Evaluation of a new maximum power point tracker (MPPT) applied to the photovoltaic stand-alone systems

In this paper a comparative study through experimental work between a new low-cost maximum power point tracker (MPPT) and the conventional configurations of the photovoltaic (PV) regulators under different atmospheric conditions is presented. The comparison is made by means of the energy production...

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Veröffentlicht in:	Solar energy materials and solar cells 2005-05, Vol.87 (1), p.807-815
Hauptverfasser:	Salas, V., Olías, E., Lázaro, A., Barrado, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Energy Equipments, installations and applications Exact sciences and technology Maximum power point tracker Natural energy Photovoltaic conversion PIC Power electronics PV stand-alone systems Solar energy
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Beschreibung
Zusammenfassung:	In this paper a comparative study through experimental work between a new low-cost maximum power point tracker (MPPT) and the conventional configurations of the photovoltaic (PV) regulators under different atmospheric conditions is presented. The comparison is made by means of the energy production obtained by the PV generator of each system. From the results obtained it can be concluded that, depending on the charge state of the batteries, the MPPT can increase the overall efficiency of the system between 2.8% and 18.5% compared with the performance of a conventional system.
ISSN:	0927-0248 1879-3398
DOI:	10.1016/j.solmat.2004.07.053