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Solar Tracking System

Solar Tracking System

Price : 4000

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Course Duration
Approx 10

Course Price
₹ 4000

Course Level
Moderate

Course Content

     The main goal of this project is to design a very precise solar tracker. The project is divided into two parts; hardware and software. Hardware part generally composed of solar panel, two-DC motors with Driver circuit, LDR sensor module and electronic circuit. Software part represents the thinking behavior of the system, that is how the system acting under several weather conditions. In this work sensing of the sun position carried out in two stages primary and secondary. Primary stage or indirect sensing performed via sun-earth relationship as a coarse adjustment and second stage or direct sensing performed via set of LDR sensors as output tuning to trims the azimuth and altitude angles. If the weather is cloudy or dusty, the tracking system uses primary stage or sun-earth geometrical relationships only to identify the location of the sun; so the system tracks the position of the sun regardless the weather condition. The energy extracted from photovoltaic (PV) or any solar collector depends on solar irradiance. For maximum extraction of energy from the sun, the solar collector panel should always be normal to the incident radiation Solar trackers moves the solar collector to follow the sun path and keeps the orientation of the solar collector at an optimal tilt angle. Solar tracking system improves substantially the energy efficiency of photovoltaic (PV) panel. In this paper, an automatic dual axis solar tracking system is designed and developed using Light Dependent Resistor (LDR) and DC motors on a mechanical structure with gear arrangement. Two axis solar tracking (azimuth angle as well as altitude angle) is implemented through Arduino Nano controller based on Sun Earth Geometry. The results indicated that the automatic solar tracking system is more reliable and efficient than fixed one.

Hardware Requirement

 

1.     Arduino Nano Microcontroller

2.     Power Supply (12V DC power adapter)

3.     7805 Voltage Regulator

4.     LDR Sensor

5.     Driver Circuit

6.     DC Motor (10 RPM)

7.     Solar Panel

8.     Jumper Wires

     9.     Bread Board (170 points)

Solar Tracking

The above is our proposed block diagram for solar tracking system. Here we mainly using Arduino Nano microcontroller to control all the sensors and actuators. The LDR sensor is used to detect sunlight so we used 2 LDR sensors on the both sides in order to detect sunlight on the both direction.

 

To track the sun efficiently based on the LDR sensors data we used two 10 RPM DC motors which is connected to the L293D motor driver module. In order to provide power supply for the DC motors we are using 12V DC adapter. The Arduino microcontroller needs only 5V DC supply so we are using 7805 Voltage regulator to convert our 12V DC power supply into 5V DC supply and providing that regulated supply to the controller and LDR sensors.

 

Watch free demo