Fault-Tolerant Oriented Hierarchical Control and Configuration of Modular Multilevel Converter for Shipboard MVdc System

被引：24

作者：

Hong, Lerong ^{[1
]}

Xu, Qianming ^{[1
]}

He, Zhixing ^{[1
]}

Ma, Fujun ^{[1
]}

Luo, An ^{[1
]}

Guerrero, Josep M. ^{[2
]}

机构：

[1] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Hunan, Peoples R China

[2] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg, Denmark

来源：

IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS | 2019年 / 15卷 / 08期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Fault-tolerance; medium voltage dc (MVdc); modular multilevel converter (MMC); redundant configuration; shipboard power system;

D O I：

10.1109/TII.2018.2879981

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Medium-voltage dc (MVdc) distribution system is considered as the promising power architecture of future shipboard power system. Fault-tolerance ability is of great importance for power system on ships. In this paper, zonal dc-dc conversion system based on modular multilevel converter (MMC) and three-phase bridge rectifier are proposed with its hierarchical fault-tolerant scheme. The topology configurations of the front-end MMC with multiwinding medium frequency transformer under normal and postfault circumstances are presented. The reconfiguration scheme and fault-tolerant control strategy are also proposed to ride-through submodule (SM) level fault, phase level fault and bus level fault. Based on the hierarchical fault-tolerant scheme, redundant configuration of the MMC SM is further analyzed with the hierarchical reliability modeling. The effectiveness of the proposed control strategy is verified by the experimental results.

引用

页码：4525 / 4535

页数：11

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