Design And Implementation Of A Controller-Based Photovoltaic System For Outdoor Lighting Applications

Eugene, Lee (2005) Design And Implementation Of A Controller-Based Photovoltaic System For Outdoor Lighting Applications. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project presents the design and implementation of a prototyped stand-alone photovoltaic power system that is conceived to cater to the operations of an outdoor lighting scheme. Preliminary loads include de compact fluorescent light (CFL) and light emitting diode (LED) for various applications including street, parking lots and garden lighting. Due to its non-critical load, a basic regulation process suffices. To achieve this, the system uses a built-in regulator. The balance of- system is realized with the utilization of a specially devised solar power center. It comprises a photovoltaic charge controller and a low-voltage load disconnection circuit. The former device regulates the flow rate of electricity from the photovoltaic module to the battery and the load. This, combined with the latter will function to maximize the battery's service life and ultimately the system. A load switch and a battery low-voltage warning indicator form the final pieces of the whole system. Simulation, experimentation and the finale of hardware implementation will be included to verify the practicality and feasibility of this project. From this initiative, simple power generation via photovoltaic technology can be utilized for the benefits of the masses. This system requires very low maintenance and can be erected in urban or rural areas for hassle-free outdoor lighting. With the environment in mind, this small step will be a significant milestone for the gradual change towards renewable energy resources.

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