Saturday, 30 March 2013

Problem Statement



In order to produce a voltage from a solar panel, it will need energy from the sun. But sometimes the process can be stalled as the weather keep changing and blocking the sunlight. Photovoltaic solar panel power production works most efficiently in cold temperatures. Cold, sunny environments provide optimal operating conditions for solar panels. In Malaysia, the weather keeps changing throughout the day. This eventually will stop any testing on a solar panel as there is no sunlight. In order to overcome the problem, this project is made so that the testing can be done anytime during the absence of sunlight.

Temperatures also contribute a small problem on the photovoltaic (PV) which their optimum temperature should be around 25°C. Whenever the temperature increases above than 25°C, the efficiency and the output produce will be decreases. With the ambient temperature of 34°C in Malaysia, it surely gives disadvantages on the photovoltaic panel. It is quite difficult for making sure that that the temperature is fixed at 25°C when being exposed to sunlight, but what we can do is to absorb the heat produced by the peltier and convert it into electrical energy. The peltier will be placed at the bottom of the PV which will also act as a heat sink and lower down the temperature.

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