NDLI: Bond graph modelling and dynamic study of a photovoltaic system using MPPT buck-boost converter

Content Provider	IEEE Xplore Digital Library
Author	Andouisi, R. Mami, A. Dauphin-Tanguy, G. Annabi, M.
Copyright Year	2002
Description	Author affiliation: Inst. Nat. de Recherche Scientifique et Technique B.P., Hammam-Lif, Tunisia (Andouisi, R.)
Abstract	Photovoltaic systems are composed of several elements as PV source, DC/DC or DC/AC converters, DC or AC machines, accumulators, pumps, fans, and refrigerators. These systems are therefore of hybrid type and their modelling is complex. This is why we used the bond graph methodology. The photovoltaic generator is a special source of finite energy with a non-linear current-voltage characteristic. Thus, performances of linear electrical circuits and systems supplied by conventional sources must be re-evaluated when a PV generator is used as energy source. In the first objective of simulation, we use an averaged bond graph model of a photovoltaic system composed of a PV generator coupled to a DC motor-pump through a buck-boost converter. This converter assures a MPPT (maximum power point tracking) behaviour of the system. In the second objective of stability study of the PV system, a direct linearization of the bond graph model is done. The results show a non minimality of phase of the velocity response. So the PV generator voltage is chosen as variable to be controlled in order to assure an MPPT functioning.
File Size	311294
File Format	PDF
ISBN	0780374371
ISSN	1062922X
DOI	10.1109/ICSMC.2002.1176036
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-06
Publisher Place	Tunisia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bonding Photovoltaic systems Power system modeling Analog-digital conversion AC machines Pumps Fans Refrigerators Solar power generation Character generation
Content Type	Text
Resource Type	Article

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