Energy-Efficient Led Lighting System For Residential Applications

Nurul Izzati, Mohamad (2013) Energy-Efficient Led Lighting System For Residential Applications. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this project is to design a prototype of an energy-efficient lighting system for residential application. The main advantage of the project is the ability to reduce power consumption system by using wasted heat energy from the surrounding area, specifically designed for housing lighting system. The energy saving is contributed from not only the light emitting diodes (LEDs) – that replace the traditional bulbs – but also the power supply. Apart from the LEDs, the main components that form the lighting system are the thermoelectric generator (TEG) module and the microcontroller circuit. The TEG module is the main energy source that converts the surrounding heat into electrical energy. The lighting system uses normal electric power as the backup energy source. During the time when the TEG module is incapable to provide sufficient electrical energy, the normal electricity supply will be activated. All operations including the power supply monitoring, switching and LEDs lighting up are controlled by the microcontroller circuit. The project has been successfully designed. However, a certain part of the system failed to function as expected. This is due to the failure of the TEG to generate sufficient amount of voltage to light up the LED. This project also contributes to green technology application and towards a greener Earth. Several recommendations are suggested for future work such as including rechargeable battery instead of AC power supply, upgrading the system by developing a hybrid of the TEG with a solar panel, and applying TEG to other electronic devices that releases wasted heat such as laptops so that the TEG can be used the heat released to charge the battery of the laptop or supply energy for any other purpose.

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