A Hybrid Nine-Arm Modular Multilevel Converter for Medium-voltage Six-Phase Machine Drives

被引：17

作者：

Diab, Mohamed S. ^{[1
,2
]}

Elserougi, Ahmed A. ^{[2
]}

Massoud, Ahmed M. ^{[3
]}

Ahmed, Shehab ^{[4
]}

Williams, Barry W. ^{[1
]}

机构：

[1] Univ Strathclyde, Dept Elect & Elect Engn, Glasgow G1 1XQ, Lanark, Scotland

[2] Alexandria Univ, Elect Engn Dept, Fac Engn, Alexandria 21544, Egypt

[3] Qatar Univ, Dept Elect Engn, Doha 2713, Qatar

[4] King Abdullah Univ Sci & Technol, Dept Elect Engn, Thuwal 239556900, Saudi Arabia

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2019年 / 66卷 / 09期

关键词：

Hybrid modular multilevel converter (MMC); medium-voltage(MV) machine drive; nine-arm MMC; six-phase machines; OPERATION; DESIGN; SYSTEM;

D O I：

10.1109/TIE.2018.2880663

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The nine-arm modular multilevel converter (9A-MMC) has been recently proposed as a reduced MMC topology variation for six-phase drive applications, with 25% reduction in the number of employed arms and associated components, compared to a standard dual three-phase MMC, however with a limited output voltage amplitude. This paper proposes a hybrid 9A-MMC comprised of half-bridge submodules (SMs) in both the upper and lower arms, and full-bridge SMs in the middle arms. By employing the negative-voltage state of the full-bridge SMs, the hybrid 9A-MMC avoids the limitations imposed on the dc-link voltage utilization, while achieving further reduction in the component count, compared to a standard 9A-MMC with identical half-bridge SMs. The operating principles of the proposed hybrid 9A-MMC are illustrated with mathematical analysis, whereas its characteristics are verified through both simulation and experimentation. An assessment of the proposed topology quantifying its employed components is also provided, in comparison to other MMC-based six-phase machine drives.

引用

页码：6681 / 6691

页数：11

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