Transformer-rectifier apparatus

Details Transformer-rectifier apparatus Transformer-rectifier apparatus

1979-11-08

1981-03-10

Shoop, William M.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

H02M 7155

Patent

active

042557844

ABSTRACT:
A three-phase transformer having a delta-connected primary and two identical secondary windings per phase connected in hexagon, has symmetrical taps on each secondary winding connected to rectifying devices for generating DC energy from a first group of six symmetrical AC voltages at 60.degree. with respect to the virtual neutral for one polarity and from a second group of six symmetrical AC voltages at 60.degree. with respect to the virtual neutral for the other polarity, the first and second groups being at 30.degree. phase shift to one another.

REFERENCES:
patent: Re25000 (1961-06-01), Michaelis
patent: 1712491 (1929-05-01), Darrieus
patent: 3008080 (1961-11-01), Storsand
patent: 3089074 (1963-05-01), Vaughan
patent: 3098963 (1963-07-01), Michaelis
patent: 3585484 (1971-06-01), Dortort
patent: 4156897 (1979-05-01), Vigh et al.
patent: 4208709 (1980-06-01), Garnham et al.

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