Evaluation of a proper controller performance for maximum-power point tracking of a stand-alone PV system |
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| Authors: | Abd El-Shafy A Nafeh Faten H Fahmy Essam M Abou El-Zahab |
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| Affiliation: | a Electronics Research Institute, Cairo, Egypt;b Faculty of Engineering, Cairo University, Giza, Egypt |
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| Abstract: | In this paper the implementation of a suggested stand-alone PV system, for maximum-power point tracking (MPPT), is carried out. Also, this paper presents a comparative study, through experimental work, between the conventional PI controller and the fuzzy logic controller (FLC) under different atmospheric conditions. The implemented system with both the PI controller and the FLC gives a good maximum-power operation of the PV array, but the tracking capability for different optimum operating points is better and faster for the case of using the FLC compared to the case of using the PI controller. |
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| Keywords: | Maximum-power point tracking PI controller Fuzzy logic controller Implemented PV system Direct-coupled PV system |
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