Fault-Tolerant Modulation Strategy for Inverter Stage of Full Bidirectional Switches Two Stage Matrix Converter

被引：0

作者：

Han N. ^{[1
]}

Zhou B. ^{[1
]}

Qin X. ^{[1
]}

Lei J. ^{[1
]}

Shi B. ^{[1
]}

机构：

[1] Jiangsu Key Laboratory of New Energy Generation and Power Conversion(Nanjing University of Aeronautics and Astronautics), Nanjing, 210016, Jiangsu Province

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2017年 / 37卷 / 15期

基金：

中国国家自然科学基金;

关键词：

Double space modulation; Fault-tolerant; Full bidirectional switches two stage matrix converter; Inverter stage;

D O I：

10.13334/j.0258-8013.pcsee.161614

中图分类号：

学科分类号：

摘要：

Full bidirectional switches two stage matrix converter (FBS-TSMC), which can be effectively used in critical applications, was presented. Comparing with traditional two stage matrix converter, it adds six additional switches to inverter stage as redundancy. Meanwhile, its bidirectional switches structure in inverter stage makes it possible to reverse DC bus voltage polarity. The above two features provide FBS-TSMC fault-tolerant capacity in the presence of faults. From the view of modulation, this paper proposed four fault-tolerant strategies for FBS-TSMC to deal with bidirectional switch open circuit failure, single switch open circuit failure, bidirectional switch short circuit failure and single switch short circuit failure in inverter stage respectively. By utilizing the characteristics of fault switch and increasing additional switching in healthy phases, the proposed strategies can ensure FBS-TSMC's satisfactory performance. The verification of the proposed fault-tolerant modulation strategies are confirmed using extensive experimental results. © 2017 Chin. Soc. for Elec. Eng.

引用

页码：4454 / 4462

页数：8

共 20 条

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