Course Title and Code
Electric Drives (EE5523)
Course Credit
3-0-0-3 (Lecture-Tutorial-Practical-Total Credits)
Course Category
Elective course (PME) for M.Tech / PME for B.Tech
Target Programme
PG
Prerequisite
Electrical Machines UG level (EE2020)
Consent of Teacher
Required for B.Tech students
Course Content
| S/N | Topic | Lecture (hrs) |
|---|---|---|
| 1 | Basic concepts: 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, Regeneration in drives, Braking in drives. | 9 |
| 2 | DC Motor Drive: Dynamic model of DC motor, Different types of choppers and their use for DC motor control, PWM strategies for different choppers, DC Motor Drive Using Phase Controlled Rectifier, 4-quadrant operation of DC drive, Closed Loop Control of DC Motor - design of single loop speed controller, cascaded controller design for DC motor using inner current control loop and outer speed control loop. | 12 |
| 3 | Induction Motor Drives: Steady state equivalent circuit and phasor diagram with variable frequency supply, scalar control of induction motor drive, design of single loop speed controller, field orientation concept and vector control, vector control of squirrel cage induction motor drive using voltage source inverter, Direct torque control, and speed sensor less control schemes. | 12 |
| 4 | Synchronous Motor Drives: Synchronous motor drive with Variable Voltage Variable Frequency supply, synchronous motor drive using a voltage source inverter, Permanent magnet synchronous motor (PMSM) drive control. Introduction to SRM drives. | 9 |
Course Outcome
- Understand the fundamental principles of Electric drives and analyzing electrical machine torque and load torque characteristics.
- Model and analyze various control schemes employed for DC as well as AC drives.
- Design speed and torque control systems for electric drives using various types of motors.
Teaching Methodology
Classroom lectures
Assessment Methods
Assignments, Simulation assignments / Mini-projects, test / written examination
Text Books
- P. C Krauss, Wasyncsuk and Sudholf, Analysis of Electrical Machines and Drive Systems, John Wiley, 2nd edition, ISBN-13: 978-8126525126, ISBN-10: 9788126525126
- Leonhard W., Control of Electrical Drives, Springer-Verlag, 3rd Edition, ISBN 978-3-642-62609-8
- Krishnan. R., Electric Motor drives: Modelling, Analysis and Control, Pearson Education India; 1st edition (2015), ISBN-10:9789332549715, ISBN-13:978-9332549715
References
- B.K.Bose, Modern Power Electronics and AC Drives, Pearson Education India; 1 edition (2015), ISBN-10: 9332557551, ISBN-13: 978-9332557550
- Bin Wu, High Power Converters and AC Drives, 2nd edition, Wiley-IEEE Press , ISBN: 978-1-119-15603-1