Experimental Verification of a Modular Multilevel Cascade Inverter Based on Double-Star Bridge Cells

被引：106

作者：

Thitichaiworakorn, Nuntawat ^{[1
]}

Hagiwara, Makoto ^{[1
]}

Akagi, Hirofumi ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo 1528552, Japan

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2014年 / 50卷 / 01期

关键词：

Grid connections; modular multilevel cascade inverters (MMCIs); phase-shifted pulsewidth modulation (PWM); renewable energy; POWER ELECTRONICS; CONVERTER; SYSTEMS; VOLTAGE;

D O I：

10.1109/TIA.2013.2269896

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A modular multilevel cascade inverter based on double-star bridge cells (MMCI-DSBC) is expected to be one of the next-generation medium-voltage pulsewidth modulation (PWM) inverters intended for grid connections. This inverter is formed by six modular arms, each of which consists of a cascaded stack of multiple full-bridge converters. The DSBC is different from the traditional two-level PWM inverter in that the ac voltages are independent of the dc link voltage. Hence, the DSBC is suitable for a grid-connected inverter with a time-varying dc link voltage. This paper describes the DSBC with a focus on its operating principles and performance. The validity of the inverter is confirmed by experiments using a three-phase, 200-V, and 10-kW downscaled system.

引用

页码：509 / 519

页数：11

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