Power supply unit, parallel operation control circuit applied th

Details Power supply unit, parallel operation control circuit applied th Power supply unit, parallel operation control circuit applied th

1998-06-26

2000-01-11

Han, Y. J.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 67, 363 71, H02M 700

Patent

active

060143223

ABSTRACT:
An anode voltage of a diode for reverse current prevention provided in each power supply module is output to a current balance control terminal via a resistor. The current balance control terminals of the respective power supply modules are mutually connected, and an average level of the anode voltages in the reverse current prevention diodes of the respective power supply modules is applied to the current balance control terminals as a reference voltage level. By executing the switching control for the power MOSFET in each power supply module so as to make the anode voltage of the reverse current prevention diode in each power supply module equal to the reference voltage, the output current values of the respective power supply modules are set to be equal.

REFERENCES:
patent: 5675480 (1997-10-01), Stanford

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