Fotovoltaik modüllerin akım-gerilim eğrilerinin simülasyonunda kullanılacak olan yöntemin seçimi

Bir fotovoltaik modülün performansını elde edebilmek için, modüle ait aydınlıktaki akım-gerilim eğrisinin bilinmesi gereklidir. Bu çalışmada, akım-gerilim eğrilerinin simülasyonunda kullanılan üç adet yöntem (analitik, iterasyona ve tamamen modül bilgilerine dayalı) belirlenen ölçütlere göre karşılaştırılmıştır. Bu ölçütler; doğruluk, hesaplama yükü, ilave bilgi/ekipman gerekliliği ve uygulanabilirliktir. Bu karşılaştırma sayesinde fotovoltaik kullanıcılar, hangi simülasyon yönteminin kendileri için daha uygun olacağına karar verebileceklerdir. Elde edilen sonuçlara göre tamamen modül bilgilerine dayalı yöntemler; sundukları yeterli doğruluk, sahip oldukları az hesaplama yükü ve ilave bilgi/ekipmana gerek kalmadan akım-gerilim eğrilenin simülasyonunu gerçekleştirdikleri için kullanıcılar açısından en uygulanabilir yöntemlerdir.

Selection of method used to simulate current-voltage curves of photovoltaic modules

In order to obtain photovoltaic performance of a photovoltaic module, it is essential to know its illuminated current-voltage curve. In this, study, three methods (analytical, iterative and solely based on datasheet) that used to simulate I-V curve were compared with respect to particular criteria. These criteria are accuracy, calculation burden, necessity of additional information/equipment and feasibility. This comparison will help photovoltaic users to decide which simulation method is more appropriate for them. Obtained results show that to simulate current-voltage curves methods solely based on datasheet having quite accuracy, less calculation burden and no additional information/equipment are most feasible according to photovoltaic users.

Keywords:

Photovoltaic performance, method, current-voltage curve simulation,

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