24-pulse hexagon-type AC/DC static converter

Details 24-pulse hexagon-type AC/DC static converter 24-pulse hexagon-type AC/DC static converter

1990-12-03

1991-11-26

Beha, Jr., William H.

Electric power conversion systems

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

Current and phase

363 5, 363 64, 363129, H02M 7155, H02M 7162

Patent

active

050687743

ABSTRACT:
An AC/DC or DC/AC converter includes a single hexagon transformer with each side connected to opposite polarity DC terminals through two pairs of SCR devices gated in sequence synchronously with the frequency of the AC lines, gating in a pair lagging gating of the next SCR device in the adjoining pair, to create a 24-pulse output, while minimizing AC line harmonic contents, especially the 11th and 13th harmonics.

REFERENCES:
patent: 4255784 (1981-03-01), Rosa
patent: 4366532 (1982-12-01), Rosa et al.
patent: 4482945 (1984-11-01), Wolf et al.
patent: 4493016 (1985-01-01), Cham et al.
patent: 4683527 (1987-07-01), Rosa

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