Reverse Blocking Sub-Module Based Modular Multilevel Converter with DC Fault Ride-Through Capability

被引：0
|
作者：
Yang, Xiaofeng [1 ]
Xue, Yao [1 ]
Chen, Bowei [1 ]
Lin, Zhiqin [1 ]
Mu, Yajie [1 ]
Zheng, Trillion Q. [1 ]
Igarshi, Seiki [2 ]
机构：
[1] Beijing Jiaotong Univ, Sch Elect Engn, Beijing 100044, Peoples R China
[2] Fuji Elect Co Ltd, Tokyo 1410032, Japan
来源：
2016 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2016年
基金：
中国国家自然科学基金;
关键词：
HVDC SYSTEMS; REQUIREMENTS; DESIGN;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Modular multilevel converter (MMC) is one of the promising voltage source converter topologies in the field of high voltage direct current (HVDC) transmission system. Based on analysis of the existing sub-module topologies, an improved half-bridge sub-module topology based on reverse blocking IGBTs (RB-HBSM) was proposed for solving the fault ride through issues. In this paper, the fault current blocking mechanism and the electrical stress of the main power switches are studied firstly in detail. Then the fault control flow chart is presented. Feasibility of the proposed sub-module topology and the fault protection theory are verified by simulation. The proposed RB-HBSM-MMC topology is able to block the fault current without changing the original control and modulation strategies compared with the conventional MMC, thus it further reduces the complicity of industry design.
引用
收藏
页数：7
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