Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1994-10-21
1996-03-19
Nyugen, Matthew V.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 98, H02M 3335, H02M 324
Patent
active
055007910
ABSTRACT:
A power distribution system including a dual active bridge converter (DABC) distributes a regulated high-frequency, edge-resonant, square wave ac output voltage from an unregulated dc voltage source. The DABC-includes a primary-side half-bridge connection of switching devices and a secondary-side half-bridge connection of switching devices which are coupled by an intermediate high-frequency transformer. An ac distribution bus is connected to the regulated secondary side of the transformer. The primary-side and secondary-side connections of switching devices are phase-shifted in a manner to provide a regulated high-frequency square-wave voltage on the ac distribution bus, which is distributed via a low-impedance distribution bus to a plurality of simple point-of-load converters. Alternatively, a plurality of DABC's is configured in a high-frequency ac power distribution system such that a primary-side half-bridge of switching devices converts an unregulated dc voltage source to an unregulated high-frequency, square wave ac voltage which is distributed to a plurality of point-of-load converters. Each point-of-load converter has a high-frequency transformer and secondary-side switching devices, such that each point-of-load converter forms a DABC pair with the primary-side half-bridge.
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Kheraluwala Mustansir H.
Schutten Michael J.
Breedlove Jill M.
General Electric Company
Nyugen Matthew V.
Snyder Marvin
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