This paper deals with the performance analysis of ELKEM and POLY SILICON Photovoltaic Technologies. The output powers of ELKEM and POLY SILICON Photovoltaic (PV) cells are compared by considering the effect of irradiance, panel temperatures, climatic conditions during the months of May to August. The ELKEM and POLY SILICON Photovoltaic cells graphs are plotted to estimate the performance of each array. The performance of the four arrays namely elkem-bottom, elkem-top, poly-bottom and poly-top are compared with each other. The power generated is fed to the grid and is examined continuously for stability and reliability.
This paper reports an integration of dual band microstrip antenna with thin film amorphous silicon solar cell which creates a wearable system to harvest microwave energy. The multiple layers in the encapsulation of the thin film solar cell are used as a substrate for microstrip antenna. The rectifier and matching circuit are designed on cotton jeans material and the whole system is mechanically supported by the foam of 5 mm thick. The performance of the antenna is studied for the mechanical bending condition. The device has maintained good power conversion efficiency. The efficiency of the voltage doubler is tested by varying radio frequency power levels from −30 to10 dBm. The voltage doubler conversion efficiency at 1.85 and 2.45 GHz are 58 and 43%, respectively, for a load of 7.5 kΩ for an input power level of −5 dBm.
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