Guo-Kiang Horng

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A new passive 28-step current shaper for three-phase rectification is proposed in this paper. With a phase-shifting transformer on the ac side and six interphase transformers on the dc side, per-phase input current can be shaped into a 28-step sinusoidal waveform. The total harmonic distortion of ac input currents obtained is 6.54%, lower than one-half of(More)
A novel simplified control scheme for threephase switch-mode rectifier is proposed in this paper. The proposed control scheme is based upon a load-conductance rectifier controller, in which reference current signals are obtained. The goal to follow the reference current is converted to follow a reference voltage. A simplified control scheme utilizing(More)
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