Design and Analysis of an Improved Gain Single Inductor Dual Switch DC-DC Converter with Reduced Duty Ratio and Minimal Voltage Stress

Authors

Keywords:

High-gain DC-DC converter, Non-isolated converters, Reduced voltage stress, Switched-capacitor

Abstract

This paper proposes an Improved Gain Single Inductor Dual Switch Converter (IGSIDSC) for the grid integration of solar and fuel cells, which achieves high voltage gain at reduced duty ratio and with less component count. The proposed converter is designed to operate with a duty ratio less than 50% to ensures reduced losses and less component stress This salient feature makes the proposed converter unique among the other converters reported so far. By reducing voltage stress on switches and diodes, the design permits the use of lower-rated components and reduces the cost. The common ground configuration helps to reduce dv/dt issue. The IGSIDSC is analyzed in steady state with consideration of parasitic resistance for all components of the converter. Further, the simulation results are validated through experimental investigation using the prototype developed in laboratory for the power rating of 200 W. Also, the investigations on steady-state performance and dynamic behavior of the experimental prototype effectively demonstrate the successful operation of the IGSIDSC.

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Author Biographies

Srimaheswaran V, National Institute of Technology Puducherry

V. Srimaheswaran received both a B.E. degree in EEE and a M.E. degree in Power Electronics and Drives from Bannari Amman Institute of Technology, Tamil Nadu, India, in 2009 and 2011, respectively. Currently, he is pursuing a Ph.D. degree at the National Institute of Technology Puducherry, Karaikal, India. His research interests include high gain DC–DC converters.

Niveditha N, National Institute of Technology Puducherry

N. Niveditha completed B.E in EEE from Government College of Engineering, Salem in 2014 and completed M.E in Power Electronics and Drives from Kongu Engineering College in 2016. Currently she is pursuing Ph.D in National Institute of Technology Puducherry, Karaikal, India. She is interested in Power electronics in renewable energy, hybrid solar and wind systems and Optimization techniques for sizing of renewable sources.

Rajan Singaravel M M, National Institute of Technology Puducherry

M.M. Rajan Singaravel completed his B.Tech. in EEE from SASTRA University, Thanjavur, India in 2008 and completed M.E. Power Electronics and Drives from P.S.G. College of Technology, Coimbatore in 2010. He completed his Ph.D. from National Institute of Technology, Tiruchirappalli in 2015.  He is currently working as an Assistant Professor in the Department of Electrical and Electronics Engineering, National Institute of Technology Puducherry, Karaikal, India. His interests are high gain DC-DC converters, power electronics for hybrid renewable energy systems and Net Zero Energy.

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Published

2025-03-07

How to Cite

V, S., N, N., & M M, R. S. (2025). Design and Analysis of an Improved Gain Single Inductor Dual Switch DC-DC Converter with Reduced Duty Ratio and Minimal Voltage Stress. IEEE Latin America Transactions, 23(4), 339–352. Retrieved from https://latamt.ieeer9.org/index.php/transactions/article/view/9396

Issue

Vol. 23 No. 4 (2025): Ordinary Issue

Section

Electric Energy