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Abstract
A zero-voltage-transition (ZVT)-based ripple steering interleaved boost converter is proposed in this paper for power factor correction. The ZVT auxiliary circuit enables soft-switching, reducing the current input ripple and the stress on the main circuit device. The proposed converter achieves better performance in terms of THD and power factor with fewer elements, reducing size and cost. A non-linear current control strategy is employed to suppress harmonics in the supply current. The theoretical study and design are validated through simulations and laboratory tests. Automatic current sharing characteristic is an added advantage when interleaved boost converters are employed. In this work, the devices in the semiconductor power are soft switched and consequently, the losing switches are eliminated, thereby making the across the switchers there is stress voltage which is very less. The results show that the converter achieves ZVT operation, reducing switching losses and improving efficiency. The measured supply current THD is 3.029%, and the switching frequency hardly affects the soft switching performance. The converter proposed reduces the stress on the devices and significantly lowers the switching loss when compared to hard switching. The proposed ZVT-based IBC accomplishes soft switching operation and lessens the number of power devices, improving power factor and efficiency.
Ethics approval and consent to participate
No participation of humans takes place in this implementation process.
Human and animal rights
No violation of Human and Animal Rights is involved.
Funding
No funding is involved in this work.
Data availability statement
Data sharing does not apply to this article as no datasets were generated or analyzed during the current study.
Conflict of interest
The author declares no conflict of interest.
Authors' contributions
The author confirms responsibility for the study conception and design, analysis and interpretation of results, and manuscript preparation.
ACKNOWLEDGMENT
The author acknowledges Dr. Seyezhai for providing support and motivation, as well as the management of SSN College of Engineering for granting access to laboratory facilities to conduct the work, expressing gratitude for both.
DECLARATION
This research paper is original, and none of its content has been previously published.
Additional information
Notes on contributors
A. Inba Rexy
A. Inba Rexy, an Associate Professor in the Department of Electrical and Electronics Engineering at Loyola ICAM College of Engineering and Technology, Loyola Campus, Chennai, has a Doctorate in Electrical Engineering from Anna University and over 16 years of professional experience in renowned engineering institutions. She has authored several research articles, which have been published in prominent international journals. Her research interests revolve around power converters, including the design of interleaved boost converters, controller design for DCDC converters, and renewable energy systems.
R. Seyezhai
R. Seyezhai, a Professor of Electrical and Electronics Engineering at SSN College of Engineering, has a wealth of experience in teaching and research spanning over 22 years, with a particular focus on Power Electronics and Renewable Energy Systems, in which she has researched for 15 years. She holds a PhD from Anna University, Chennai, and has an impressive record of over 250 research publications in internationally referenced journals and 150 in international and national conferences. Additionally, she has received approximately 25 best paper awards from various international conferences. Her research interests include electric vehicles, battery management systems, Quasi Z-source multilevel inverter for photovoltaic applications, reliability of power converters, LED drivers, and silicon carbide (SiC) & GaN power devices.