A Bidirectional Modular Multilevel DC-DC Converter of Triangular Structure

被引：69
作者：
Filsoof, Kia [1 ]
Lehn, Peter W. [1 ]
机构：
[1] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 2J7, Canada
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2015年 / 30卷 / 01期
关键词：
DC-DC power conversion; high-power converters; modular multilevel converters (MMCs); multiple-input multiple-output converters; INPUT VOLTAGE; DESIGN; SERIES; CONNECTION;
D O I：
10.1109/TPEL.2014.2307004
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a novel bidirectional modular multilevel dc-dc converter is proposed. The proposed topology, named the triangular modular multilevel dc-dc converter (TMMC), can achieve equal power sharing among its modules over a broad range of conversion ratios. The proposed control algorithm provides localized control of modules which enhances the converter's dynamic performance and design flexibility. A 1.7-kW experimental implementation of the converter is shown to achieve an efficiency of 95.9% and 96.2% in step-up and step-down modes, respectively. Significant reductions in the input current and output voltage ripples are observed through the interleaved operation of the converter. The TMMC also provides multiple fixed voltage nodes which makes it suitable as a multiple-input multiple-output converter.
引用
收藏
页码：54 / 64
页数：11
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