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Pulse doubling in parallel convertor configurations with interphase reactors

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2 Author(s)
J. Arrillaga ; Dept. of Electr. & Electron. Eng., Canterbury Univ., Christchurch, New Zealand ; M. E. Villablanca

It is shown that rectification and reinjection of the DC ripple can double the number of pulses of parallel connected AC/DC power convertors with interphase reactors. Theoretical and experimental evidence is provided to demonstrate that the combined use of phase-shifting and DC ripple reinjection techniques effectively quadrupoles the pulse number of bridge rectifiers and inverters. Although the analysis is general, the results displayed relate to the conversion of a conventional 12-pulse double bridge for use as a 24-pulse configuration.<>

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IEE Proceedings B - Electric Power Applications  (Volume:138 ,  Issue: 1 )