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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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ndicates 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 the first sun energy battery in 1954. The inventors created an array of several strips of silicon (..................[:=> 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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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 generation is less. The aim of the project is to introduce the SOLAR TRACKING to the existing fixed solar panels, thus we are maintaining the constant maximum power output. Thus by using this tracking system we can increase the conversion efficiency of the solar electric p..................[:=> 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 , materials description of su..................[:=> 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 :Wednesday 15th of October 2014 12:22:18 PM
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Dear sir.

I am nandish engineering student. i want pdf of Smart Solar..................[:=> 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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ave laid the foundation for this work to continue by accomplishing the following goals: We were able to charge the battery directly faster than had been done previously; we were able to power the phone using an RF signal transmitted to the phone and stand; we provided simulated and empirical data that can be used as a reference for future work in the area; and we were able to condense the circuitry down to a sufficiently small size to conceal the charging circuitry and antenna within a commercially available stand. Involved in achieving these goals were the modeling of the circuit in a program..................[:=> 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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LCD, Keypad, Buzzer and a complete PCB of the system circuit. The LCD (Hitachi HD44780) displays different messages, which can help the user in manually operating the system. While the keypad includes keys of Numeric Digits, Emergency Stop, clock wise rotation and counter clockwise rotation. Using keypad a user can manually rotate the solar panel by entering angle from 0o to 180o. The angle value is limited to only 180 values because after sunrise, the earth almost rotates only 180 degrees and then the sun disappears. The advantage of this unit is that to run the system it does not need comput..................[:=> 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 inform..................[:=> 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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e line current command is derived from a DC-link voltage regulator and an output power estimator. The hysteresis current Controller is used to track the line current command. To balance the neutral-point voltage, a capacitor voltage compensator is employed. The main advantages of using a three-level instead of a two-level PWM scheme are that the blocking voltage 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 cla..................[:=> Show Contents <=:]



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