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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Haider Fadel
University of Thi-Qar
Control & Systems Engineering Electrical & Electronics Engineering

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Performance analysis of capacitor voltage balancing in modular multilevel converter by sorting algorithm Ali Salam Al-Khayyat; Amel Ahmad Ridha; Haider Fadel
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 13, No 3: September 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v13.i3.pp1548-1557

Abstract

Due to the modularity of modular multilevel converter (MMC), therefore it has been considered as a substitute for the diode-clamp multilevel inverter in applications of high-voltage high-power. Where it can obtain any level of voltage without imposing complexity on the control system. This study analyses in detail the operation principle and balances the capacitor voltage of sub-module (SM) in modular multilevel converter by sorting algorithm. The output voltage control and capacitor voltage balancing technique are confirmed by MATLAB/Simulink and the obtained result has been discussed, where the capacitor voltage of the sub-module has controlled within the acceptable deviation limit, which is 5-10%. In addition, the circulating current has been controlled and reduced.
Co-Authors Ali Salam Al-Khayyat Amel Ahmad Ridha