System and method for input current shaping in a power...

Details System and method for input current shaping in a power... System and method for input current shaping in a power...

2008-06-25

2009-06-16

Patel, Rajnikant B (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S017000, C363S095000, C323S282000, C323S299000

Reexamination Certificate

active

07548438

ABSTRACT:
A power converter delivers electrical power from an electrical power source to a load according to a plurality of operation modes, where at least one of the operation modes is a peak current switching mode. Under the peak current switching mode, a switch controller controls the switch in the power converter to be kept on until the current through the switch reaches a peak current value corresponding to a given phase of the input voltage signal to the power converter. The peak current values have a reference shape, which may be a trapezoidal. The power converter may have any topology, such as a flyback-type power converter or a boost-type power converter.

REFERENCES:
patent: 4683529 (1987-07-01), Bucher, II
patent: 4942509 (1990-07-01), Shires et al.
patent: 5111372 (1992-05-01), Kameyama et al.
patent: 5434767 (1995-07-01), Batarseh et al.
patent: 6034514 (2000-03-01), Sakai
patent: 6198259 (2001-03-01), Ueki et al.

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