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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



send me info or link
on [email protected] ....etc

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Title: A Neural-Network-Based Space-Vector PWM Controller for Voltage-Fed Inverter Induct
Page Link: A Neural-Network-Based Space-Vector PWM Controller for Voltage-Fed Inverter Induct -
Posted By: musthu
Created at: Thursday 05th of October 2017 04:56:35 AM
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A Neural-Network-Based Space-Vector
PWM Controller for Voltage-Fed
Inverter Induction Motor Drive


abstract


neural-network-based implementation of
space-vector modulation (SVM) of a voltage-fed inverter has been
proposed in this paper that fully covers the undermodulation and
overmodulation regions linearly extending operation smoothly
up to square wave. A neural network has the advantage of very
fast implementation of an SVM algorithm that can increase the
converter switching frequency, particul ....etc

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Title: PWM based Inverter fed Induction MotorIntroduction to Pulse Width Modulation PWM
Page Link: PWM based Inverter fed Induction MotorIntroduction to Pulse Width Modulation PWM -
Posted By: rohith
Created at: Thursday 17th of August 2017 08:20:35 AM
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to get information about the topic PWM based Inverter fed Induction MotorIntroduction to Pulse Width Modulation full report refer the page link bellow
http://seminarsprojects.net/Thread-pwm-based-inverter-fed-induction-motorintroduction-to-pulse-width-modulation-pwm-in ....etc

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

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Title: Pulse Based Dead Time Compensator for PWM Voltage Inverters
Page Link: Pulse Based Dead Time Compensator for PWM Voltage Inverters -
Posted By: rejinraj
Created at: Thursday 17th of August 2017 06:28:13 AM
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Pulse Based Dead Time Compensator for PWM Voltage Inverters



I. Introduction
The state of the art in motor control provides an adjustable
voltage and frequency to the terminals of the motor
through a pulse width modulated (PWM) voltage source inverter
drive. As the power devices change switching states,
a dead time exists. Although the dead time is short, it
causes deviations from the desired fundamental output voltage.
While each deviation does not appreciably affect the
fundamental voltage, the ac ....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: c code for frequency counter on lpc2148
Page Link: c code for frequency counter on lpc2148 -
Posted By: crazy
Created at: Thursday 05th of October 2017 05:00:29 AM
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To get full information or details of c code for frequency counter on lpc2148 please have a look on the pages

http://engineersgaragecontribution/expert/wave-counter-on-arm7

if you again feel trouble on c code for frequency counter on lpc2148 please reply in that page and ask specific fields in c code for frequency counter on lpc2148 ....etc

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Title: pwm code on lpc2148
Page Link: pwm code on lpc2148 -
Posted By: shalu_27
Created at: Thursday 17th of August 2017 04:53:30 AM
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Hi..
I wanna generate pwm on lpc 2148 but NOT on standard assigned pins for pwm..As my requirements are more than 6 pwm's i want to generate pwm on GPIO port by using timers..
Please help..Thanx in advance ....etc

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Title: frequency counter using lpc2148
Page Link: frequency counter using lpc2148 -
Posted By: joydeep
Created at: Thursday 05th of October 2017 03:46:27 AM
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hello sir,
I want to count frequency of variable frequency square wave and display it on lcd using lpc2148. I am confused about how to start. I need algorithm for program flow
Regards,
Priyanka ....etc

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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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