A Study on Quality of 12-Pulse Rectifier Source Feeding Three-Level T-NPC Inverter Under Switch-Open-Circuit Fault SVPWM Control

Published online: 31/10/2025

Các tác giả

Email tác giả liên hệ:

lnhphong.sdh221@hcmut.edu.vn

DOI:

https://doi.org/10.54644/jte.2025.1791

Từ khóa:

Common-mode voltage, Switch-open-circuit, Three-level t-type neutral-point-clamped inverter, Twelve-pulse rectifier, Phase-shifting transformer, Fault-tolerant control

Tóm tắt

This paper studies the quality of a 12-pulse diode rectifier source feeding a three-level T-NPC inverter working under a space vector PWM control for switch-open-circuit fault, denoted as SVPWM2. Before the occurence of the aforementioned fault, the inverter was working under conventional reduced common-mode voltage space vector PWM algorithm, denoted as SVPWM1 and providing the output voltage for a three-phase R-L load. The input and output currents of phase-shifting transformer, the input power factor of transformer, and the capacitor voltages at the DC-link are investigated. Simulation results show that the SVPWM2 method has the same characteristics as pre-fault space vector method (SVPWM1) in terms of total harmonic distortion of transformer primary and secondary currents, as well as input power factor. However, SVPWM2 has higher deviation in capacitor voltage compared to SVPWM1. Regarding to power losses, SVPWM2 has higher switching loss yet lower conduction loss than those of SVPWM1. The overall efficiency of SVPWM2 is slightly higher compared to that of SVPWM1.

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Tiểu sử của Tác giả

Nguyen Hong Phong Le, Ho Chi Minh City University of Technology (HCMUT), VNU-HCM, Vietnam

Nguyen Hong Phong Le received the B.S. degree from Industrial University of Ho Chi Minh City, Vietnam, in 2012, and the M.S. degree from University of Technology, Vietnam National University Ho Chi Minh City (HCMUT-VNU), Vietnam, in 2018, respectively, both in Electrical Engineering. He is currently pursuing the Ph.D. degree in Electrical Engineering at HCMUT-VNU, Vietnam. His research interests include modeling and control of power electronics converters and pulse-width modulation techniques for multilevel inverters.

Email: lnhphong.sdh221@hcmut.edu.vn. ORCID:  https://orcid.org/0009-0000-0992-9412

Dang Khoa Pham, Ho Chi Minh City University of Technology (HCMUT), VNU-HCM, Vietnam

Dang Khoa Pham was born in Ho Chi Minh City, Vietnam in 1990. He received his B.S and M.S. degrees in Electrical Engineering from the Ho Chi Minh University of Technology, Ho Chi Minh City, Vietnam, where he is presently working towards his Ph.D. degree in Electrical Engineering. His current research interest includes AC motor control, renewable energy, and PWM converters.

Email: khoadangpham@hcmut.edu.vn. ORCID:  https://orcid.org/0000-0003-3875-285X

Tan Luong Van, Ho Chi Minh City University of Industry and Trade, Vietnam

Tan Luong Van received the B.S and M.S degrees in electrical engineering from Ho Chi Minh City University of Technology, Ho Chi Minh city, Vietnam, in 2003 and 2005, respectively, and Ph.D degree in electrical engineering from Yeungnam University, Gyeongsan, South Korea in 2013. Currently, he has been a Faculty Member in the Dept. of Electrical and Electronic Engineering, Ho Chi Minh City University of Industry and Trade, Ho Chi Minh City, Viet Nam. His research interests include power converters, dc/dc converters, machine drives, wind power generation, power quality and power system.

Email: luongvt@huit.edu.vn. ORCID:  https://orcid.org/0000-0002-8151-3785

Duc Hieu Nguyen, Tra Vinh University, Vietnam

Duc Hieu Nguyen is currently with Tra Vinh University, Tra Vinh, Vietnam as a lecturer. His research interests include electrical machines, power electronics and automation control in industry.

Email: ndhieu@tvu.edu.vn. ORCID:  https://orcid.org/0009-0002-0141-7695

Van Nho Nguyen, Ho Chi Minh City University of Technology (HCMUT), VNU-HCM, Vietnam

Van Nho Nguyen (Member, IEEE) was born in Vietnam in 1964. He received the M.S. and Ph.D. degrees in electrical engineering from the University of West Bohemia, Plzen, Czech Republic, in 1988 and 1991, respectively. Since 1992, he has been with the Department of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology, Ho Chi Minh City, Vietnam, where he is currently an Associate Professor. He was with the Korea Advanced Institute of Science and Technology as a Postdoctoral Fellow for six months in 2001 and a Visiting Professor for one year in 2003-2004. His research interests include modeling and control of switching power active filters, and pulse width modulation techniques for power converters.

Email: nvnho@hcmut.edu.vn. ORCID:  https://orcid.org/0000-0002-0181-5469

Tài liệu tham khảo

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Tải xuống

Đã Xuất bản

2025-10-31

Cách trích dẫn

[1]
N. H. P. Le, D. K. Pham, T. L. Van, D. H. Nguyen, và V. N. Nguyen, “A Study on Quality of 12-Pulse Rectifier Source Feeding Three-Level T-NPC Inverter Under Switch-Open-Circuit Fault SVPWM Control: Published online: 31/10/2025”, JTE, tháng 10 2025.

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