Inverter circuit for producing power factor correction effect

Details Inverter circuit for producing power factor correction effect Inverter circuit for producing power factor correction effect

2007-05-29

2007-05-29

Vu, Bao Q. (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S021120, C363S024000, C363S040000

Reexamination Certificate

active

11202022

ABSTRACT:
Provided is an inverter circuit including a rectification and filter circuit and an inverter driver circuit interconnected the rectification and filter circuit and a load. The inverter driver circuit comprises a second controller for receiving light adjustment cycle signals and outputting electrical conduction cycle signals wherein the second controller is either electrically connected to a power source or electrically connected to the rectification and filter circuit for obtaining a wave current, and an electrical conduction of the electrical conduction cycle signals depends on input on/off of the wave current at the second controller; and a driver operates in response to electrical conduction cycle signals and on/off of DC. A flashing effect is produced on the load and thus a power factor correction effect is produced without power factor corrector being involved.

REFERENCES:
patent: 4843202 (1989-06-01), Smith et al.
patent: 6031748 (2000-02-01), Hong
patent: 6278622 (2001-08-01), Shimazaki et al.
patent: 6556457 (2003-04-01), Shimazaki et al.
patent: 6714425 (2004-03-01), Yamada et al.
patent: 6775156 (2004-08-01), Lin et al.
patent: 7045969 (2006-05-01), Chou

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