Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1999-07-13
2000-09-12
Berhane, Adolf Deneke
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 71, H02M 3335
Patent
active
061186740
ABSTRACT:
A power supply apparatus in which at least one or more DC power supply devices having impedance elements with the same impedance on output lines are parallel-connected, and supply output voltages to a common load via the impedance elements includes an external adjustment voltage supply circuit for supplying an adjustable external adjustment voltage to each DC power supply device, and an internal voltage control circuit for comparing the external adjustment voltage from the external adjustment voltage supply circuit incorporated in each DC power supply device with the voltage applied to each impedance element, and controlling the output voltage so as to make these voltages equal, thereby equalizing voltages applied to the impedance elements in the respective DC power supply devices.
REFERENCES:
patent: 5008794 (1991-04-01), Leman
patent: 5638262 (1997-06-01), Brown
patent: 5671131 (1997-09-01), Brown
patent: 5862044 (1999-01-01), Shioya et al.
patent: 5995387 (1999-11-01), Takahashi et al.
patent: 6014322 (2000-01-01), Higashi et al.
Berhane Adolf Deneke
Kabushiki Kaisha Toshiba
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