Variable Voltage And Variable Frequency drives

Presented By:
P.NATARAJU S.E.V.S.RAGHU VARMA
3rd year E.E.E. 3rd year E.E.E.

Abstract:-
Our varying industrial needs demand more precise control of the outputs of our basic electrical prime movers i.e, THE MOTORS. Basically dc motors are easy to control compared to their ac counter parts, but they have their own limitations with increase in capacity. Conversely ac motors in particular squirrel cage induction motors are very economical but their spee ....etc

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i choose the topic named traffic light with down counter all four sides seprate counter display using 89c51 so can u send me the ppts for this topic to give a presentation..my email id is [email protected] ....etc

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A New Low Power Test Pattern Generator Using a Variable-Length Ring Counter



1. Introduction
Built-in Self-Test (BIST) is a design-for-test (DFT)
technique in which testing is achieved through built-in
hardware features. The steps in a typical BIST approach are:
(1) on-chip test pattern generation; (2) application of
patterns to the circuit under test (CUT); (3) analysis of CUT
responses via on-chip output response analyzer (ORA) and
(4) making decision whether chip is faulty ....etc

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construction details,objectives,advantages, of pamban bridge ....etc

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i need this pdf file can you please make it available for me. thanx ....etc

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to get information about the topic new low power tpg using a variable length ring counter full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-a-new-low-power-test-pattern-generator-using-a-variable-length-ring-counter?pid=76514#pid76514 ....etc

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SEMINAR ON MICROPROCESSOR BASED LENGTH MEASUREMENT

INTRODUCTION
An electronic scale and length measurement apparatus including electronic length measurement transducer for providing an electrical signal indicative of the length of an object to be measured.

These signals are processed by an electronic signal processing circuit including a microprocessor, a ROM and a transducer.

CONVENTIONAL LENGTH MEASURING DEVICE
The conventional length measuring devices are that they have no memory.

Read ....etc

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hi
you can refer these page to get the details on variable length intake manifold

http://seminarsprojects.net/Thread-variable-length-intake-manifold-vlim--1919

http://seminarsprojects.net/Thread-variable-length-intake-manifold-vlim ....etc

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Hi
My name is Paulina and I m doing my thesis about ISDB-T, chosen standard for TDT in my country, Ecuador.
I have a question about time interleaving LENGTH, I can t understand what its values mean.
For example, according to Brazilian standard time interleaving LENGTH is related with delay and it has somo values, such as 0, 2, 4.. but I don t know what they mean.

If someone could helpe me, please.. I really need this information
Thank you! ....etc

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In internal combustion engines, variable length intake manifold (VLIM), or variable intake manifold (VIM) is an automobile internal combustion engine manifold technology. As the name implies, VLIM/VIM can vary the length of the intake tract in order to optimise power and torque, as well as provide better fuel efficiency.

Lower intake manifold on a 1999 Mazda Miata engine, showing components of a variable length intake system.

There are two main effects of variable intake geometry:
Swirl - Variable geometry can create a beneficial air sw ....etc

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