Apparatus for a balanced three phase AC power supply in a comput

Details Apparatus for a balanced three phase AC power supply in a comput Apparatus for a balanced three phase AC power supply in a comput

1989-11-22

1991-03-26

Wong, Peter S.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 3, 307 46, 307 66, H02M 712, H02M 7155

Patent

active

050034537

ABSTRACT:
A balanced three phase AC power supply for a computer system having unbalanced, variable DC loads. AC to DC converters utilize high power factor correction circuitry to impose a sinusoidal current loading waveshape substantially in phase with the AC voltage. Each AC to DC converter outputs equal DC voltages maintaining a balanced loading on the AC power source. The design and organization of the power supply components make the supply fault tolerant when one phase of AC power or one AC to DC converter is lost due to malfunction or servicing.

REFERENCES:
patent: 3927362 (1975-12-01), Brewster
patent: 3974397 (1976-08-01), Killough, Jr.
patent: 4143414 (1979-03-01), Brewster et al.
patent: 4270165 (1981-05-01), Carpenter et al.
patent: 4509108 (1985-04-01), Gallios
patent: 4680689 (1987-07-01), Payne et al.

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