Comparative Assessment of PV Plant Performance Models Considering Climate Effects
Comparative Assessment of PV Plant Performance Models Considering Climate Effects
- New search for: Tina, Giuseppe Marco
- New search for: Tina, Giuseppe Marco
- New search for: Ventura, Cristina
- New search for: Sera, Dezso
- New search for: Spataru, Sergiu
The climate conditions can affect the accuracy of photovoltaic (PV) system performance models that can be used for monitoring and diagnostic purposes. In this paper, an improved energetic physical model has been considered to estimate the power production of PV systems. Specifically, in this model, special attention has been devoted to the modeling of optical losses (IAM losses) and to the inverter efficiency under low-power conditions. A comparative analysis of the proposed model applied to two PV plants installed respectively in the north of Denmark (Aalborg) and in the south of Italy (Agrigento) has been performed. The different ambient, operating and installation conditions allow to understand how these factors impact the precision and effectiveness of such model. The experimental results show that the proposed model allows us to have a good estimation of AC power in terms of Relative Mean Bias Error, normalized Root-Mean-Square Error, and the Correlation Coefficient. Further in order to have the possibility to analyze and compare the performance of the studied PV plants with others, the efficiency of the systems has been estimated by both Performance Ratio and Corrected Performance Ratio.
Document information
Comparative Assessment of PV Plant Performance Models Considering Climate Effects
Electric power components and systems ; 45 , 13
2017
Article (Journal)
English
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