Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1983-01-04
1986-01-07
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 28, H02P 1322
Patent
active
045637318
ABSTRACT:
A resonant type constant voltage supply apparatus has a LC series resonance circuit. Energy stored in both a resonance capacitor and a resonance inductor is directly transferred to the output or input terminal of the apparatus. A control transformer is provided in parallel with the resonance capacitor for deriving the energy stored in the resonance capacitor. The amount of the energy stored in the resonance capacitor can be controlled by changing the switching frequency of the apparatus or the inductance of the control transformer, so as to thereby control the amount of energy transferred to the output or input terminal of the apparatus and thereby stabilize the output voltage of the apparatus.
REFERENCES:
patent: 4336584 (1982-06-01), Careglio
"An Improved Method of Resonant Current Pulse Modulation for Power Converters", IEEE Trans. on Industrial Electronics and Control Instrumentation, vol. IECI-23, No. 2, May 1976, pp. 133-141.
"A New High Frequency Resonant Technique for Dynamic Correction of Offline Converter Input Current Waveforms", Proceedings of Powercon 10, F-1, pp. 1-7.
Kosaka Masahiro
Maeda Mikio
Sato Toshiaki
Beha Jr. William H.
Matsushita Electric - Industrial Co., Ltd.
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