Back-to-Back HVDC Based on Modular Multilevel Converter

被引：0
|
作者：
Chuco, B. [1 ]
Watanabe, E. H. [1 ]
机构：
[1] Univ Fed Rio de Janeiro, COPPE, Rio de Janeiro, Brazil
来源：
XI BRAZILIAN POWER ELECTRONICS CONFERENCE (COBEP 2011) | 2011年
关键词：
HVDC Modular Multilevel Converter; Low Frequency Switching;
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：
This paper focuses on the dynamic performance of an back-to-back HVDC system (HVDC-MMC) using Modular Multilevel Converter (MMC). Based on the proposed Low Frequency Switching (LFS) strategy, including a voltage balancing method, the mathematical model for the HVDC-MMC is developed. Dynamic performance of HVDC-MMC, based on time-domain simulation studies in the PSCAD/EMTDC software tool is evaluated. As a results, it shown that the LFS adopted for MMC-HVDC system can respond satisfactorily during contingencies such as, sudden change on active power flow direction and balanced short circuit at the inverter system side, maintaining balanced voltage at all the dc capacitors.
引用
收藏
页码：970 / 976
页数：7
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