Evaluation of Optimal Switching of Modular Multilevel Inverter with Independent Voltage Sources

被引：5
|
作者：
Bubovich, Alexander [1 ]
Galkin, Ilya [1 ]
机构：
[1] Riga Tech Univ, Inst Ind Elect & Elect Engn, Riga, Latvia
来源：
2020 IEEE 61ST ANNUAL INTERNATIONAL SCIENTIFIC CONFERENCE ON POWER AND ELECTRICAL ENGINEERING OF RIGA TECHNICAL UNIVERSITY (RTUCON) | 2020年
关键词：
Modular multilevel converters; DC-AC power converters; circuit simulation; total harmonic distortion;
D O I：
10.1109/RTUCON51174.2020.9316581
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 deals with the problem of the defining optimal switching times in modular multilevel converters (MMC) with independent voltage sources, if no pulse width modulation (PWM) technique is used. By using MATLAB Simulink modulation several schematics were analyzed (starting from 3 level MMC till 15 level MMC) with different module switching patterns. Different switching patterns of modules of MMC are compared by one parameter - total harmonic distortion (THD) of the output voltage waveform. Mathematical background of calculation of optimal switching times is also presented.
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收藏
页数：4
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