SVPWM Technique for Decentralized Controlled Three-Phase, Multi-Level Power Converters

Authors

Corressponding author's email:

npcong.sdh21@hcmut.edu.vn

DOI:

https://doi.org/10.54644/jte.2025.1774

Keywords:

Space vector pulse width modulation, Multilevel power converter, Decentralized control, Power converter, Pulse width modulation

Abstract

This paper presents the implementation of space vector pulse width modulation (SVPWM) for local controllers in a decentralized modular multilevel power converter (MMC) structure. The modules are established to communicate with four neighboring modules, two modules in columns and two modules in a phase. The switching vectors and switching times are automatically determined by the modules based on the information received by the modules during the communication process. The proposed structure and method enable the decentralized power converters to automatically adjust the dynamic structure when some modules fail or according to the criteria of optimizing operating conditions. The communication settings and implementation of SVPWM can be viewed as a multilevel modulation method. Each local controller is responsible for calculating the pulse width modulation (PWM) signals for each individual module, the number of calculations required in a PWM cycle is much lower when compared to the power converter using a centralized controller. A model of the decentralized control power converter is built on Matlab/Simulink software to evaluate the proposals.

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Author Biographies

Phu Cong Nguyen, Ho Chi Minh City University of Industry and Trade, Vietnam

Phu Cong Nguyen was born in Ho Chi Minh City, Vietnam, on March 28, 1983. He is currently working at the Department of Electrical and Electronics Engineering, Ho Chi Minh City University of Industry and Trade (HUIT). He is currently studing towards the Ph.D. degree at the Faculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University Ho Chi Minh City. His research interests include power electronics and automatic controls. His current research interests include multilevel, multiphase decentralized power converters.

Email: npcong.sdh21@hcmut.edu.vn. ORICD:  https://orcid.org/0000-0002-3676-7524

Quoc Dung Phan, Ho Chi Minh City University of Technology, VNU-HCM, Vietnam

Quoc Dung Phan was born in Saigon (now Ho Chi Minh City), Vietnam, in 1967. He received his Dipl.-Eng. degree in electromechanical engineering from Donetsk Polytechnic Institute, Donetsk City, USSR (now Ukraine), in 1991. He received his Ph.D. degree in engineering sciences from Kyiv Polytechnic Institute, Kyiv City, Ukraine, in 1995. Currently, he is an Associate Professor in the Faculty of Electrical and Electronics Engineering at Ho Chi Minh City University of Technology (HCMUT), Vietnam National University - Ho Chi Minh City (VNU-HCM), Vietnam. His research interests include power electronics (especially multilevel and multiphase converter topology and control), control of electric machines, wind and solar power systems, artificial intelligence, and smartgrid.

Email: pqdung@hcmut.edu.vn. ORICD:  https://orcid.org/0000-0003-2289-5768

Dinh Tuyen Nguyen, Ho Chi Minh City University of Technology, VNU-HCM, Vietnam

Dinh Tuyen Nguyen was born in Binh Dinh, Vietnam, in 1982. He received the B.S. degree in electrical engineering from Ho Chi Minh City University of Technology, Ho Chi Minh City, Vietnam, in 2004, and a Ph.D. degree from the University of Ulsan, Ulsan, Korea, in 2012. He is currently a Lecturer with the Faculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology. His research interests include power electronics, electrical machine drives, low-cost inverters, and renewable energy sources, particularly matrix converters.

Email: ndtuyen@hcmut.edu.vn. ORICD:  https://orcid.org/0000-0002-1129-4468

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Published

28-11-2025

How to Cite

Nguyễn Phú Công, Phan Quốc Dũng, & Nguyễn Đình Tuyên. (2025). SVPWM Technique for Decentralized Controlled Three-Phase, Multi-Level Power Converters. Journal of Technical Education Science, 20(Special Issue 02(V), 13–24. https://doi.org/10.54644/jte.2025.1774

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