Model Predictive Control of Modular Multilevel Converter with Reduced Computational Load

被引：0
|
作者：
Wang, Yue [1 ]
Cong, Wulong [1 ]
Li, Ming [1 ]
Li, Ning [1 ]
Cao, Mu [1 ]
Lei, Wanjun [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Engn, Xian 710049, Peoples R China
来源：
2014 TWENTY-NINTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2014年
关键词：
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 a promising topology for high voltage/power AC/DC and DC/AC applications. Model Predictive Control (MPC) is an advanced and simple method for power converters control. However, its computational load becomes unacceptable when MMC voltage level increases. An improved MPC for MMC is proposed in the paper. The submodule capacitor voltages are sorted according to the leg current polarity, the proposed MPC decreased the number of the possible actuations in each phase from C-2N(N) to N+1 for N+1 level MMC. The proposed MPC is verified and evaluated by a MMC-based STATCOM in PSCAD/EMTDC. The results show fast and accurate tracking in reactive current reference. The total DC voltage variation is limited below 1% during the 1.75 cycles transient.
引用
收藏
页码：1776 / 1779
页数：4
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