter
patent: 4683529 (1987-07-01), Bucher, II
patent: 4940929 (1990-03-01), Williams
patent: 5006975 (1991-04-01), Neufeld

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