A Novel MMC H-type Sub-module with Capability of DC Fault current Clearing and Voltage Self-balancing

被引：1

作者：

Zhang, Zhen ^{[1
]}

Wang, Chen ^{[1
]}

Wang, Yi ^{[1
]}

Jiang, Renbin ^{[1
]}

Wei, Ziwen ^{[1
]}

Xu, Tong ^{[1
]}

机构：

[1] North China Elect Power Univ, Key Lab Distributed Energy Storage & Microgrid He, Baoding, Peoples R China

来源：

2021 IEEE 12TH ENERGY CONVERSION CONGRESS AND EXPOSITION - ASIA (ECCE ASIA) | 2021年

基金：

中国国家自然科学基金;

关键词：

modular multilevel converter; sub-module; topology; DC fault current clearance; MULTILEVEL CONVERTER; PROTECTION; CIRCUIT; HVDC;

D O I：

10.1109/ECCE-Asia49820.2021.9479025

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The clearance of DC fault current and the fast restart of converter need to be achieved for DC transmission system based on the modular multilevel converter (MMC). This paper proposes a novel MMC sub-module topology named diode clamp H-type sub-module (DCHTSM), which can clear DC fault current symmetrically and has the capability of capacitor voltage self-balancing. Meanwhile, DCHTSM ensures the control simplicity and has good economic performance. Finally, a single terminal MMC-HVDC system is built by MATLAB/Simulink, and effectiveness of DCHTSM-MMC in DC fault current clearance and fast restart is verified by simulation results.

引用

页码：1082 / 1087

页数：6

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