Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1986-09-03
1988-04-19
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
307138, 363 24, H02M 3335
Patent
active
047394617
ABSTRACT:
A power supply device capable of supplying high DC voltages of positive and negative polarities has a transformer having a primary coil and two secondary coils. A DC current supplied to the primary coil is switched to generate voltages in the secondary coils. These voltages are rectified and smoothed in mutually opposite polarities, and the output voltages are obtained by summing the rectified and smoothed voltages.
REFERENCES:
patent: 3562623 (1971-02-01), Farnsworth
patent: 3569818 (1971-03-01), Dahlinger et al.
patent: 4235137 (1981-02-01), Rao
patent: 4660135 (1987-04-01), Lee
Wyland, "Transformer Isolation Switch", IBM Tech. Discl. Bul., vol. 11, No. 1, pp. 43, 4, Jun. 1968.
Komatsu Shun-ichi
Suzuki Koji
Beha Jr. William H.
Canon Kabushiki Kaisha
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