Abstract
Solar
energy is rapidly gaining notoriety as an important means of expanding
renewable energy resources. As such, it is vital that those in engineering
fields understand the technologies associated with this area. My project will
include the design and construction of a micro controller-based solar panel
tracking system. Solar tracking allows more energy to be produced because the
solar array is able to remain aligned to the sun. This system builds upon
topics learned in this course. A working system will ultimately be demonstrated
to validate the design. Problems and possible improvements will also be
presented.
Renewable
energy solutions are becoming increasingly popular. Photovoltaic (solar)
systems are but one example. Maximizing power output from a solar system is
desirable to increase efficiency. In order to maximize power output from the
solar panels, one needs to keep the panels aligned with the sun. As such, a
means of tracking the sun is required. This is a far more cost effective
solution than purchasing additional solar panels. It has been estimated that
the yield from solar panels can be increased by 30 to 60 percent by utilizing a
tracking system instead of a stationary array [1]. This project develops an
automatic tracking system which will keep the solar panels aligned with the sun
in order to maximize efficiency.
This paper begins with presenting background
theory in light sensors and stepper motors as they apply to the project. The
paper continues with specific design methodologies pertaining to photocells,
stepper motors and drivers, microcontroller selection, voltage regulation,
physical construction, and a software/system operation explanation. The paper
concludes with a discussion of design results and future work.
BLOCK DIAGRAM:
HARDWARE REQUIREMENTS:
1.
PIC Micro controller
2.
Power supply
3.
Scu
4.
Stepper motor
5.
Relay unit
6. LCD
SOFTWARE
REQUIREMENTS:
1.
Embedded-c
2.
Keil-c
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