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首页> 外文期刊>IEEE Transactions on Industrial Electronics >A new passive 28-step current shaper for three-phase rectification
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A new passive 28-step current shaper for three-phase rectification

机译:新型用于三相整流的无源28步电流整形器

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摘要

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 6.53%, lower than one-half of that in a conventional 12-pulse converter. The transformer voltampere rating is also lowered down to one-fifth of that in a 12-pulse converter. A 2 kW experiment is performed to verify the proposed circuit.
机译:本文提出了一种用于三相整流的新型无源28步电流整形器。通过在交流侧使用移相变压器,在直流侧使用六个相间变压器,可以将每相输入电流整形为28步正弦波形。所获得的交流输入电流的总谐波失真为6.53%,低于传统12脉冲转换器的一半。变压器的伏安额定值也降低到了12脉冲转换器中的五分之一。进行了2 kW的实验以验证提出的电路。

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