An SVM Method for Three-Phase Quasi-Switched Boost Inverter to Eliminate Leakage Current

Authors

Corressponding author's email:

tridd@hcmute.edu.vn

DOI:

https://doi.org/10.54644/jte.2025.1562

Keywords:

Constant common-mode voltage, Eliminate leakage current, Three-phase inverter, Quasi-switched boost, Space vector modulation

Abstract

Three-phase quasi-switched boost inverter (qSBI) have many advantages such as buck-boost operation and shoot-through (ST) immunity. However, conventional control methods for qSBI generate high common-mode voltage (CMV) and leakage current. This paper presents configuartion and control scheme for qSBI to eliminate leakage current of the inverter. Accordingly, the qSBI is modified by adding one inductor which is connected in series to the DC input source. In this topology, the CMV is the sum of CMV generated by inverter voltage vectors and the voltage of added boost inductor. The proposed scheme uses active vectors having the same CMV and ST vector to genertae output voltage. According to these vectors, the value of boost inductor is correspondingly selected to generate constant CMV. As a result, the leakage current of the inverter is eliminated. Simulation results with the help of PSIM software are used to verify the accuracy of the proposed method. Moreover, comparisons about quality of output voltage and the value of leakage current between the proposed method and conventional method are presented to figure out advantages/disadvantages of the proposed method.

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Author Biographies

Duc Tri Do, Ho Chi Minh City University of Technology and Education, Vietnam

Do Duc Tri. (Member, IEEE) was born in Vietnam in 1973. He received the B.S., M.S. and Ph.D degrees in electronic engineering from the Ho Chi Minh City University of Technology and Education, Ho Chi Minh City, Vietnam, in 1999, 2012 and 2021, respectively. He is currently a Lecturer with the Faculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology and Education. His current research interests include power converters for renewable energy systems.

Email: tridd@hcmute.edu.vn. ORCID:  https://orcid.org/0000-0002-4096-5208

Hoang Minh Le, Ho Chi Minh City University of Technology and Education, Vietnam

Le Hoang Minh was born in Vietnam in 1974. She received the B.S., M.S. and PhD   in electronic engineering from the Ho Chi Minh City University of Technology and Education, Ho Chi Minh city, Vietnam  in 2000, University of Technology Vietnam national University-Ho Chi Minh City in 2004, University of Sience  Vietnam national University-Ho Chi Minh City 2018, respectively. She is currently a Lecturer with the Faculty of Electrical and Electronics  Engineering Ho Chi Minh City University  of Technology and Education. Her new current research interests include power converters for renewable energy systems.

Email: minhlh@hcmute.edu.vn. ORCID:  https://orcid.org/0009-0009-8107-4995

Thanh Long Nguyen, An Giang Power Company, Vietnam

Nguyen Thanh Long was born in Vietnam in 1977. I received a degree in Electrical engineering and a Master of Electrical Engineering from the Ho Chi Minh City University of Technical Education, Ho Chi Minh City, Vietnam, in 2012 and 2019. I am currently the Deputy Technical Director of Long Xuyen Electricity of An Giang Power Company. My current research interests include power loss calculations, renewable energy systems.

Email: long.dllx.pcag@gmail.com. ORCID:  https://orcid.org/0009-0000-3492-1500

Vinh Thanh Tran, Ho Chi Minh City University of Technology and Education, Vietnam

Tran Vinh Thanh was born in Viet Nam, in 1995. He received the B.S., the M.S, and the Ph.D degrees in Electronic  Engineering from Ho Chi Minh City University of Technology and Education, Viet Nam, in 2018, 2020, and 2024, respectively. He is currently a Lecturer with the Faculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology and Education. His current research interests include impedance source inverters and control of multi-level inverters.

Email: thanhtv@hcmute.edu.vn. ORCID:  https://orcid.org/0000-0001-7135-5077

References

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Published

28-05-2025

How to Cite

[1]
Đỗ Đức Trí, Lê Hoàng Minh, Nguyễn Thanh Long, and Trần Vĩnh Thanh, “An SVM Method for Three-Phase Quasi-Switched Boost Inverter to Eliminate Leakage Current”, JTE, vol. 20, no. 02(V), pp. 34–44, May 2025.

Issue

Vol. 20 No. 02(V) (2025)

Section

Research Article

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