Direct coupling photovoltaic power regulator for stand-alone power systems with hydrogen generation |
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Authors: | A. Garrigó s,J.M. BlanesJ. Rubiato,E. Á vilaC.G. Garcí a,J.L. Lizá n |
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Affiliation: | Área de Tecnología Electrónica, Universidad Miguel Hernández de Elche, Avda. de la Universidad s/n, 03202 Elche, Alicante, Spain |
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Abstract: | This paper describes a photovoltaic power regulator aimed for photovoltaic stand-alone hydrogen-backup power systems. The main characteristics of the regulator are the following; it employs a modular approach where each power cell has three ports, one input and two outputs, the input port is connected to a photovoltaic source while the two output ports are connected to a battery and to an electrolyser, respectively. A second characteristic is that the proposed regulator is driven sequentially, minimising the regulator losses. The operation and features of the photovoltaic regulator are presented and analyzed. Design guidelines are suggested and experimental validation is also given for a 2 kW prototype. |
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Keywords: | Photovoltaic energy Hydrogen generation Electrolyser Direct coupling Direct energy transfer Power regulator |
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