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Title: VARIABLE SPEED DC MOTOR DRIVE
Page Link: VARIABLE SPEED DC MOTOR DRIVE -
Posted By: K NARAYANA RAO
Created at: Thursday 17th of August 2017 06:46:11 AM
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VARIABLE SPEED DC MOTOR DRIVE


DC MOTOR THEORY:
Inducing a Force on a Conductor.
There are two conditions which are necessary to produce a force on a conductor:
i. The conductor must be carrying current.
ii. The conductor must be within a magnetic field.
When these two conditions exist, a force will be applied to the conductor, which
will attempt to move the conductor in a direction perpendicular to the magnetic
field. This is the basic theory by which all DC motors operate.
....etc

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Title: pen drive to pen drive data transfer without pc project ppt
Page Link: pen drive to pen drive data transfer without pc project ppt -
Posted By: ABDUL
Created at: Thursday 17th of August 2017 05:32:30 AM
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Title: pdf of variable voltage and variable frequency
Page Link: pdf of variable voltage and variable frequency -
Posted By: rasikarajagopal
Created at: Thursday 05th of October 2017 04:21:40 AM
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Title: variable frequency transformer pdf
Page Link: variable frequency transformer pdf -
Posted By: vishnuya
Created at: Thursday 05th of October 2017 04:53:24 AM
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to get information about the topic variable frequency transformer full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-variable-frequency-drive

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Title: working of transformerless variable frequency drive
Page Link: working of transformerless variable frequency drive -
Posted By: rajanpatel
Created at: Thursday 17th of August 2017 05:34:25 AM
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Title: SPEED CONTROL OF SYNCHRONOUS MOTOR BY USING VARIABLE FREQUENCY DRIVES
Page Link: SPEED CONTROL OF SYNCHRONOUS MOTOR BY USING VARIABLE FREQUENCY DRIVES -
Posted By: luv2satya
Created at: Thursday 17th of August 2017 06:54:27 AM
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SPEED CONTROL OF SYNCHRONOUS MOTOR BY USING VARIABLE FREQUENCY DRIVES

ABSTRACT
:

A novel open-loop speed control method for induction motors that provides high output torque and nearly zero steady-state speed error at any frequency is presented. The control scheme is based on the popular constant volts per hertz (V/f) method using low-cost open-loop current sensors. Only stator current measurements are needed to compensate for both stator resistance drop and slip frequency. The scheme proposed fully compensates for ....etc

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Title: Variable Voltage And Variable Frequency drives full report
Page Link: Variable Voltage And Variable Frequency drives full report -
Posted By: rasikarajagopal
Created at: Thursday 05th of October 2017 05:03:19 AM
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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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Title: variable frequency drive
Page Link: variable frequency drive -
Posted By: teamone2010
Created at: Thursday 17th of August 2017 08:21:05 AM
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Variable Frequency Drives

Introduction
Variable Frequency Drives are devices which control the speed of alternating current(AC) electric motors by controlling the frequency of the supply voltage of the motor. Motor-driven systems are designed to handle peak loads. If the system is running at a reduced load for some period of time, it will lead to energy inefficiency. With Variable frequency drives and the ability to adjust the speed of the motor, enables you to match the motor output to load requirement thus resul ....etc

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Title: 555 timer variable frequency astable multivibrator
Page Link: 555 timer variable frequency astable multivibrator -
Posted By: ananya mohanty88
Created at: Thursday 05th of October 2017 05:24:33 AM
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Title: variable frequency transformer ppt
Page Link: variable frequency transformer ppt -
Posted By: gupta_ankur128
Created at: Thursday 17th of August 2017 05:20:42 AM
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i have got topic as variable frequency transformer as my seminar topic ..so please provide information in simple language with ppt also


i have got topic as variable frequency transformer as my seminar topic ..so please provide information in simple language with ppt also



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