Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1998-11-24
1999-06-29
Berhane, Adolf Deneke
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 25, 363 98, H02M 3335
Patent
active
059177110
ABSTRACT:
DC power supply apparatus includes an input-side rectifier for converting an AC signal from an AC power supply into a DC signal. A DC-to-high-frequency converter converts the DC signal into a high frequency signal in response to a control signal from a control unit. An output-side rectifier converts the high frequency signal into a DC signal and applies it to a load. An input current detector detects an input current flowing through the input-side rectifier and generates a signal representative of the input current. A load current detector detects a load current flowing through the load and generates a signal representative of the load current. The control unit receives the input-current and load-current representative signals, a reference input current signal and a reference load current signal, and provides the DC-to-high-frequency converter with the control signal such that the input-current representative signal can be equal to the reference input current signal and the load-current representative signal can be equal to the reference load current signal.
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Danjo Kenzo
Ikeda Tetsuro
Ishii Hideo
Moriguchi Haruo
Omura Takeshi
Berhane Adolf Deneke
Murray William H.
Sansha Electric Manufacturing Company Limited
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