Modeling of Armature Controlled D.C Motor
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projectsofme
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02-10-2010, 10:31 AM



.ppt   Modeling of Armature Controlled D.C Motor.ppt (Size: 1.85 MB / Downloads: 173)
Modeling of Armature Controlled D.C Motor


INTRODUCTION
What is DC Motor?

A direct current (DC) motor is a fairly simple electric motor that uses electricity and a magnetic field to produce torque, which turns the motor.
A dc motor is used to convert electrical energy into mechanical energy for driving loads.



PRINCIPLE OF OPERATION

The operation of a dc motor is based on electromagnetism.

A current -carrying conductor generates a magnetic field; when this is then placed in an external magnetic field, it will experience a force proportional to the current in the conductor, and to the strength of the external magnetic field.


METHODS OF SPEED CONTROL OF DC MOTOR

N=K V-IaRa\ r.p.s Flux\ Pole

Flux control method.
Rheostatic Control method.
Voltage control method.

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