Solar Photovoltaic Pumping Performance Parameters and their Relationship under Different Seasons
Solar photovoltaic pumping performance
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Keywords:
Solar photovoltaic energy, Conversion efficiency, Panel temperature, Ambient temperature, Array output, DischargeAbstract
The present study was undertaken to determine the relationship between the performance parameters of solar photovoltaic (SPV) pumping system under different seasons. The relationship between solar irradiance and flow rate during summer, monsoon, post monsoon and winter season followed linear equation having R2 value of 0.70, 0.89, 0.81 and 0.92, respectively. The relationship between panel temperature and conversion efficiency during summer, monsoon, post monsoon and winter season followed linear equation having R2 value of 0.75, 0.83, 0.71 and 0.78, respectively. The conversion efficiency decreases with the increasing panel temperature by 0.19 %, 0.35 %, 0.17 % and 0.25 % in summer, monsoon, post monsoon and winter season, respectively. The range of optimum panel temperature should be between 24 ˚C to 32 ˚C. The relationship between panel temperature and ambient temperature during summer, monsoon, post monsoon and winter season followed linear equation having R2 value of 0.76, 0.75, 0.74 and 0.71, respectively. The panel temperature increases with the increasing ambient temperature by 1.5 ˚C, 2.1 ˚C, 1.8 ˚C and 1.3 ˚C in summer, monsoon, post monsoon and winter season, respectively. The relationship between discharge and array output during summer, monsoon, post monsoon and winter season followed linear equation having R2 value of 0.81, 0.73, 0.71 and 0.86, respectively.
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