contents

Project guided-: MR. ARUN Verma PROJECT MEMBER-: SUMAN KUMARI MITHILESH SINGH sAIMA FARIEN VIPRA GUPTA Automatic Enhancement Solar Seeker System contentsDefinition of problemIntroductionBlock diagramCircuit diagramComponentsSoftware/hardwareFeasibilityApplicationFuture enhancementqueries

Definition of problemTodays time solar cells are becoming more popular for utilizing solar energy to use in different ways such as producing electricity,cooking etc.

So, many solar panels have been installed in the direction of maxi. Radiation of sun light.

Now ,a problem arises that the sun is moving,so we cant use maxi.radiatoin of sun all time.

introductionSolar panels are used to convert light energy in to electrical energy.

Solar power generation system using moving panel is provide max.sun light.

Two sensor are use in two direction to sense the maxi.intencity of light.

Cont..The difference of two sensor is given to microcontroller unit.

Microcontroller is used to process the i/p voltage from comparison circuit &direction in which the motor to be rotated .

Power generate from this process stored in battery.& used in different apps.

WORKINGIt uses two (LDR) sensor at distinct points of solar panel to senses max. solar power & given to i/p of th micro- controller through ADC.

Microcontroller receives the two digital signals from ADC and compares them.

The LDR signals are not equal except for normal incidence of sunlight.

ContWhen there is a difference b/w LDR voltage levels the microcontroller program drives the dc motor towards normal incidence of sunlight .

Tracking ways of solar panel to sunlight.

Circuit diagram

componentsMicrocontroller (8952) 555 Ic timer Dc moter Power supplySolar panelCrystal oscillatorRelaysLDROP-AMP

Component descriptionMicrocontroller(8952)The advantage of this unit is that to run the system it does not need computer.Solar cells directly convert the solar radiation into electricity using photovoltaic effect without going through a thermal process

555 Timer ICIt generate accurate time-delay.

Adjustable duty cycle.

High temperature stability.

Timing from micro sec. throigh hours.

Solar panelCollection of PV cells.PV cells is composed of silicon.

Rated by its dc o/p power range from 100 to 320.

The efficiency of a solar panel determines the area of a panel.

dc moter & POWER SUPPLY Moter is a transducer which convert the electrical pulse in to discrete mechanical movements. speed of moter shaft related is directly related to frequency of i/p pulse. Moter derived from driver IC-L293D.It give 9v power supply to drive moter.

Power supply block consist of voltage regulater (7805) which 220v ac to 5v dc.& also remove the ripples of its o/p of 5v dc.LDR & RELAYSTwo LDR(Light dependent resistor) uses in it.ldr varies the resistance depending upon the light fall. this resistance is converting in to an analog voltage. It goes to ADC.

A relay is electrical switch. Relay contact can be made to operate in the wrong fashion for instance normally open & off contact. it can make multiple position.

Software & hardwareMicrocontroller (8952)

Keil Micro vision

Integrated Development Environment.

C51 C Compiler

feasibilityTechnical/practical Pollution freeSafety in design Usability ReliabilityReduce human errorPortable

EconomicalThe total cost of project =6400.

How the solar tracker follow the sun

Market solution. By Using controller microcontroller we can implement the intelligent system in future. In Future the conventional energy is not sufficient for useso there is need of use non conventional energy sources

Advantage & limitationsWhen compared to the price of the PV solar panels, the cost of a solar tracker is relatively low.

A solar tracker is a device onto which solar panels are fitted which tracks the motion of the sun across the sky.

you are adding moving parts and gears which will require regular maintenance of your solar systemApplication Heating the water

Electric fence Battery charger

Emergency battery back up

Solar cookerThank you