A solar tracker is a device that orients a payload toward the Sun.

1. Presented by:-
Amal Mathew

2. oDefinition of problem
oMarket solution
oIntroduction
oBlock diagram
oComponents
oFeasibility
oApplication

3.  Today solar cells are becoming extremely popular for
utilizing solar energy to use in different ways such as
producing electricity
,transportation,cooking ..etc
 So many solar panels have been installed all over the
world and most of them are stable.They are installed in
the direction of maximum radiation of sunlight.
 Now the problem arises that the sun is moving .So we
cannot use maximum radiations of sun. All the time
the position of maximum radiation receiving position
only comes once in 24 hour.

4. Market solution
 Solar tracker is the best solution for receiving
maximum radiation
 By moving the solar panel according to the
movement of sun we can always receive the
maximum radiation

5. Introduction
 The earth receives 16×10 ˆ18 units of energy from the
sun annually,which is 20000 times the requirement of
mankind on the earth.
 Solar panels are used to convert light energy into
electrical energy
 Efficient solar power generation system using moving
panel
 Two sensors in two directions to sense the direction of
maximum intensity of light.The difference between
the output of the sensors is given to the
microcontroller unit.

6. Microcontroller is used to process the
input voltage from the comparison
circuit and control the direction in
which the motor has to be rotated so
that it will receive maximum intensity
of light from the sun.
The power generated from this
process is then stored in a lead acid
battery.
Stored energy is used to run different
appliances
Cont….

7. WORKING
 It consist of a LDR sensor senses maximum solar
power which is being given to the microcontroller
through the ADC which digitizes the LDR output.
 Controller then takes the decision according
algorithm and tilts the panel towards the direction of
the maximum energy given by LDR with the help of
DC motor.
 The motor is used to rotate the LDR to sense the
maximum solar power

11. Solar panel
Collection of photovoltaic cells
Photovoltaic cell is composed of silicon
Used as a component of a larger
photovoltaic system to generate and supply
electricity in commercial and residual
applications.
The efficiency of a panel determines the area
of a panel

12. ELECTROMECHANICAL DEVICE WHICH CONVERTS
ELECTRICAL PULSES INTO DISCRETE MECHANICAL
MOVEMENTS.THE SPEED OF THE MOTOR SHAFTS
ROTATION IS DIRECTLY RELATED TO THE FREQUENCY
OF THE INPUT PULSES AND THE LENGTH OF ROTATION
IS DIRECTLY RELATED TO THE NUMBER OF INPUT
PULSES APPLIED.

13. Feasibility
• Pollution free
• Safety in design
• Usability
• Reliable
• Reduce human error
• portable

14. Applications
Heating the water
Battery charger
Emergency battery back up
Solar cooker

15. www.Wikipedia.org
www.solar-tracking.com
www.solarpowerworldonline.com
www.degerenergie.de/en/solar-tracking.html
www.instructables.com