Power factor correction circuit for a power supply

Details Power factor correction circuit for a power supply Power factor correction circuit for a power supply

1998-07-09

1999-11-16

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 37, H02M 112

Patent

active

059869011

ABSTRACT:
A power factor correction circuit, usable with, for example, a switching power supply of a discharge lamp. The power factor correction circuit includes a shaping system that shapes an input current of a power line during a predetermined period proximate a zero line crossing point of the input current; and a minimizing system that minimizes a pulsating of the input current.

REFERENCES:
patent: 5396153 (1995-03-01), Shackle
patent: 5614810 (1997-03-01), Nostwick et al.
patent: 5764496 (1998-06-01), Sato et al.
An article by Yong-Sik Youn et al., entitled "A Unity Power Factor Electronic Ballast for Florescent Lamp Having Improved Valley Fill and Valley Boost Converter", Conference Record PESC', May 1997.

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