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Title: HARMONIC ANALYSIS OF SEPARATELY EXCITED DC MOTOR DRIVES FED BY SINGLE PHASE CONTROLLE
Page Link: HARMONIC ANALYSIS OF SEPARATELY EXCITED DC MOTOR DRIVES FED BY SINGLE PHASE CONTROLLE -
Posted By: seminar class
Created at: Thursday 10th of March 2011 05:31:02 PM
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Presented By
A.ARTHI JANNIE


HARMONIC ANALYSIS OF SEPARATELY EXCITED DC MOTOR DRIVES FED BY SINGLE PHASE CONTROLLED RECTIFIER AND PWM RECTIFIER
ABSTRACT
PWM rectifier is an ac to dc power converter which is implemented using power electronic semiconductor switches such as MOSFET, IGBT. Different from diode bridge rectifiers, PWM rectifiers achieve bidirectional power flows,which can be extensively used in battery charger, UPS system, regulated dc voltage source. SCR converters provide low power fac ....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: project report helper
Created at: Saturday 25th of September 2010 01:58:36 PM
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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 d ....etc

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Title: ADAPTIVE CONTROLLER FOR DC MOTOR DRIVES A HARDWARE AND SOFTWARE APPROACH
Page Link: ADAPTIVE CONTROLLER FOR DC MOTOR DRIVES A HARDWARE AND SOFTWARE APPROACH -
Posted By: project report helper
Created at: Wednesday 06th of October 2010 06:55:13 PM
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ADAPTIVE CONTROLLER FOR DC MOTOR DRIVES: A HARDWARE AND SOFTWARE APPROACH

F I Ahmed, A M El-Tobshy, A A Mahfouz, and M M Ibrahim
Faculty of Engineering, University of Cairo, Egypt



Abstract:

The most commonly used controller for the speed control of dc motor drives is (P-I) controller. In spite of the major features of the (P-I) controller, it has some disadvantages such as: the high starting overshoot in speed, the sensitivity to controller gains and the sluggish response due to sudden change ....etc

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Title: difference between chopper fed drives and converter fed drives pdf
Page Link: difference between chopper fed drives and converter fed drives pdf -
Posted By:
Created at: Saturday 21st of November 2015 06:27:01 AM
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difference between chopper fed drives and converter fed drives pdf ....etc

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Title: FLUX ESTIMATORS FOR SPEED-SENSORLESS INDUCTION MOTOR DRIVES
Page Link: FLUX ESTIMATORS FOR SPEED-SENSORLESS INDUCTION MOTOR DRIVES -
Posted By: computer girl
Created at: Thursday 07th of June 2012 04:21:46 PM
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FLUX ESTIMATORS FOR SPEED-SENSORLESS
INDUCTION MOTOR DRIVES




Abstract

This thesis deals with flux estimators for speed-sensorless induction motor drives. To enhance
the stability and the performance of state-of-the-art sensorless drives, new flux estimator
designs based on the standard motor model are proposed. Theoretical and experimental
research methods are both used. The dynamics and stability of flux estimators
are analyzed using linearized models, and the effects of parameter errors are investig ....etc

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Title: CHAIN DRIVES IN LOW TORQUE DRIVES AND REDUCING PULSATIONS
Page Link: CHAIN DRIVES IN LOW TORQUE DRIVES AND REDUCING PULSATIONS -
Posted By: projectsofme
Created at: Saturday 02nd of October 2010 11:47:57 AM
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CHAIN DRIVES IN LOW TORQUE DRIVES AND REDUCING PULSATIONS
INTRODUCTION TO DRIVES

Mechanical components used for power transmission. It may be belt, chain or gear depending on engine design parameters like - Distance between crankshaft and camshaft, engine maximum speed, engine-torque and engine construction cost. - Power transmission is done from one shaft to another shaft which may or may not rotate at same spe ....etc

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Title: ppt on direct torque control of induction motor drives
Page Link: ppt on direct torque control of induction motor drives -
Posted By:
Created at: Sunday 24th of April 2016 12:13:54 PM
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i need ppt and a want to read it. i hope i have it. please ....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: project report helper
Created at: Saturday 25th of September 2010 02:01:38 PM
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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 resista ....etc

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Title: IMPEDENCE - SOURCE INVERTER FOR MOTOR DRIVES full report
Page Link: IMPEDENCE - SOURCE INVERTER FOR MOTOR DRIVES full report -
Posted By: seminar class
Created at: Wednesday 27th of April 2011 11:57:02 AM
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IMPEDENCE - SOURCE INVERTER FOR MOTOR DRIVES
Traditional Source Inverters
Voltage Source Inverter.
Current Source Inverter.
Voltage Source Inverter
Problems
This inverter can be used only for Buck operation.
For application where the required output voltage is high, an additional dc-dc boost converter is needed to obtain a desired ac output.
This inverter does not have ability to provide ride-through during voltage sags .
additional power converter stage increases system cost and lowers efficiency. ....etc

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Title: Z-Source Inverter for Motor Drives
Page Link: Z-Source Inverter for Motor Drives -
Posted By: smart paper boy
Created at: Wednesday 22nd of June 2011 06:12:05 PM
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Abstract
This paper presents a Z-source inverter system and control for general-purpose motor drives. The Z-source inverter system employs a unique LC network in the dc page link and a small capacitor on the ac side of the diode front end. By controlling the shoot-through duty cycle, the Z-source can produce any desired output ac voltage, even greater than the line voltage. As a result, the new Z-source inverter system provides ride-through capability duringvoltage sags, reduces line harmonics, improves power factor and reliability, an ....etc

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