Fault response comparison of LCC-MMC hybrid topologies and conventional HVDC topology

被引：7
|
作者：
Lou, Boliang [1 ]
Zhou, Hua [1 ]
Xu, Zheng [2 ]
Wang, Shijia [2 ]
Xu, Yuzhe [2 ]
机构：
[1] State Grid Zhejiang Elect Power Co, Hangzhou, Zhejiang, Peoples R China
[2] Zhejiang Univ, Coll Elect Engn, Hangzhou, Zhejiang, Peoples R China
来源：
JOURNAL OF ENGINEERING-JOE | 2019年 / 16期
关键词：
invertors; HVDC power convertors; rectifiers; HVDC power transmission; voltage-source convertors; power transmission faults; conventional line commutated converter-based HVDC systems; fault responses; conventional LCC-HVDC topology; fault response comparison; LCC-MMC hybrid topologies; conventional HVDC topology; modular multilevel converter; DC line fault; AC faults; DC fault clearance; FREQUENCY;
D O I：
10.1049/joe.2018.8828
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The modular multilevel converter (MMC) can be used to upgrade conventional line commutated converter-based HVDC systems (LCC-HVDC), construct the hybrid topologies of LCC and MMC to acquire better fault responses. In this study, the mechanisms of three kinds of hybrid topologies for dc fault clearance are firstly analysed. Then the fault responses of the three hybrid topologies and the conventional LCC-HVDC topology are detailedly compared, including dc line fault and ac faults at both rectifier side and inverter side. The comparison helps demonstrate the degree of improvement when MMC is adopted to upgrade the conventional LCC-HVDC.
引用
收藏
页码：2068 / 2073
页数：6
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