Low Cost Mobile Power Generator System

Chang, Boon Hai (2011) Low Cost Mobile Power Generator System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The aim of this project was to build a low cost mobile power generator system that can be portable for outdoor used where electricity is hard to access. Alternative energy is always around us such as wind, sun and hydro. These energies are clean and renewable. Power is a main issue that concerns many countries especially for the undeveloped rural areas. In order to harness free and clean energy, solar power is the ideal choice since the sun’s intensity is constant through out the year. The conventional solar panels are placed at a static position and then collect the energy from the sun. This causes power to be loss when the panel is not perpendicular to the sun’s incident ray. And as the angle of incident deviates greater, so will be the energy loss. Hence a smart way to solve the problem is by tracking the sun’s movement all day long. The best way to track the sun is using a dual axis solar tracker which is more efficient compared to single axis solar tracker. The dual axis that is build is a prototype that is only to support a light solar panel. The motor that is rotating and tilting is the servo motor that can be controlled easily by a PIC microcontroller. Four LDRs are then used to detect the sun’s position that will trigger the movement of the servo motor to move the panel to track the sun’s position. The design is then tested to see how smart it tracks the difference of light detected by the LDR and how the servos move to the correct position. The result and analysis will then be presented in the report.

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