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Dynamic Performance Enhancement of an Armature Controlled Separately Excited D.C. Motor | ||
| Al-Rafidain University College For Sciences | ||
| Article 1, Volume 0, Issue 36, 2017, Pages 271-304 | ||
| Author | ||
| Zainab Basheer Abdulla | ||
| Abstract | ||
| In this paper the dynamic performance (speed regulation performance versus reference and load torque changes) of a separately excited D.C. motor is enhanced, the D.C. motor is fed by a D.C. source through a chopper which consists of GTO thyristor and free-wheeling diode. The motor drives a mechanical load characterized by inertia J, friction coefficient B, and load torque TL. The performance enhancement is achieved by using a speed control loop uses a proportional-integral (PI) controller which produces the reference signal for the current control loop and this is a (PI) current controller compares the sensed current with the reference and generates the trigger signal for the GTO thyristor to force the motor current to follow the reference. The simulation of the D.C. drive is performed using MATLAB/Simulink program version 7.10 (R2010a). | ||
| Keywords | ||
| motor; drive; GTO; PI Controller; speed controller; current controller | ||
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