Polar coordinated fuzzy controller based real-time maximum-power point control of photovoltaic system

Syafaruddin,, Engin Karatepe and Takashi Hiyama

Renewable Energy, 2009, vol. 34, issue 12, 2597-2606

Abstract: It is crucial to improve the photovoltaic (PV) system efficiency and to develop the reliability of PV generation control systems. There are two ways to increase the efficiency of PV power generation system. The first is to develop materials offering high conversion efficiency at low cost. The second is to operate PV systems optimally. However, the PV system can be optimally operated only at a specific output voltage and its output power fluctuates under intermittent weather conditions. Moreover, it is very difficult to test the performance of a maximum-power point tracking (MPPT) controller under the same weather condition during the development process and also the field testing is costly and time consuming. This paper presents a novel real-time simulation technique of PV generation system by using dSPACE real-time interface system. The proposed system includes Artificial Neural Network (ANN) and fuzzy logic controller scheme using polar information. This type of fuzzy logic rules is implemented for the first time to operate the PV module at optimum operating point. ANN is utilized to determine the optimum operating voltage for monocrystalline silicon, thin-film cadmium telluride and triple junction amorphous silicon solar cells. The verification of availability and stability of the proposed system through the real-time simulator shows that the proposed system can respond accurately for different scenarios and different solar cell technologies.

Keywords: Photovoltaic; Real-time simulator; Maximum-power point; Artificial neural network; Fuzzy logic control (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (14)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:34:y:2009:i:12:p:2597-2606

DOI: 10.1016/j.renene.2009.04.022

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