Model Predictive Control of a Modular Multilevel Converter with an improved capacitor balancing method

被引：0
|
作者：
Zhang, Shichong [1 ]
Bai, Baodong [1 ]
Chen, Dezhi [1 ]
机构：
[1] Shenyang Univ Technol, Sch Elect Engn, Shenyang, Liaoning, Peoples R China
来源：
2018 INTERNATIONAL POWER ELECTRONICS CONFERENCE (IPEC-NIIGATA 2018 -ECCE ASIA) | 2018年
关键词：
modular multilevel converter; MMC; model predictive control; capacitor voltage balancing control;
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：
The modular multilevel converter (MMC) has a very good development prospect, however, still has a lot of problems and challenges, one of the essential problems is more intense computational burden with the voltage level of the MMC increasing. An improved model predictive control method that adopted establishing the cost functions and choosing the optimal switching state to realize sub-module capacitor voltage balancing control of the MMC is proposed in this paper. A relatively small number of sub-modules inserted or bypassed of each branch are selected by the cost function, and the number of calculating the cost function using this method is reduced to decrease computational burden. The proposed improved method is verified by simulation system based on 11-level MMC using MATLAB/Simulink.
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页码：2638 / 2645
页数：8
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