Power supply having slope controlled output volt-ampere characte

Details Power supply having slope controlled output volt-ampere characte Power supply having slope controlled output volt-ampere characte

1982-07-28

1984-08-28

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

307 44, 363 21, H02P 1322

Patent

active

044687222

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: 4276590 (1981-06-01), Hansel et al.
patent: 4371919 (1983-02-01), Andrews et al.
patent: 4425613 (1984-01-01), Shelly
Azzis et al., "Parallel Identical Direct-Mode DC-DC Converters" IBM Technical Discl. Bulletin, vol. 25, No. 2, p. 6245, Jul. 1982.

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