Asymmetrical Interleaved DC/DC Switching Converters for Photovoltaic and Fuel Cell Applications—Part 2: Control-Oriented Models

Eliana Arango, Carlos Andres Ramos-Paja, Javier Calvente, Roberto Giral and Sergio Ignacio Serna-Garces
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Eliana Arango: Universidad Nacional de Colombia, Medellin 05001000, Colombia
Carlos Andres Ramos-Paja: Universidad Nacional de Colombia, Medellin 05001000, Colombia
Javier Calvente: Universitat Rovira i Virgili, Tarragona 43007, Spain
Roberto Giral: Universitat Rovira i Virgili, Tarragona 43007, Spain
Sergio Ignacio Serna-Garces: Instituto Tecnológico Metropolitano, Medellin 05001000, Colombia

Energies, 2013, vol. 6, issue 10, 1-27

Abstract: A previous article has presented the members of the asymmetrical interleaved dc/dc switching converters family as very appropriate candidates to interface between photovoltaic or fuel cell generators and their loads because of their reduced ripple and increased current processing capabilities. After a review of the main modeling methods suitable for high-order converters operating, as the asymmetrical interleaved converters (AIC) ones, in discontinuous current conduction mode a full-order averaged model has been adapted and improved to describe the dynamic behavior of AIC. The excellent agreement between the mathematical model predictions, the switched simulations and the experimental results has allowed for satisfactory design of a linear-quadratic regulator (LQR) in a fuel-cell application example, which demonstrates the usefulness of the improved control-oriented modeling approach when the switching converters operate in discontinuous conduction mode.

Keywords: DC/DC switching converters; photovoltaic; fuel cell; interleaved topologies; asymmetrical interleaving; discontinuous conduction mode (DCM); control-oriented model (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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