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Application of the DC-Ripple Reinjection Concept to Forced-Commutated Conversion

  • Liu Yonghe , Jos Arrillaga , Neville R. Watson and Lasantha B. Perera
Published/Copyright: April 3, 2006

A dc-ripple reinjection concept, described in the literature with reference to the line-commutated current source converter, is applied in this paper to the self-commutated current source converter. This is achieved by means of a reinjection converter fed, via a single-phase transformer, from the triple frequency ripple signal. It is shown that the three-phase bridge can be made to operate effectively at any multiple of the six-pulse number and, thus, presents an effective alternative to the use of ac and dc side filters.

Published Online: 2006-4-3

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