Device Loading and Efficiency of Modular Multilevel Converter under Various Modulation Strategies

被引：0
|
作者：
Liu, Hui [1 ]
Ma, Ke [1 ]
Blaabjerg, Frede [1 ]
机构：
[1] Aalborg Univ, Dept Energy Technol, Aalborg, Denmark
来源：
2016 IEEE 7TH INTERNATIONAL SYMPOSIUM ON POWER ELECTRONICS FOR DISTRIBUTED GENERATION SYSTEMS (PEDG) | 2016年
关键词：
efficiency; modular multilevel converter; power loss; thermal; PULSE-WIDTH MODULATION; PWM STRATEGIES; ELIMINATION;
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) has been becoming a very important solution for high power and medium power applications, where the efficiency and reliability performance are crucial design considerations. In this paper, three widely used modulation methods for MMC, Phase Shift PWM (PSPWM), Phase Disposition PWM (PDPWM) and Nearest Level Modulation (NLM), are comprehensively investigated to uncover the desired solution for high transmission efficiency and system reliability. An important part of this paper is also devoted to reveal the impact of modulation schemes on the loading stress of the power devices in terms of power loss and thermal profiles, which are critical issues in terms of efficiency and reliability of the MMC. Special attention is given to the performance comparison of MMC under various modulation indexes as well as different switching frequencies when applying those modulations.
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页数：7
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