Browsing by Author "Shamshair Ali Rizvi"

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    Solar water cooler using peltier effect
    (University of Management and Technology, 2014) Syed Muhammad Ali; Shamshair Ali Rizvi; Farooq -e-Azam
    During the past few decades the demand of alternating energy source has been dramatically increased. The need of this alternating energy is due to increased fatigue in the current renewable energy resources. PV panels are considered to be the best sources to convert the infinite amount of solar energy in to the electricity. Our project comprises of the simulation of the circuits, design, mechanism and construction of the system which comprises of PV panel, controlled by the dual axis tracker whose movement is further controlled by the PIC microcontroller 16F877A. Solar panels followed by the solar trackers accelerate the power efficiency. The mechanism of the solar panel states when the solar light strikes the panel, the photons present in the sun radiations and electrons in a semiconductor materials forms junctions and produces small amount of voltage. Cooling the drinking water via solar energy is a good concept. The cooling section includes two Peltier devices, heat sink, two cooling fans and temperature control sensors which would cut off the voltage supply to the Peltier and cooling stops. The efficiency is improved up to 30% due to dual axis tracker rather than using a static panel.