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SOLAR AUTOMATIC MOBILE CHARGER WITH PAY SYSTEM


Posted by: seminar class
Created at: Wednesday 23rd of February 2011 04:41:59 AM
Last Edited Or Replied at :Friday 12th of July 2013 12:58:07 AM
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howing the actual time left. During the timing period a relay output is latched and a flashing led indicates timing in progress.
INTRODUCTION:
• In this project it is proposed to capture the Sun's radiant light energy and convert it into electrical energy. Nature has been capturing the energy in light for millions of years. Each leaf is a form of solar cell, producing energy for plants and trees to grow in a chemical process known as Photosynthesis.
• A solar panel or battery converts the sun's energy to electricity. Gerald Pearson, Calvin Fuller and Daryl Chapin invented..................[:=> Show Contents <=:]



SOLAR POWER GENERATION WITH AUTO TRACKING SYSTEM


Posted by: project report helper
Created at: Thursday 30th of September 2010 12:51:06 AM
Last Edited Or Replied at :Thursday 02nd of February 2012 10:17:03 PM
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s the sources of renewable energy. Its potential is 178 Billion MW, which is about 20,000 times the world’s demand. Sun sends out energy in the form of electromagnetic radiation.
In this project we use the solar energy for generation of electrical energy, by using the Solar cells. The solar cells receive the solar energy. The solar cells operate on the photo-electric energy by using solar cells principle. The energy from the photo voltaic cells is used to switch on the lights.
At present solar electric power generation systems are having fixed solar panels whose efficiency of genera..................[:=> Show Contents <=:]



solar tracking system


Posted by: AMISH GHEEWALA
Created at: Wednesday 04th of August 2010 06:32:50 AM
Last Edited Or Replied at :Wednesday 03rd of November 2010 06:12:03 AM
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kindly provide all details with ckt diagram, parts , material..................[:=> Show Contents <=:]



Smart Solar Tracking System For Optimal Power Generation Ppt


Posted by: nandish36
Created at: Friday 04th of June 2010 08:29:43 AM
Last Edited Or Replied at :Friday 25th of January 2013 12:26:44 AM
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Dear sir.

I am nandish engineering student. i want pdf of Smart Solar Tracking..................[:=> Show Contents <=:]



wireless charger full report


Posted by: project topics
Created at: Friday 02nd of April 2010 12:05:22 PM
Last Edited Or Replied at :Thursday 03rd of January 2013 12:50:22 AM
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..
9.0.SUMMARY AND CONCLUSIONS ..
9.1 AREAS OF CONSIDERATION
9.2 CONTRIBUTIONS
10.0 Bibliography .
8.References
Introduction And Motivation
Cellular telephone technology became commercially available in the 1980â„¢s. Since then, it has been like a snowball rolling downhill, ever increasing in the..................[:=> Show Contents <=:]



Automatic Sun Tracking System ASTS


Posted by: electronics seminars
Created at: Thursday 24th of December 2009 03:36:29 AM
Last Edited Or Replied at :Monday 21st of July 2014 10:48:22 AM
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achieved, designer needs to pay more attention to the speed-increase or speed-decrease periods. AC servo-motor system is a closed-loop system. It is possible for the driver-component to sample the signal from the motor encoder to complete a position cycle and speed cycle internally. As such, AC servo-motor system generally will not have the errors of step loss or overshooting, and is more reliable in terms of controlling performance.
Step-motor needs 200 to 400 mil-seconds to accelerate from still to a typical working speed of several hundred rpm. AC servo-motor is better in terms of accelera..................[:=> Show Contents <=:]



turbo charger


Posted by: rajkiran
Created at: Wednesday 28th of October 2009 11:30:34 PM
Last Edited Or Replied at :Saturday 03rd of April 2010 01:23:15 PM
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sir im btech mechanical final year student ,
i want more information about fabrication of turbo charge..................[:=> Show Contents <=:]



Automatic Solar Tracker


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 11:16:01 PM
Last Edited Or Replied at :Tuesday 01st of January 2013 10:31:55 PM
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oltage of each power switch is clamped to half the DC-bus voltage (if the off ?state resistance of power switches is equal),and the voltage harmonic on the AC side of rectifier is reduced.

A novel single phase neutral point diode clamped rectifier has been proposed to achieve high power factor, low current distortion, low peak factor, and stable capacitor voltages. The proposed rectifier can be controlled to operate in two- or-three ? level PWM.
Based on the model analysis, the switching signals of the power switches can be derived from the measured line current error and the mains v..................[:=> Show Contents <=:]



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