Abstract
The increasing interest in the testing of photovoltaic systems and conversion components, resulted in the growth of PV emulators development, especially the power converter based ones. These emulators allow the characteristics reproduction of PV modules and panels in a well-controlled environment, by using different PV modeling methods. In this paper, three modeling techniques are investigated for three PV technologies (Amorphous, CdTe and Mono-Si). The investigation of the models is done using experimental data from Green Energy Park in Morocco according to proposed evaluation criteria. The criteria themselves are based on the coefficient of determination, the Root Mean Square Error and the required computational time. The analysis results in a mechanism allowing the selection of the best modeling approach for each PV module technology. Afterwards, simulation work is carried out in order to design the control scheme of the PV emulator power supply. Then, the control and modeling method selection mechanism based on module technologies is implemented experimentally on the designed PV emulator system. Hence, the PV emulator along with its control and modeling method is validated for an example of Amorphous technology module.
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