Solar Panel With Sun Position Tracking
Non-renewable
sources of energy like coal, oil, natural gas are decreasing day by day but cannot be restore ,Henceforth the only
way is to use renewable sources of energy, which can be replenished and replaced
like solar energy. Now a days Solar panel are rising in popularity, which
absorbs the energy from the Sun, converts it into electrical energy and stores
the energy in a battery. But drawback of the existing system is the Stationary
mounts, which hold panels in a fixed position, can have their productivity compromised
when the sun passes to a less-than-optimal angle.
To use
the solar energy in most effective way here we are introducing sun tracker
solar panel system automatically move to “track” the progress of the sun across
the sky, and solar panel should
continuously rotate in the direction of Sun thereby maximizing output.
Block diagram:
In this project we use
light dependent resistors (LDR) which is also
known as photo resistor is the light sensitive device. Its resistance
decrease when the light falls on it and that’s why it is frequently used
in Dark
or Light Detector Circuit.
Two
light dependent resistors (LDR) are arranged on the edges of the solar panel.
Light dependent resistors produce low resistance when light falls on them. The
servo motor connected to the panel rotates the panel in the direction of Sun.
Panel is arranged in such a way that light on two LDRs is compared and panel is
rotated towards LDR which have high intensity i.e. low resistance compared to
other. Servo motor rotates the panel at certain angle.
When
the intensity of the light falling on right LDR is more, panel slowly moves
towards right and if intensity on the left LDR is more, panel slowly moves
towards left hat way it will keep following the
light. In the noon time, Sun is ahead and intensity of light on both the
panels is same. In such cases, panel is constant and there is no rotation
Hardware requirements:
· Servo Motor (sg90)
· Solar panel
· 8051 microcontroller
· LDR (Light Dependent Resistor)
· LCD
· POWER SUPPLY
· Regulator
Software requirements:
·
MC Programming Language: Embedded C
· Keil version IDE
· Proteus For Circuit &PCB Design
