Monitoring the performance of photovoltaic system DC-DC converter

Abstract: This paper presents a mathematical form for a stand-alone photovoltaic (PV) system that was implemented and tested at three different temperatures (15°C, 20°C and 30°C). Proteus software was used to test the PV system under the different temperatures. This system consists of an array of solar cells, which are the source of the voltage and current, these values will be transmitted to PC in order to show the received values of currents and voltages. The system has been tested under three cases; no sun and load off, sun and all load on and finally sun and load on (Vin=Vout) (Iin=Iout). In three cases studied, the system was able to effectively transmit the voltage and current by using frequency shift keying (FSK). Some negligible losses occurred apparently due to the load effect. This work was undertaken in order to study the influence of temperature as a means of optimizing, the performance of PV systems by determining the highest stand-alone PV maximum power point tracking (MPPT). Implementation results and the generated voltage show that the system achieves the highest MPPT when exposed to a 30°C temperature, while an exposure of 15°C resulted in the lowest MPPT