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Energies 2012, 5(11), 4590-4623; doi:10.3390/en5114590
Article

Asymmetrical Interleaved DC/DC Switching Converters for Photovoltaic and Fuel Cell Applications—Part 1: Circuit Generation, Analysis and Design 

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Received: 6 August 2012 / Revised: 21 October 2012 / Accepted: 23 October 2012 / Published: 14 November 2012
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Abstract

A novel asymmetrical interleaved dc/dc switching converters family intended for photovoltaic and fuel cell applications is presented in this paper. The main requirements on such applications are small ripples in the generator and load, as well as high voltage conversion ratio. Therefore, interleaved structures and voltage multiplier cells have been asymmetrically combined to generate new converters, which inherently operate indiscontinuous conduction mode. The novel family is derived from boost, buck-boost and flyback-based structures. This converter family is analyzed to obtain the design equations and synthesize a design process based on the typical requirements of photovoltaic and fuel cell applications. Finally, the experimental results validate the characteristics and usefulness of the asymmetrical interleaved converter family. 
Keywords: dc/dc switching converters; photovoltaic; fuel cell; interleaved topologies; asymmetrical interleaved; discontinuous conduction mode  dc/dc switching converters; photovoltaic; fuel cell; interleaved topologies; asymmetrical interleaved; discontinuous conduction mode 
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Arango, E.; Ramos-Paja, C.A.; Calvente, J.; Giral, R.; Serna, S. Asymmetrical Interleaved DC/DC Switching Converters for Photovoltaic and Fuel Cell Applications—Part 1: Circuit Generation, Analysis and Design . Energies 2012, 5, 4590-4623.

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