Regulated input current, regulated output voltage power converte

Details Regulated input current, regulated output voltage power converte Regulated input current, regulated output voltage power converte

1999-08-13

2000-08-08

Tso, Edward H.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 89, 363127, 323222, 323239, H02M 700, H02M 768, H02M 7217

Patent

active

061011088

ABSTRACT:
The power conversion system of this invention achieves precisely regulated input current and precisely regulated output voltage in a two step process whereby one power converter sub-system (141) provides input current regulation and a second power converter sub-system (158) provides output voltage regulation. The two converter sub-systems are arranged so that the second power converter sub-system (158) is powered by the first power converter sub-system (141) and the output of the second power converter sub-system (158) is placed in series with an output of the first power converter sub-system (141) to form the system output so that the load voltage is the sum of the two outputs placed in series. With this arrangement only a small fraction of the load power needs to be processed by the second power converter sub-system (158) which yields higher system efficiency and smaller system size, weight, and cost.

REFERENCES:
patent: 5224025 (1993-06-01), Divan et al.
patent: 5406192 (1995-04-01), Vinciarelli
patent: 5440473 (1995-08-01), Ishii et al.
patent: 5515257 (1996-05-01), Ishii
patent: 5572417 (1996-11-01), Vinciarelli et al.
patent: 5621631 (1997-04-01), Vinciarelli et al.
patent: 5726872 (1998-03-01), Vinciarelli et al.

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