Cost effective high performance circuit for driving a gas discha

Details Cost effective high performance circuit for driving a gas discha Cost effective high performance circuit for driving a gas discha

1994-09-02

1997-03-04

Lee, Benny

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

With power factor control device

315307, 315209R, 315DIG7, 315278, 315219, 315324, 323205, 323207, 363 44, 363 84, H05B 3702, H05B 4129

Patent

active

056082959

ABSTRACT:
A circuit for driving a gas discharge lamp load and including an EMI and transient supply filter coupled to an input source, a rectifier coupled to the filter, a power inverter coupled to the rectifier, a load including a transformer coupled to the power inverter, and a control circuit coupled to the power inverter and the load. A feedback circuit couples the load transformer to the AC side of the rectifier to create a path for transferring a feedback voltage over the rectifier to cause the rectifier to conduct current over a substantive portion of each cycle of the AC input voltage.

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