Fault-Tolerant Control Scheme for Modular Multilevel Converter based on Sorting Algorithm without Reserved Submodules

被引：0

作者：

Kim, Seok-Min ^{[1
]}

Lee, Kyo-Beum ^{[1
]}

Lee, June-Seok ^{[2
]}

机构：

[1] Ajou Univ, Dept Elect & Comp Engn, Suwon, South Korea

[2] Korea Railrd Res Inst, Uiwang, South Korea

来源：

THIRTY-THIRD ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2018) | 2018年

关键词：

Modular multilevel converter (MMC); half-bridge submodule; fault-tolerant control; sorting algorithm reliability; HVDC;

D O I：

暂无

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：

This paper proposes a fault-tolerant method for the half-bridge based modular multilevel converter (MMC). Fault-tolerance is able to enhance reliability which is one of the crucial issue for the MMC with a large number of switching devices. In this paper, the faulty condition of the MMC is analyzed and the detail of the proposed fault-tolerant method is described. When a switching device fault is occurred in a SM, the proposed method balances the three-phase line-to-line voltages and currents and does not require redundant submodules (SMs), which reduce the cost and volume of the MMC. To verify the fault-tolerant ability of the proposed method, various simulation results are included.

引用

页码：223 / 227

页数：5

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