YENİ BİR YÖNTEMLE FOTOVOLTAİK MODÜLLERİN İÇ VE DIŞ SICAKLIK KATSAYILARININ KARŞILIŞTIRILMASI

Bu çalışmada, fotovoltaik modüllerin iç ve dış ortamda elde edilen sıcaklık katsayılarının karşılaştırılması için yeni bir yöntem ortaya konmuştur. Fotovoltaik modüllerin/örgülerin gerçek performanslarının doğru bir şekilde simüle edilebilmesi için doğru sıcaklık katsayılarının kullanılması oldukça önemlidir. Bu yüzden, gerçek performansın simülasyonunda hangi tip sıcaklık katsayılarının (iç veya dış) daha doğru sonuçlar vereceği belirlenmelidir. Kısa devre akımı, açık devre gerilimi, maksimum çıkış gücü ve üretilen enerji gerçek performans parametreleri olarak kabul edilmişlerdir. Bu çalışmada ortaya konan yeni yöntem, gerçek performansı iç ve dış ortam sıcaklık katsayıları için simüle etmekte ve hangi tip sıcaklık katsayılarının daha doğru olduğunu belirleyebilmek için dış ortamda ölçülen gerçek performansla karşılaştırmaktadır.

Anahtar Kelimeler:

Sıcaklık Katsayısı, Fotovoltaik Modül, Fotovoltaik Örgü, Fotovoltaik Performans

New Method to Compare Indoor and Outdoor Temperature Coefficients of Photovoltaic Modules

In this study, a new method is presented to compare the indoor and outdoor temperature coefficients of photovoltaic module. Precise input of temperature coefficients introduced in the simulation is very essential to obtain accurate results about the actual performance of photovoltaic module/array. Thus, it is important to specify which type (indoor or outdoor) of the temperature coefficient is more accurate in simulating the actual performance. The short circuit current, the open circuit voltage, the output peak power and produced energy are considered as actual performance indexes. New method proposed in this study, simulates the actual performance for both indoor and outdoor temperature coefficients and compares with actual performance measured at field to decide which type of temperature coefficient is more accurate.

Keywords:

Temperature Coefficient, Photovoltaic Module, Photovoltaic Array, Photovoltaic Performance,

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