Modelling effect of temperature and irradiance changes of Assa, Morocco on photovoltaic modules’ performance

A mathematical representation of a photovoltaic (PV) solar cell and module performances is demonstrated in this paper. One diode based on the Shockley equation model adopted for simulation extract performance indications. The simulated particular 235W operating an existing 806.52 kWp grid connected power plant located at Assa, southern Morocco. demonstrates power-voltage (P-V) current-voltage (I-V) characteristic curves with weather conditions changes. These external include temperature irradiance level (represented by sun unit 1sun=1000w/m 2 ) which greatly affect PV system. This paper also presents maximum point tracking (MPPT) converter general was implemented Matlab/Simulink software used as example verifying tested under Assa city variable.