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DEĞİŞTİR&GÖZLEMLE VE BULANIK MANTIK YÖNTEMLERİ İLE FOTOVOLTAİK SİSTEMLERDE MAKSİMUM GÜÇ NOKTASI TAKİBİNİN KARŞILAŞTIRILMASI

COMPARISON OF FUZZY LOGIC AND PERTURB&OBSERVE CONTROL IN MAXIMUM POWER POINT TRACKING FOR PHOTOVOLTAIC SYSTEM USING BUCK CONVERTER

Journal Name:

  • Mugla Journal of Science and Technology

Publication Year:

  • 2017
DOI: 
10.22531/muglajsci.273181

Key Words:

Keywords (Original Language):

Author NameUniversity of Author
Abstract (2. Language): 
Recently, interest in solar energy has been increasing due to the decrease of traditional energy sources and the increase of energy demand. Solar energy has been preferred because it is environment friendly, pollution-free, unlimited and cost-effective. Electricity from solar energy is obtained by using photovoltaic (PV) systems. The efficiency of photovoltaic systems changes depending on the changing environmental conditions. The two most important factors affecting the operation of photovoltaic systems are solar irradiance and temperature. Under fast changing environmental conditions, maximum power point tracking (MPPT) should be done in order to work at the maximum power point of PV system. Maximum power point tracking tracks the operating point corresponding to the maximum power point. Thus, maximum power can be obtained from PV system. In this study, simulation of the maximum power point tracking was carried out using Perturb &Observe and Fuzzy Logic Control methods and the results of these methods were compared. According to the simulation results, it was seen that fuzzy logic control method was better than perturb&observe method for following the maximum power point (MPP).
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Abstract (Original Language): 
Son zamanlarda, geleneksel enerji kaynaklarının azalması ve buna karşılık enerji talebinin artmasından dolayı güneş enerjisine olan ilgi artmaktadır. Güneş enerjisi, atmosfer dostu olması, kirliliğe yol açmaması, sınırsız olması ve masrafsız olması nedeniyle tercih edilmektedir. Güneş enerjisinden elektrik, fotovoltaik sistemler kullanılarak elde edilmektedir. Fotovoltaik sistemlerin verimi değişen ortam koşullarına bağlı olarak değişmektedir. Fotovoltaik sistemlerin çalışmasını etkileyen en önemli iki faktör, güneş ışınım miktarı ve sıcaklıktır. Değişen ortam koşulları altında PV sistemin maksimum verimde çalışmasını sağlamak için maksimum güç noktası takibi yapılmalıdır. Maksimum güç noktası takibi(MGNI), maksimum güç noktasına karşılık gelen çalışma noktasını izler ve PV sistemden maksimum güç elde edilmesini sağlar. Bu çalışmada, Değiştir&Gözlemle ve Bulanık Mantık yöntemleri ile değişen ortam koşulları altında maksimum güç noktası takibi yapılmıştır ve iki yönteme ait sonuçlar karşılaştırılmıştır. Simülasyon sonuçlarına göre, bulanık mantık kontrol metodunun maksimum güç noktasını takip etmede değiştir & gözlemle metoduna göre daha iyi olduğu görülmüştür.
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PDF icon arastirmax-degistirgozlemle-bulanik-mantik-yontemleri-ile-fotovoltaik-sistemlerde-maksimum-guc-noktasi-takibinin-karsilastirilmasi.pdf
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  • Turkish

REFERENCES

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Okan Bingöl, Burçin Özkaya, Serdar Paçacı
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