Electric power conversion systems – Current conversion – Having plural converters for single conversion
Patent
1984-03-21
1985-06-04
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Having plural converters for single conversion
363 21, H02P 1322
Patent
active
045218420
ABSTRACT:
A circuit for use in the voltage control loop of a power supply of the type which regulates its output voltage to a predetermined amplitude to allow at least two of the supplies to be connected by an associated series diode to the same external load so as to share that load on a substantially equal basis and avoid false indications of supply malfunction that may result from that connection at no load. In a first embodiment, the circuit controls the slope of the volt-ampere characteristic by linearly changing at the input to the voltage regulating means the signal representative of output voltage as a function of supply output current. In a second embodiment, the circuit controls the shape of the volt-ampere characteristic at no load by changing the predetermined amplitude to which the output voltage is regulated. The supply also includes a preload which is inserted in parallel with the external load.
REFERENCES:
patent: 4177389 (1979-12-01), Schott
patent: 4359679 (1982-11-01), Zegan
Azzis et al., "Parallel Identical Direct-Mode DC-DC Converters", IBM Tech. Discl. Bul., vol. 25, No. 2, pp. 624, 625, Jul. 1982.
Hemena, "Ferro-Resonant Transformer with Power Supply Regulation", IBM Tech. Discl. Bul., vol. 22, No. 7, pp. 2903, 2904, Dec. 1979.
Beha Jr. William H.
Reliance Electric Company
Rickin Michael M.
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