Comparison of Sliding Mode and Fuzzy Logic MPPT Techniques for PV Systems

Abstract

In this study, the comparison of the sliding mode controller and Fuzzy logic controller techniques with the simulation studies has been performed for the monitoring of the maximum power point in photovoltaic systems. In the study, simulation studies were carried out for different climatic conditions and robustness tests were performed for both MPPT algorithms. Maximum power transfer from PV panels is realized in both algorithms. However, the SMC algorithm captured the maximum power point faster than the FLC algorithm system and followed it with higher efficiency. The simulation studies were carried out with the PSIM program and results were presented to evaluate the performance of the proposed systems.

Keywords

• PV system,maximum power point tracker,SMC,FLC

PV Sistemler için Kayan Kipli ve Bulanık Mantık MPPT Tekniklerinin Karşılaştırılması

Abstract

Bu çalışmada, fotovoltaik sistemlerde (PV) maksimum güç noktasının takibi (MPPT) için kayan kipli denetleyici (SMC) ve Bulanık mantık denetleyici (FLC) tekniklerinin simülasyon çalışmaları ile karşılaştırılması gerçekleştirilmiştir. Çalışmada farklı iklim koşulları için simülasyon çalışmaları yapılarak her iki MPPT algoritması için sağlamlık testi yapılmıştır. Her iki algoritmada da PV panellerden maksimum güç aktarımı gerçekleştirilmiştir. Fakat SMC algoritmalı sistemin FLC algoritmalı sisteme göre maksimum güç noktasını daha hızlı yakalamış ve daha yüksek verimle takip etmiştir. Yapılan simülasyon çalışmaları PSIM programı ile yapılmış ve önerilen sistemlerin performansını değerlendirmek için sonuçlar sunulmuştur.

Keywords

• PV sistem,maksimum güç noktası takibi,SMC,FLC

References

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