Electric power conversion systems – Current conversion – Having plural converters for single conversion
Patent
1995-07-06
1998-04-07
Berhane, Adolf
Electric power conversion systems
Current conversion
Having plural converters for single conversion
307 82, H02M 7537
Patent
active
057372020
ABSTRACT:
A redundant power supply system so contrived that, upon occurrence of a fault in any one power unit, the other power unit is capable of performing relief power supply to a load. The power supply system comprises an AC-DC converter for converting an AC voltage to a DC voltage, and a plurality of power units connected in parallel to the output side of the AC-DC converter. Each of the power units includes a power source for feeding the load with a stable DC output corresponding to the DC voltage; a fuse connected to the input side of the power source for cutting off a power line; a coil connected in series to the fuse; and a capacitor connected between a line, which is disposed between the fuse and the coil, and another line between the output side of the AC-DC converter and the input side of the power source.
REFERENCES:
patent: 3538405 (1970-11-01), Borden et al.
patent: 4680689 (1987-07-01), Payne et al.
patent: 4685039 (1987-08-01), Inou et al.
patent: 5088017 (1992-02-01), Yaginuma et al.
patent: 5488531 (1996-01-01), Aldridge et al.
patent: 5566060 (1996-10-01), Shimmer
Berhane Adolf
Fujitsu Limited
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