A Compensation Component Injection Method Based on a Hybrid Modulation for Minimizing the Neutral-Point Voltage Oscillations in a Five-Level Flying Capacitor Rectifier

Peng Zhang,Xuezhi Wu,Wenzheng Xu,Jingdou Liu,Jingjing Qi,Anna Yang

IEEE Transactions on Power Electronics（2022）

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摘要

Neutral-point (NP) voltage oscillating is an inherent problem for multilevel converters with split dc-link capacitors. In this article, a compensation component injection method based on a hybrid modulation for minimizing the NP voltage oscillations in a five-level flying capacitor rectifier is proposed. In specific, the equivalent modulation waves are first obtained by adopting an existing simpli...

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关键词

Rectifiers,Capacitors,Voltage control,Switches,Oscillators,Support vector machines,Space vector pulse width modulation

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