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Title: FABRICATION OF AN AUTOMATIC BATTERY CHARGER USING SCR
Page Link: FABRICATION OF AN AUTOMATIC BATTERY CHARGER USING SCR -
Posted By: seminar class
Created at: Thursday 14th of April 2011 03:29:38 PM

BRIEF DESCRIPTION OF COMPONENTS:
1) Transformer:-

A transformer is a static device which consists of two or more stationary circuits interlinked by a common magnetic circuit for the purpose of transferring electrical energy between them.
• E.M.F equation of a transformer:
e=4.44Baft
B=maximum flux density in the magnetic circuit.
a=area of cross-section of the core.
f and t are frequency and no. of turns respectively.
• Step up and step down transformer:
A step up transformer is one whose secondary voltag..............etc

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Title: PHASE-ANGLE CONTROL OF SCR USING AT89C51
Page Link: PHASE-ANGLE CONTROL OF SCR USING AT89C51 -
Posted By: seminar class
Created at: Tuesday 22nd of March 2011 01:35:11 PM

PHASE-ANGLE CONTROL OF SCR USING AT89C51
Silicon-controlled rectifiers (SCR) are solidstate semiconductor devices that are usually used in power switching circuits. SCR controls the output signal by switching it ‘on’ or ‘off’, thereby controlling the power to the load in context. The two primary modes of SCR control are phase-angle fired-where a partial waveform is passed to regulate the power.
In the phase-angle controller, the firing pulse is delayed to turn on the SCR in middle of every half cycle. This..............etc

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Title: dc voltage regulator using scr
Page Link: dc voltage regulator using scr -
Posted By:
Created at: Monday 15th of October 2012 02:07:08 PM
i need project report for dc voltage control by using scr tyn 604 and regulator ic 7041... pls upload that..............etc

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Title: simple projects based on scr
Page Link: simple projects based on scr -
Posted By:
Created at: Tuesday 12th of March 2013 10:22:58 AM
I need easy silicon controlled rectifier(SCR) projects for engineering student.
..............etc

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Title: power electronics mini projects circuit using scr
Page Link: power electronics mini projects circuit using scr -
Posted By:
Created at: Saturday 20th of July 2013 06:25:46 PM
scr project, power electronics mini projects circuit using scr, scr based mini projects ideas, http seminarprojects org t power electronics mini projects circuit using scr, mini project using scr, power electronics device mini project using resistor diode scr, electronic timer using scr project,
i need to do a mini projet usig scr .kindly helps us ,thank you...............etc

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Title: advantage of automatic battery charger using scr
Page Link: advantage of automatic battery charger using scr -
Posted By:
Created at: Sunday 30th of September 2012 10:44:59 PM
sir i want the abstract of automatic battery charger using scr..............etc

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Title: conclusion for ac or dc voltage regulator using scr
Page Link: conclusion for ac or dc voltage regulator using scr -
Posted By:
Created at: Sunday 14th of October 2012 02:21:18 AM
conclusion of volta, conclusion part of report about voltage regulator, conclusion of ac voltage regulators, conclusion for the project about voltage regulators, voltage regulator conclusion,
send me the 1.conclusion for ac to dc voltage regulator
2.conclusion for unsharp masking ..............etc

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Title: ppt slide for ac and dc voltage regulator using scr
Page Link: ppt slide for ac and dc voltage regulator using scr -
Posted By:
Created at: Sunday 14th of October 2012 02:30:45 AM
conclusion for ac to dc voltage regulator using scr..............etc

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Title: conclusion for ac to dc voltage regulator using scr pdf
Page Link: conclusion for ac to dc voltage regulator using scr pdf -
Posted By:
Created at: Sunday 14th of October 2012 02:24:40 AM
1.conclusion for ac to dc voltage regulator ..............etc

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Title: Battery charger circuit using SCR
Page Link: Battery charger circuit using SCR -
Posted By: computer girl
Created at: Monday 11th of June 2012 06:39:17 PM
Battery charger circuit using SCR.


Description.

A simple battery charger based on SCR is shown here.Here the SCR rectifies the AC mains voltage to
charge the battery.When the battery connected to the charger gets discharged the battery voltage
gets dropped.This inhibits the forward biasing voltage from reaching the base of the transistor Q1
through R4 and D2.This switches off the transistor.When the transistor is turned OFF,the gate of
SCR (H1) gets the triggering voltage via R1 & D3.This makes the SCR ..............etc

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