TIME OPERATED SOLAR TRACKING SYSTEM
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#1
18-10-2010, 04:12 PM



.doc   Time Operated Solar Tracking System.doc (Size: 280.5 KB / Downloads: 312)
TIME OPERATED SOLAR TRACKING SYSTEM


Objective:




Commercial made solar trackers are a nice addition to any solar panel array. They help increase the time that panels directly face the sun and allow them to produce their maximum power. Unfortunately they can be expensive to buy. We decided to make our own solar tracker to see if we could reduce the cost. We did not want to re-invent the wheel but wanted to make it more affordable. We started out small and came up with the idea of solar tracking using time instead of using a device that would sense where the sun is and move the panels toward it.

The objective of this project and implimentation is to control the position of a solar panel in accordance with the motion of sun. Brief Methodology: This project and implimentation is designed with solar panels, RTC, Microcontroller, Stepper Motor and its driving circuit. In this project and implimentation RTC is used to find or the location of Sun. It’s a open loop system. 1) INTRODUCTION Renewable energy is rapidly gaining importance as an energy resource as fossil fuel prices fluctuate. At the educational level, it is therefore critical for engineering and technology students to have an understanding and appreciation of the technologies associated with renewable energy.

One of the most popular renewable energy sources is solar energy. Many researches were conducted to develop some methods to increase the efficiency of Photo Voltaic systems (solar panels). One such method is to employ a solar panel tracking system. This project and implimentation deals with a RTC based solar panel tracking system. Solar tracking enables more energy to be generated because the solar panel is always able to maintain a perpendicular profile to the sun’s rays. Development of solar panel tracking systems has been ongoing for several years now. As the sun moves across the sky during the day, it is advantageous to have the solar panels track the location of the sun, such that the panels are always perpendicular to the solar energy radiated by the sun. This will tend to maximize the amount of power absorbed by PV systems. It has been estimated that the use of a tracking system, over a fixed system, can increase the power output by 30% - 60%. The increase is significant enough to make tracking a viable preposition despite of the enhancement in system cost. It is possible to align the tracking heliostat normal to sun using electronic control by a micro controller. Design requirements are: 1) during the time that the sun is up, the system must follow the sun’s position in the sky. 2) This must be done with an active control, timed movements are useful. It should be totally automatic and simple to operate. The operator interference should be minimal and restricted to only when it is actually required. The major components of this system are as follows.



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smsska
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#2
21-10-2010, 02:31 AM

do you have a schematic for this project and implimentation ?
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smsska
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#3
21-10-2010, 02:36 AM

do you have a schematic for this project and implimentation ?
how does it work ? is this project and implimentation just tracking where the sun is? does it make electricity ?
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smart paper boy
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30-07-2011, 10:23 AM


.doc   Time Operated Solar Tracking System.doc (Size: 286.5 KB / Downloads: 286)
Objective:
Commercial made solar trackers are a nice addition to any solar panel array. They help increase the time that panels directly face the sun and allow them to produce their maximum power. Unfortunately they can be expensive to buy. We decided to make our own solar tracker to see if we could reduce the cost. We did not want to re-invent the wheel but wanted to make it more affordable. We started out small and came up with the idea of solar tracking using time instead of using a device that would sense where the sun is and move the panels toward it.
The objective of this project and implimentation is to control the position of a solar panel in accordance with the motion of sun. Brief Methodology: This project and implimentation is designed with solar panels, RTC, Microcontroller, Stepper Motor and its driving circuit. In this project and implimentation RTC is used to find or the location of Sun. It’s a open loop system. 1) INTRODUCTION Renewable energy is rapidly gaining importance as an energy resource as fossil fuel prices fluctuate. At the educational level, it is therefore critical for engineering and technology students to have an understanding and appreciation of the technologies associated with renewable energy.
One of the most popular renewable energy sources is solar energy. Many researches were conducted to develop some methods to increase the efficiency of Photo Voltaic systems (solar panels). One such method is to employ a solar panel tracking system. This project and implimentation deals with a RTC based solar panel tracking system. Solar tracking enables more energy to be generated because the solar panel is always able to maintain a perpendicular profile to the sun’s rays. Development of solar panel tracking systems has been ongoing for several years now. As the sun moves across the sky during the day, it is advantageous to have the solar panels track the location of the sun, such that the panels are always perpendicular to the solar energy radiated by the sun. This will tend to maximize the amount of power absorbed by PV systems. It has been estimated that the use of a tracking system, over a fixed system, can increase the power output by 30% - 60%. The increase is significant enough to make tracking a viable preposition despite of the enhancement in system cost. It is possible to align the tracking heliostat normal to sun using electronic control by a micro controller. Design requirements are: 1) during the time that the sun is up, the system must follow the sun’s position in the sky. 2) This must be done with an active control, timed movements are useful. It should be totally automatic and simple to operate. The operator interference should be minimal and restricted to only when it is actually required. The major components of this system are as follows.
1) RTC (Real Time Clock)
2) Microcontroller.
3) Output mechanical transducer (stepper motor).
Fig 1: Block Diagram of Time Operated Solar Tracking System
A BRIEF INTRODUCTION TO 8051 MICROCONTROLLER:
When we have to learn about a new computer we have to familiarize about the machine capability we are using, and we can do it by studying the internal hardware design (devices architecture), and also to know about the size, number and the size of the registers.
A microcontroller is a single chip that contains the processor (the CPU), non-volatile memory for the program (ROM or flash), volatile memory for input and output (RAM), a clock and an I/O control unit. Also called a "computer on a chip," billions of microcontroller units (MCUs) are embedded each year in a myriad of products from toys to appliances to automobiles. For example, a single vehicle can use 70 or more microcontrollers. The following picture describes a general block diagram of microcontroller.
AT89S52: The AT89S52 is a low-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout. The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory pro-grammer. By combining a versatile 8-bit CPU with in-system programmable Flash on a monolithic chip, the Atmel AT89S52 is a powerful microcontroller, which provides a highly flexible and cost-effective solution to many, embedded control applications. The AT89S52 provides the following standard features: 8K bytes of Flash, 256 bytes of RAM, 32 I/O lines, Watchdog timer, two data pointers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In addition, the AT89S52 is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port, and interrupt system to continue functioning. The Power-down mode saves the RAM con-tents but freezes the oscillator, disabling all other chip functions until the next interrupt
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#5
27-01-2012, 10:04 AM

to get information about the topic Industrial control Using Cellphone" and "solar tracking system" full report,ppt and related topic please refer the link bellow

topicideashow-to-time-operated-solar-tracking-system?page=2

topicideashow-to-automatic-sun-tracking-system-asts?page=3

topicideashow-to-time-operated-solar-tracking-system?page=1

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#6
31-01-2013, 03:49 PM

WE WANT TO KNOW MORE INFO ABOUT TIME BASED SOLAR TRACKING SYSTEM.....
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#7
07-03-2013, 12:19 AM

sir i want a ppt on time operated solar tracking system
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#8
07-03-2013, 09:37 AM

To get full information or details of TIME OPERATED SOLAR TRACKING SYSTEM please have a look on the pages

topicideashow-to-time-operated-solar-tracking-system

if you again feel trouble on TIME OPERATED SOLAR TRACKING SYSTEM please reply in that page and ask specific fields in TIME OPERATED SOLAR TRACKING SYSTEM
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