A P-type Modified Quadratic Gain Buck-Boost Converter for DC Microgrids

Authors

Keywords:

DC-DC non-isolated converter, DC micro grid, High voltage gain, Quadratic Boost, Buck-Boost converter

Abstract

A p-type modified quadratic gain buck-boost (PMQBB) converter is proposed in this paper. PMQBB converter topology evolution is based on the integration of a modified quadratic boost configuration with the p-type converter structure. Both of the inductors are in continuous conduction mode (CCM). The proposed PMQBB converter’s key features include a reduced component count, lower order, high voltage gain, and continuous input current. The proposed PMQBB converter exhibits a buck capability at a duty ratio D <= 0.2929. This paper provides a comprehensive description of the PMQBB converter, including its steady-state analysis, operating modes, and analysis of semiconductor voltage and current stress. To emphasize the PMQBB converter, a detailed comparative study is presented. A 40/400 V, 300 W hardware prototype is tested to authenticate the converter's performance. The experimental outcomes validate the superior performance and efficiency of the PMQBB converter, highlighting its suitability for high-gain applications.

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Author Biographies

Raviteja P., National Institute of Technology, Warangal

P. Raviteja (Graduate Student Member, IEEE) was born in Telangana, India. He received his B.Tech and M.Tech degrees in Electrical Engineering from Jawaharlal Nehru Technological University,Hyderabad, Telangana, India, in 2012 and 2015, respectively. He is currently pursuing Ph.D. degree in Electrical Engineering at the National Institute of Technology Warangal, Telangana, India. His research interests include switched-mode power supplies and high-gain DC–DC converters.

Narasimharaju B.L., National Institute of Technology, Warangal

B.L. Narasimharaju (S’10, M’12 and SM’16) (Senior Member, IEEE) was born in Gowribidhanur, Karnataka, India on 20th May 1975. He received the B.E. in electrical engineering, and M.E degrees in Power Electronics, from University Visvesvaraya College of Engineering (UVCE), Bangalore, India, in 1999 and 2002 respectively, and the Ph.D degree from the Indian Institute of Technology Roorkee (IIT Roorkee), Roorkee, India, in 2012. He worked as Project Trainee at ABB Bangalore, India from March 2001 to August 2001, and since then till March 2002, he worked at LRDE, Ministry of Defense, India. He was a Teaching Assistant with UVCE from 2002 to 2003. From 2003 to 2012, he was a Faculty of Electrical Engineering at Manipal Institute of Technology (MIT), Manipal University, Manipal, India. Currently, he is a Professor of Electrical Engineering, National Institute of Technology Warangal, India. His research credential includes, executed funded research projects worth of 3.50 crores, 09 Ph.D guidance, more than 100 research publications. His research interests include power converter design, control, electric drives, implementation, and applications in rural & urban community relevance

Naresh S.V.K. , SRM University-AP

S.V.K. Naresh (Member, IEEE) received his B.Tech degree in Electrical and Electronics Engineering from Jawaharlal Nehru Technological University Kakinada, India, in 2015, and his M.Tech degree in Power Electronics and Power Systems from the National Institute of Technology Goa, India, in 2017. He earned his Ph.D. in Electrical Engineering from the National Institute of Technology Andhra Pradesh, India, in 2023. Following his doctoral studies, he served as a Postdoctoral Fellow at the National Water and Energy Center, United Arab Emirates University, Al Ain, UAE, from August 2023 to October 2024. He later worked as a Senior Engineer at CastNX Pvt. Ltd., Indore, India, from Dec 2024 to May 2025. He is currently working as an Assistant Professor in the Department of Electrical and Electronics Engineering at SRM University Andhra Pradesh, India. His research interests include high-gain DC-DC converters, microinverters, fault-tolerant multilevel inverters, and reliability assessment of power converters.

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Published

2025-10-01

How to Cite

P., R., B.L., N., & S.V.K. , N. (2025). A P-type Modified Quadratic Gain Buck-Boost Converter for DC Microgrids. IEEE Latin America Transactions, 23(11), 1036–1049. Retrieved from https://latamt.ieeer9.org/index.php/transactions/article/view/9621

Issue

Vol. 23 No. 11 (2025): Ordinary Issue

Section

Electric Energy