High-voltage and high-power stabilized DC power supply using mod

Details High-voltage and high-power stabilized DC power supply using mod High-voltage and high-power stabilized DC power supply using mod

1995-08-11

1997-07-29

Nguyen, Matthew V.

Electric power conversion systems

Cascaded or combined, diverse conversions in which the...

Current and frequency

H02M 545

Patent

active

056526997

ABSTRACT:
A stable DC power system of high-voltage and good-output performance is provided by adding a 3-phase inverter, whereby modified waveform for an output control is produced and a filter to a conventional DC power system and by bridge-rectifying. The modified sinusoidal wave such as a varied wave whose upper portion ranging from 30.degree. to 150.degree. is flat of a 1/2 cycle of the sinusoidal wave, a modified wave whose portions ranging from 30.degree. to 90.degree. and from 90.degree. to 150.degree. are linear in a 1/2 cycle of the sinusoidal wave and a modified wave whose portions ranging from 30.degree. to 90.degree. and from 210.degree. to 270.degree. are recessed so as to be symmetrical with respect to a line in the whole cycle of the sinusoidal wave are used for reducing ripples of the output voltage after the 3-phase rectification.

REFERENCES:
patent: 4171488 (1979-10-01), Kuchnel
patent: 4447695 (1984-05-01), Inoue
patent: 4601051 (1986-07-01), Santurtun et al.
patent: 5367448 (1994-11-01), Carroll

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