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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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shown in the adjacent figure
A BLDC motor has permanent magnets which rotate and a fixed armature, eliminating the problems of connecting current to the moving armature. An electronic controller replaces the brush/commutator assembly of the brushed DC motor, which continually switches the phase to the windings to keep the motor turning. The controller performs similar timed power distribution by using a solid-state circuit rather than the brush/commutator system.
The interface circuitry between a digital controller and motor. The waveforms show multiple transitions between high and low volt..................[:=> 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..................[:=> 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 am stuck with it....................[:=> 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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ey are mutually perpendicular to each other, if the fore
finger represents magnetic field, the middle finger represents the direction of
the conventional current, the thumb represents the direction of the force.
Value of mechanical force:
The force exerted upon a current carrying conductor is dependent
upon the density of the magnetic field, the length of conductor, and the value
of current flowing in the conductor. Assuming that the conductor is located
at right angles to the magnetic field, the force developed can be expressed as follows:
F = BIL sin
Where:
F = force in ..................[:=> 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 i want full do..................[:=> 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
permanent magnet dc motors , permanent magnet dc motorsdc motor specifications, permanent magnet dc motor , pmdc motor manufacturer, pmdc motors india , dc motor speed control, dc shunt motor , servo motor, rotomag motors , electric motor, dc machines , brushless dc motor, ac motor , synchronous motor, dc motor specifications , pmdc motor, pmdc , motor, basics of pmdc motor , topics related to pmdc motor,
related topics for pmdc moto..................[:=> Show Contents <=:]



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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Permanent-Magnet Machine Drives With Zero Phase Lag Position Estimation
gg. Simulink implementation of Induction motor model
hh. Sensor less Control of Interior Permanent-Magnet Machine Drives With Zero-Phase Lag Position Estimation
ii. Development of Low Cost Multi Phase Brushless DC (BLDC) Motors with Unipolar Current Excitations.
jj. A simple Circuit-Oriented model for predicting six-phase induction machine performances.
kk. A Matlab/Simulink Model Based on power system block set-A new Direct Torque Control Strategy for Interior Permanent Magnet Synchronous Machine Drive System
..................[:=> 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 commutator in the magnetic field generated by permanent magnets N and S, torque is generated. For getting a stable torque proportional to current, the line of magnetic force should intersect the direction of current at right angles in a dc motor. This is enabled by the use of rectifiers (a commutator and brushes).The brushless servomotor lacks the rectifiers that the de motor has, and has a device for making the current flow to fit the rotor position by controlling the power source. The increasing trend and need towards automated factories and sophisticated robotics would definitely make..................[:=> Show Contents <=:]



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