Electric power conversion systems – Current conversion – With voltage division by storage type impedance
Patent
1988-06-29
1989-06-20
Salce, Patrick R.
Electric power conversion systems
Current conversion
With voltage division by storage type impedance
320 1, H02M 306
Patent
active
048414271
ABSTRACT:
A power supply circuit comprises first charge storing means, second and third charge storing means supplying their charged voltages so as to be used as sources of predetermined voltages applied to associated loads respectively, switch means capable of selectively establishing at least a first mode and a second mode so that, in the first mode, the first and second charge storing means are connected in series with a d.c. power source to be charged by a power supply voltage, while, in the second mode, the first charge storing means is electrically isolated from the d.c. power source and the second charge storing means, and the third charge storing means is connected to the first charge storing means in a closed circuit to be charged by the charges stored in the first charge storing means, and a drive circuit driving the switch means so that the switch means repeats an operation cycle including at least the first mode and the second mode executed in that order.
REFERENCES:
patent: 4485432 (1984-11-01), Kidena et al.
patent: 4578772 (1985-03-01), Fuji
patent: 4654769 (1987-03-01), Middlebrook
patent: 4750099 (1988-06-01), Inoue et al.
Matsuda Yasuo
Miyazaki Hideki
Onda Kenichi
Hitachi , Ltd.
Salce Patrick R.
Sterrett Jeffrey
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