OPTIMISATION OF THE PHOTOVOLTAIC GRID CONNECTED SYSTEM USING FUZZY LOGIC CONTROL
This paper presents a maximum power point tracker (MPPT) using fuzzy logic for a PV grid connected system. Since the PV
array characteristic is hardly nonlinear, conventional control technics could be inefficient for an optimal use of these systems.
Knowing that PV systems are still very expensive, therefore a fuzzy logic controller is proposed to ensure the transfer of the
maximam power to the utility grid system. This method has proved its effeciency and robustness inspite of climatic conditions
Tracker Using Fuzzy Control for Photovoltaic Arrays,"
IEEE Int. Conf. Oni. Tech 1994, pp : 143-147.
 I. H. Atlas and A. M. Sharaf, "A Novel Fuzzy Logic
Controlleur for Maximum Power Extraction from a PV
Array Driving a Three Phase Induction Motor," IEEE
Transactions on Energy conversion, 1994, pp : 853-
 Amal Z. Mohamed, Mona N. Eskander, and Fadia A.
Ghali ,"Fuzzy Logic Control based Maximum Power
Tracking of a Wind Energy System," IEEE
Transactions on industry Applications, 2001, pp :236-
 Johan H. R. Enslin and all "Integrated Photovoltaic
Maximum Power Point Tracking Converter," IEEE
Energy Convers. Mgmt 1997, pp : 770-773.
 M.Godoy Simoes, N.N.France schetti and M..Fried
hofer “A Fuzzy logic based Photovoltaic Peak Power
tracking Controller” IEEE Renewable Energy, 1998,
 T.Kawamura and all “Analysis of MPPT
Characteristics in Photovoltaic Power System” Energy
and building, 1997, pp : 156-165.
 H. Mashaly and all “Fuzzy Logic Controller For
Photovoltaic-Utility Interfacing Scheme” IEEE
Transactions on Energy, 1994, pp : 715-718.
 O. Wasynczuk, and O. Wasynczuk, "Modelling and
dynamic performance of a line-commutated
photovoltaic inverter System, " IEEE