Topology review of three-phase two-level transformerless photovoltaic inverters for common-mode voltage reduction

TD Duong, MK Nguyen, TT Tran, DV Vo, YC Lim… - Energies, 2022 - mdpi.com
In grid-connected photovoltaic (PV) systems, a transformer is needed to achieve the
galvanic isolation and voltage ratio transformations. Nevertheless, these traditional …

Pulse-width Modulation Techniques in Two-level Voltage Source Inverters–State of the Art and Future Perspectives

D Chattejee, C Chakraborty, S Dalapati - Power Electronics and Drives, 2023 - sciendo.com
The core of most power electronic systems involving DC/AC conversion is a voltage source
inverter (VSI) that runs on some pulsewidth modulation (PWM) strategy. Numerous PWM …

A switched-boost four-leg inverter with leakage current mitigation

TD Duong, MK Nguyen, TT Tran… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A new switched-boost four-leg inverter is proposed in this article. By using two power
switches in the switched-boost network as the fourth leg, the proposed inverter achieves …

A Reduced Common Mode Voltage Control Scheme for Three-Level H10 Converter Considering Dead-Time Effect

B Long, ZH Chen, CK Hu, J Rodriguez… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
Common-mode voltage (CMV) has several negative effects on photovoltaic (PV) grid-
connected systems and motor drives. To reduce CMV, converter topology improvement …

Highly-Reliable Switched-Boost Four-Leg Inverter with Leakage Current Suppression

DT Do, NA Truong, MK Nguyen, TD Duong - IEEE Access, 2024 - ieeexplore.ieee.org
In this paper, a new switched-boost four-leg inverter is proposed to suppress the leakage
current and provide high reliability. The proposed inverter provides full shoot-through …

Grid-Connected Converter Test System With a Single DC Power Supply

YH Chang, TF Wu, JY Chiu… - 2024 13th International …, 2024 - ieeexplore.ieee.org
Grid emulators (GE) provide an excellent test platform for grid-coupled inverters (GC),
greatly reducing product development time. However, conventional grid emulators require a …

Three-Phase Four-Leg Quasi-Z-source Inverter with Constant Common-Mode Voltage

TL Van - Journal of Electrical Engineering & Technology, 2024 - Springer
This article proposes a three-phase two-level quasi-Z-source inverter based on the four-leg
structure to provide the constant common-mode voltage. The proposed four-leg inverter can …

Non-isolated On-Board Charger Capable of Reducing Common Mode Leakage Current and Balancing Voltage of Y-capacitor on High Voltage Battery

DI Lee, SM Hong, JB Lee, HS Youn… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
This paper proposes a novel non-isolated on-board charger that can reduce common-mode
leakage current and balance the voltage of Y-capacitors on a high-voltage battery. The …

Nghịch Lưu Tăng Áp Ba Pha Ba Bậc Hình F

DT Do, MD Ho, TL Van - Journal of Technical Education Science, 2023 - jte.edu.vn
This study introduces a new inverter configuration called the F-Type three-level boost
inverter (3L-qSBFTI). The aim of this configuration is to enhance both the voltage factor and …