EE69004: Machine Drives Laboratory
| EE69004 | |||||||||||||||||||||
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| Course name | MACHINE DRIVES LABORATORY | ||||||||||||||||||||
| Offered by | Electrical Engineering | ||||||||||||||||||||
| Credits | 2 | ||||||||||||||||||||
| L-T-P | 0-0-3 | ||||||||||||||||||||
| Previous Year Grade Distribution | |||||||||||||||||||||
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| Semester | {{{semester}}} | ||||||||||||||||||||
Syllabus
Syllabus mentioned in ERP
Drive Concept: different machine and load characteristics, equilibrium and steady state stability, four quadrant operation, referred inertia and load torque for different coupling mechanism, thermal selection of machines; Separately excited dc motor drive: operating limits using armature voltage control and field control techniques, dynamic model(armature voltage control only) of machine and converters (continuous conduction only), open-loop dynamic performance, starting and reversal time, energy consumption, closed loop control using single (speed) and two loops (speed, current), implementation using circulating current type three phase dual converter and four quadrant transistorized chopper. State feedback control and sliding mode control of separately excited dc machine, modeling and control of separately excited dc machine in field weakening region and discontinuous converter conduction mode, control of dc series machine; Review of variable frequency operation of three phase symmetrical induction machine: scalar control methods (constant volts/Hz and airgapflux control), vector control of induction machine, methods of flux sensing/estimation, implementation of IRFO scheme using current controlled PWM VSI, implementation of DSFO scheme using GTO CSI, effect of machine parameter variation on the performance of vector controlled induction motor drive, speed sensorless control, flux observation, Direct Torque Control; Speed control of wound rotor induction motors: static rotor resistance control, static scherbius drive using line commutated converter cascade, harmonics and power factor, vector control of wound rotor induction machine using self commutated converter cascade and improvement in power factor, introduction to variable speed constant frequency (VSCF) generation; Control of wound field synchronous machine: constant volts/Hz control, scalar self control (commutator less motor), vector control; Control of permanent magnet synchronous machine: Brushless dc machine, surface permanent magnet machine and interior permanent magnet machine control; Introduction to speed control of Switched Reluctance machine.