A novel PEMFC power conditioning system based on the interleaved high gain boost converter
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Power converter units are crucial components in proton exchange membrane fuel cell (PEMFC) energy generation systems. For this reason, and also motivated by the demands in high quality power conditioning for PEMFC systems, we propose the application of an interleaved high gain boost converter topology with a diode clamped multilevel inverter as power interface. The main advantages of the proposed scheme encompass: high voltage conversion ratio, input current ripple mitigation, and voltage balancing across output capacitors. These characteristics make this converter ideal for grid-connection purposes, acting as an interface for renewable energy sources that provide low voltages and demand low current ripples. The underlying theoretical analysis as well as simulation and experimental validation are presented in this paper. © 2018 Hydrogen Energy Publications LLC
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Rosas-caro, Julio (Institution of Engineering and Technology, 2018-07-10)The authors propose a novel step-up converter with stackable switching stages that is suitable for renewable energy applications. On the one hand, the converter gain corresponds to that of the traditional quadratic boost ...
Quadratic buck-boost converter with positive output voltage and continuous input current for PEMFC systems Rosas-caro, Julio; Valderrábano González, Antonio (Elsevier Ltd, 2017-12)Electrical power processing is an essential component of proton exchange membrane fuel cell (PEMFC or simply FC) conversion systems. The first stage of power conditioning usually consists of a DC–DC converter that enables ...
Rosas-caro, Julio (Elsevier Ltd, 2017-12)This paper proposes a buck-boost converter topology with continuous input-current capability for proton exchange fuel cells (PEMFC) systems. The continuous input-current feature of the converter contributes to maintain the ...