Operation and Performance of Resonant Modular Multilevel Converter With Flexible Step Ratio | Zendy

Xiaotian Zhang | Zendy; Xin Xiang | Zendy; Timothy C. Green | Zendy; Xu Yang | Zendy

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Operation and Performance of Resonant Modular Multilevel Converter With Flexible Step Ratio

Author(s) -

Xiaotian Zhang,

Xin Xiang,

Timothy C. Green,

Xu Yang

Publication year - 2017

Publication title -

ieee transactions on industrial electronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.393

H-Index - 287

eISSN - 1557-9948

pISSN - 0278-0046

DOI - 10.1109/tie.2017.2677333

Subject(s) - power, energy and industry applications , signal processing and analysis , communication, networking and broadcast technologies

Resonant modular multilevel converters (RMMCs) have been proposed for high-voltage dc-dc applications. Using different modulation strategies, RMMC operates in different modes and achieves flexible step ratio. To provide a comprehensive study of RMMCs, this paper presents the modulation method achieving a wide range of step ratio with the ability of inherent-balancing. The conditions for guaranteeing the inherent-balancing ability are provided. The operation principle and performance of the RMMC are presented in this paper, which have been explored in a case study. The experimental results are obtained from a bench-scale setup, which have verified the theoretical analysis.

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