Controller for power converter

Details Controller for power converter Controller for power converter

2004-12-30

2009-10-13

Ullah, Akm E (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S015000, C363S016000

Reexamination Certificate

active

07602620

ABSTRACT:
A controller for providing out of phase drive signals to a power converter having at least a first power unit and second power unit. The controller may comprise input circuitry adapted to receive a first signal from a first path and a second signal from a second path and provide an output signal in response to a difference between the first and second signals. The first signal may be representative of a current level of the first power unit during a first time interval and the first signal representative of a current level of the second power unit during a second time interval. The controller may further comprise output circuitry responsive to the output signal from the input circuitry to provide the out of phase drive signals to the first and second power unit.

REFERENCES:
patent: 6538905 (2003-03-01), Greenfeld et al.
patent: 6678178 (2004-01-01), Lipcsei
patent: 6813173 (2004-11-01), Lipcsei
patent: 6876556 (2005-04-01), Zhu et al.
International Search Report with Written Opinion dated Oct. 4, 2005 (7pgs).
English translation of Office Action from related Chinese application dated Dec. 29, 2006, 6 pp.
Translation of Taiwan Office Action dated Jul. 8, 2006 received in related Taiwan Application (2 pages).
International Preliminary Report on Patentability dated Aug. 24, 2006 received in corresponding PCT Application No. PCT/US2005/004358 (5 pages).
English Translation of Chinese Office Action dated Sep. 7, 2007 (5 pages).

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