Abstract
Non-isolated pulse-width modulated (PWM) DC–DC converters are the basic building blocks in the power stage of various applications. Irrespective of the application, the primary function of the DC–DC converters is to match the available input voltage with the required load voltage. Hence, the voltage gain (G) of a DC–DC converter is of primary interest. Typically, converters are obtained either by combining the existing topologies or by intuition. In this paper, a process to derive converter topologies from a required voltage gain (G) expression is introduced. The complexity of this inverse problem increases with an increase in the order of the converter. A mathematical analysis of the complexities is carried out. A simple strategy to solve the inverse problem is also reported. A novel second-order converter topology is identified while solving the inverse problem, resulting in quadratic buck gain. The operation of this topology is verified using PLECS simulations.
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Acknowledgements
This work was supported by IUSSTF in partnership with Department of Science and Technology, Government of India, under Grant no. IUSSTF/JCERDC-Smart Grids and Energy Storage/2017.
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Panigrahi, R., Mishra, S.K., Joshi, A. (2021). Inverse Problem of Converter Synthesis: Formulation, Complexities, and Solution. In: Mohapatro, S., Kimball, J. (eds) Proceedings of Symposium on Power Electronic and Renewable Energy Systems Control. Lecture Notes in Electrical Engineering, vol 616. Springer, Singapore. https://doi.org/10.1007/978-981-16-1978-6_14
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