Three phase a.c. to d.c. voltage converter with improved power l

Details Three phase a.c. to d.c. voltage converter with improved power l Three phase a.c. to d.c. voltage converter with improved power l

1983-09-15

1985-04-02

Shoop, William M.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

H02M 112

Patent

active

045091080

ABSTRACT:
A three phase a.c. to d.c. voltage converter is disclosed. First, second and third rectifier circuits rectify respective phases of a three phase a.c. source into respective varying d.c. voltages. First, second and third converters connected to the output of the first, second and third rectifier circuits, respectively, each converting the varying d.c. input generated by its associated rectifier circuit into a substantial d.c. voltage. Each of the converters also generate at least one isolated d.c. voltage. At least one of the isolated d.c. voltages is applied to the input of each of the converters to reduce the harmonic currents fed back into the a.c. line.

REFERENCES:
patent: 4143414 (1979-03-01), Brewster et al.

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