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Design of an integrated voltage regulator


Posted by: seminar presentation
Created at: Friday 28th of May 2010 01:40:28 PM
Last Edited Or Replied at :Friday 28th of May 2010 01:40:28 PM
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ry is about to run out was also developed..................[:=> Show Contents <=:]



Equipment Performance Study on Voltage Regulators


Posted by: seminarsense
Created at: Wednesday 17th of November 2010 02:53:07 AM
Last Edited Or Replied at :Wednesday 17th of November 2010 02:53:07 AM
seminar report of single phase voltage stabilizer, seminor topics on regulators ,
the electric utility. All the distribution stations have a Single-phase voltage regulators which is very important for providing
reliable power to the customers. the range of loading conditions tends to change the transmission voltage level which is then adjusted by the voltage regulators by increasing or decreasing the difference in the voltage level from
the transformer to the distribution circuits. A maximum of 10% voltage variation in intervals (steps) from the neutral level is provided by most of the transformers. power quality problems, potential damage to customers’ equipment and ..................[:=> Show Contents <=:]



Practical Implementation Of A High-frequency Current Sense Technique For VRM


Posted by: Wifi
Created at: Tuesday 26th of October 2010 06:53:13 AM
Last Edited Or Replied at :Tuesday 26th of October 2010 06:53:13 AM
Technique, Sense , Current, High frequency , Implementation, Practical , design filter for high frequency dc dc converter current sensing, seminar reports on high freequency voltage regulator , comparison of dcr current sensing methods, how observer circuit sense the inductor current ,
problem of losses, frequency
Problems is choice of the converter and the observer models
Equivalent serial resistance (ESR)
Choice of components is limited
May cause significant decreased accuracy
MOS method
Complicated due to non linearity
Less accuracy due to the Rds temperature dependence
Rds depends on the applied VGS and the VDS.

DCR Method

This sense method makes use of the inductor dc resistance (DCR) to obtain a proportional voltage of the inductor current

Advantage of this technique

Better accuracy
Lossless
Any resistor can be added.
Can be u..................[:=> Show Contents <=:]



Design of an integrated voltage regulator


Posted by: seminar presentation
Created at: Friday 28th of May 2010 01:40:28 PM
Last Edited Or Replied at :Friday 28th of May 2010 01:40:28 PM
lm7805 voltage regulator, ic 7805 voltage regulator , power supply voltage regulator, voltage regulator 7805 , 7812 voltage regulator, voltage regulator circuit , 7805 voltage regulator, automatic voltage regulator , zener diode voltage regulator, fully integrated voltage regulator , Design of an integrated voltage regulator pdf, Design of an integrated voltage regulator ppt , Design of an integrated voltage regulator, regulator , voltage, integrated , Design, thesis on voltage regulator , voltage regulator battery thesis, design of voltage stabilizer using electronics ppt seminar ,
ases with decreasing temperature and with ageing. In that case a voltage regulator must be used, that regulates the battery voltage and generates a stable supply voltage to power other circuitry. In this thesis a voltage regulator to be used in a battery operated system has been designed which meets the given specification of stability and power capabilities. A voltage reference, which is a commonly used devise in analog circuits, was also designed. The role of a reference voltage in an electrical system is the same as for a tuning fork in a musical ensemble; to set a standard to which other v..................[:=> Show Contents <=:]



Automatic voltage regulation of alternator used in UKAI PP


Posted by: chodekiran
Created at: Thursday 04th of March 2010 10:53:47 PM
Last Edited Or Replied at :Tuesday 10th of January 2012 03:08:30 AM
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. Automatic voltage regu..................[:=> Show Contents <=:]



REACTIVE POWER COMPENSATION IN RADIAL DISTRIBUTION SYSTEMS USING DIST FLOW METHOD


Posted by: project report tiger
Created at: Sunday 28th of February 2010 12:28:30 PM
Last Edited Or Replied at :Thursday 14th of October 2010 12:41:14 AM
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e I2 stands for peak reactive current during T hours through the feeder section of resistance R, Ic is compensation current flowing through the same section for the same period and FR is reactive load factor for T hours in the same section. Thus total energy savings in this section of feeder for T hours will be 3(2I2IcFR-Ic2) RT.
One day can be divided in to many such periods depending on the number of fixed and switched capacitors and the sequence of operation of switched capacitors. Also, the feeder can be modelled by uniformly distributed load or discrete loading and total energy savings c..................[:=> Show Contents <=:]



Voltage Stability Improvement using Static Var Compensator in Power Systems


Posted by: project report tiger
Created at: Monday 08th of February 2010 12:08:01 AM
Last Edited Or Replied at :Friday 12th of July 2013 12:59:46 AM
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capable of altering Voltage Stability Improvement using Static Var Compensator in Power Systems Mark Ndubuka NWOHU 168 voltage, phase angle and/or impedance at particular points in power systems. Their fast response offers a high potential for power system stability enhancement apart from steadystate flow control. Among the FACTS controllers, Static Var Compensator (SVC) provides fast acting dynamic reactive compensation for voltage support during contingency events which would otherwise depress the voltage for a significant length of time. SVC also dampens power swings and reduces system loss..................[:=> Show Contents <=:]



Design of Voltage Regulator


Posted by: Computer Science Clay
Created at: Sunday 25th of January 2009 02:24:07 AM
Last Edited Or Replied at :Sunday 25th of January 2009 02:24:07 AM
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ng a current start flowing in secondary winding in such way that it opposes the flux produced by primary winding.
E. M. F. EQUATION :-
? = ? m sin ?t = ? ? m sin ?t f
Flux

t

Due to sinusoidal current flowing through in a primary winding a flux almost sinusoidal is produced in the iron whole of waveform as shown above.
If supply frequency is ?F? then the frequency of supply will also ?F?
? since time to complete F cycle = 1 sec.
So time to complete 1 cycle = 1/F sec.
So time to complete Quarter Evolutions = 0.25 x 1/F
= 1/4F second=d..................[:=> Show Contents <=:]



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