A new modulation strategy and power balance method of unsymmetrical CHB inverter

Abstract There exist the problems of the low utilization rate of DC voltage, power imbalance and current backflow in the modulation process of traditional unsymmetrical cascaded units. In view of these, a pulse width modulation strategy with an improved trapezoidal wave as the modulation wave and it...

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Bibliographic Details
Main Authors: Renxi Gong, Xinyu Zhang, Jianfeng Liu, Bo Xue
Format: Article
Language:English
Published: Wiley 2021-12-01
Series:IET Renewable Power Generation
Subjects:
Online Access:https://doi.org/10.1049/rpg2.12305