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EEE671 Industrial Electric Drives L T P C 3 0 2 4 Version : 1.00 Course Prerequisites: EEE571, EEE669 Objectives: To provide in depth knowledge and various aspects of solid-state control of DC & AC drives. Expected Outcome: On completion of the course the student will be able to: Apply different techniques of speed control and methods of braking of series and separately exited DC motor Analyze DC motor performance fed by single –phase and three – phase converters and choppers Design chopper fed drives for speed and torque control Apply the concepts of soft starting and Braking methods of AC machines Appreciate the usage of the modern hardware and software tools for control and design of drives Select and design the PE circuits for the various IM Drives Analyze and comprehend the different types of control of AC motors Unit I Introduction 9 hours Basic power electronic drive system, components. Different types of loads, shaft-load Coupling systems. Stability of power electronic drive, four quadrant operation and thermal selection of machines,- criteria for selection of drives components. Unit II Separately Excited DC Motor Drive 9 hours Conventional methods of DC motor speed control, single phase and three phase converter fed DC motor drive. Power factor improvement techniques, four quadrant operation. Chopper fed drives, input filter design. Braking and speed reversal of DC motor drives using choppers, multiphase choppers. PV fed DC drives - design of controllers. Unit III Scalar Control of Induction Motor 9 hours Review of Induction Machine operation– Impact of non-sinusoidal excitation on induction motors. Speed Control - Performance of the machine with variable voltage, v/f control, rotor resistance, pole changing, cascaded induction machines, slip power recovery - voltage source and current source inverter fed induction motor drives - design of controllers –applications. Unit IV Vector Control of Induction Motor 9 hours Vector Control: Field oriented control of induction machines – Theory – DC drive analogy – Direct and Indirect methods – Flux vector estimation. Direct torque control of Induction Machines – Torque expression with stator and rotor fluxes, DTC control strategy – sensorless control- design of controllers – applications. Unit V Synchronous Motor Control 9 hours Synchronous motor control - Open loop VSI fed drive and its characteristics- Permanent magnet synchronous machine: Brush and Brushless excitation – Load commutated inverter fed drive- Operation with field weakening – self-controlled operation: Torque angle control, Power factor control - Vector control – sensorless control - design of controllers – applications. Proceedings of the 32nd Academic Council [09.05.2014] 35
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Transcript of syllabus
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EEE671 Industrial Electric Drives
L T P C 3 0 2 4
Version : 1.00 Course Prerequisites: EEE571, EEE669
Objectives:
To provide in depth knowledge and various aspects of solid-state control of DC & AC
drives.
Expected Outcome: On completion of the course the student will be able to:
Apply different techniques of speed control and methods of braking of series and separately exited DC motor
Analyze DC motor performance fed by single phase and three phase converters and choppers
Design chopper fed drives for speed and torque control Apply the concepts of soft starting and Braking methods of AC machines Appreciate the usage of the modern hardware and software tools for control and design of
drives
Select and design the PE circuits for the various IM Drives Analyze and comprehend the different types of control of AC motors
Unit I Introduction 9 hours Basic power electronic drive system, components. Different types of loads, shaft-load Coupling systems. Stability of power electronic drive, four quadrant operation and thermal selection of machines,- criteria for selection of drives components. Unit II Separately Excited DC Motor Drive 9 hours Conventional methods of DC motor speed control, single phase and three phase converter fed DC motor drive. Power factor improvement techniques, four quadrant operation. Chopper fed drives, input filter design. Braking and speed reversal of DC motor drives using choppers, multiphase choppers. PV fed DC drives - design of controllers. Unit III Scalar Control of Induction Motor 9 hours Review of Induction Machine operation Impact of non-sinusoidal excitation on induction motors. Speed Control - Performance of the machine with variable voltage, v/f control, rotor resistance, pole changing, cascaded induction machines, slip power recovery - voltage source and current source inverter fed induction motor drives - design of controllers applications.
Unit IV Vector Control of Induction Motor 9 hours
Vector Control: Field oriented control of induction machines Theory DC drive analogy Direct and Indirect methods Flux vector estimation. Direct torque control of Induction Machines Torque expression with stator and rotor fluxes, DTC control strategy sensorless control- design of controllers applications. Unit V Synchronous Motor Control 9 hours Synchronous motor control - Open loop VSI fed drive and its characteristics- Permanent magnet synchronous machine: Brush and Brushless excitation Load commutated inverter fed drive- Operation with field weakening self-controlled operation: Torque angle control, Power factor control - Vector control sensorless control - design of controllers applications.
Proceedings of the 32nd Academic Council [09.05.2014] 35
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Reference Books: 1. Bimal K Bose, Modern Power Electronics and AC Drives, Pearson Education Asia,
2005. 2. Wildi, Wildi Theodore, Electrical Machines, Drives and Power Systems Pearson
Education India, 2007. 3. S. Sivanagaraju, M. Balasubba Reddy, A. Mallikarjuna Prasad, Power Semiconductor
Drives PHI Learning Pvt. Ltd., 2009. 4. R. Krishnan, Permanent Magnet Synchronous and Brushless DC Motor Drives, Taylor
and Francis, 2010. 5. Vedam Subramanyam, Electric Drives Concepts and Applications, Tata McGraw
Hill, 2011. 6. Haitham Abu-Rub, Atif Iqbal, Jaroslaw Guzinski, High Performance Control of AC
Drives with Matlab/Simulink Models, John Wiley & Sons, 2012. 7. Leonard, W, "Control of Electric Drives", Springer Verlag, 1985. 8. http://nptel.ac.in/courses/108108077/
Proposed by: Prof. Raju J Prof. Umashankar S
List of Experiments:
1. Computer Based Control of AC and DC Drives
2. Dynamic braking / Rheostatic Braking of Separately Excited DC motors
3. Plugging Braking of Separately Excited DC motors
4. DC Dynamic braking (DC voltage injection) of Squirrel Cage Induction Motor
5. Variable Rhestat Control of Slip Ring Induction Motor
6. Digital Simulation of Converter fed DC motor drive
7. Digital Simulation of Chopper fed DC motor drive
8. Digital Simulation of Variable Voltage Variable Frequency AC drive
9. Digital Simulation of Slip Power Controlled AC Drive
10. Digital Simulation of Vector Controlled AC Drive Proposed by: Prof. Raju J Prof. Umashankar S
Proceedings of the 32nd Academic Council [09.05.2014] 36
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