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BRUSHLESS DC ELECTRIC MOTOR


Posted by: seminar class
Created at: Thursday 17th of March 2011 06:22:40 AM
Last Edited Or Replied at :Thursday 18th of August 2011 02:31:54 AM
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hed DC motors
Brushed DC motors have been in commercial use since 1886,. BLDC motors, however have only been commercially possible since 1962.
Limitations of brushed DC motors overcome by BLDC motors include lower efficiency and susceptibility of the commutator assembly to mechanical wear and consequent need for servicing, at the cost of potentially less rugged and more complex and expensive control electronics. BLDC motors develop maximum torque when stationary and have linearly decreasing torque with increasing speed as shown in the adjacent figure
A..................[:=> Show Contents <=:]



SPEED CONTROL OF DC MOTOR USING PWM TECHNIQUE


Posted by: venki2210
Created at: Sunday 27th of November 2011 07:27:49 PM
Last Edited Or Replied at :Monday 20th of February 2012 05:07:22 AM
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PLEASE SEND ME THE REPORT WITH CKT DIAGRAMS ..................[:=> Show Contents <=:]



mathematicalmodelling of brushless DC motor


Posted by: jkarthickeyan
Created at: Thursday 22nd of April 2010 01:14:29 AM
Last Edited Or Replied at :Thursday 22nd of April 2010 01:14:29 AM
mathematicalmodelling of brushless DC motor, dc motor speed controlmathematicalmodelling , dc motor speed controldc motor parts, high torque dc motors , 48 volt dc motor, ac and dc motors , linear dc motor, dc permanent magnet motor , micro dc motors, johnson dc motor , advanced dc motors, dc motor torque , simple dc motor, 6v dc motor , dc motor parts, brushless , motor, mathematicalmodelling of brushless dc motor ,
hi frns

karthikeyan here. did any one doing proj on mathematical modelling of BLDC....

help me tre, i ..................[:=> Show Contents <=:]



SPEED SENSORLESS SEPARATELY EXCITED DC MOTOR DRIVE WITH AN ADAPTIVE OBSERVER report


Posted by: project topics
Created at: Sunday 18th of April 2010 11:49:49 AM
Last Edited Or Replied at :Tuesday 05th of October 2010 04:31:53 AM
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esistance of the armature circuit. If this resistance of the armature is represented by Ra, the back e.m.f by Eb and the applied voltage by V then we have
V = Eb + Ia Ra
Where Ia is the current in the armature circuit.
TORQUE DEVELOPED IN A MOTOR:
When the field of the machine is excited and a potential difference is impressed upon the machine terminals, the current in the armature circuit reacts with the air gap flux to produce a turning moment or torque which tends to cause the armature to revolve.
TYPES OF MOTORS:
1. Separately excited dc motor
2 .Self excited dc motor
Self..................[:=> Show Contents <=:]



An Adaptive Programming Model for Fault-Tolerant Distributed Computing for more htt


Posted by: maheshreddy589
Created at: Friday 26th of March 2010 01:28:39 PM
Last Edited Or Replied at :Tuesday 14th of February 2012 02:07:58 AM
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sir ..................[:=> Show Contents <=:]



pmdc motor


Posted by: chodekiran
Created at: Friday 05th of March 2010 12:25:10 AM
Last Edited Or Replied at :Friday 05th of March 2010 12:25:10 AM
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electrical engineering projects for college students


Posted by: electronics seminars
Created at: Friday 15th of January 2010 01:32:47 PM
Last Edited Or Replied at :Monday 05th of March 2012 09:14:51 AM
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cations in HTS PMSM Machines Control
e. A 24-pulse AC-DC converter employing a pulse doubling technique for vector controlled induction motor drives
f. Prediction-based ripple reduction in Direct Torque Control of an induction machine
g. DTC-SVM Scheme for Induction Motors Fed with a Three-level Inverter
h. Wound Rotor Induction Generator With Sensor less Control and Integrated Active Filter for Feeding Nonlinear Loads in a Stand-Alone Grid
i. Fuzzy Logic Based Control of Variable Speed Induction Machine wind Generation System
j. Permanent Magnet Synchronous Machine Hybrid Torque C..................[:=> Show Contents <=:]



Brushless Servomotor


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 11:16:47 PM
Last Edited Or Replied at :Thursday 07th of February 2013 06:16:51 AM
Servomotor , Brushless, report on servomotor , brushless servomotor seminar report, brushless dc servo motor project ,
the rotor position by controlling the power source. The increasing trend and need towards automated factories and sophisticated robotics would definitely make the use of servomotors more widespread....................[:=> Show Contents <=:]



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