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ECE 522: Induction Machines University of Idaho Fall Semester 2015 Syllabus 1. (2 lessons) Introduction and History of Induction Machines (Machines) Welcome to ECE 522 Induction Machines Course policies, syllabus, and expectations History of the induction machine Induction machine construction and operation: Squirrel cage, wound rotor, DFIG 2. (6 lessons) Steady State Circuit Models (Machines) Purpose of steady state equivalent circuit models Induction machine equivalent circuit model Performance elements: currents, slip, torque, power Limits of performance: max torque, starting torque, slip frequency Steady state field orientation from a circuit perspective 3. (2 lessons) Winding Theory (Lipo) Winding functions, turns functions Magnetic flux profiles Calculation of inductances Examples 4. (8 lessons) Induction Machine Models and Reference Frame Theory (Lipo, Krause, Maxwell) Induction machine equations: voltage, current, flux, speed, and torque Conversion to dq0 variables Definition of the reference frames Squirrel cage and wound rotor models DFIG internal voltage model Expressing an induction machine model’s equations in each reference frame Finite element models Examples 5. (4 lessons) Induction Machine Simulation: MATLAB and Simulink (MS, Maxwell) Introduction to MATLAB and Simulink Expressing equations in a form appropriate for simulation Modeling the induction machine in Simulink Finite element simulation Obtaining simulation results Examples 6. (2 lessons) Complex Vector Methods (Handout) Definition of complex variables Expressing machine equations in complex vector form Examples 7. (6 lessons) Field orientation / vector control of induction machines (Krause) Fundamentals of variable speed drives Principles and constraints of vector control Field orientation as a special case of field orientation Simplified machine model for steady state field orientation Dynamics of field orientation Examples 8. (6 lessons) Small Signal Analysis (Lipo, handout) Constant speed eigenvalues Linearization techniques Small signal model equations Machine performance and stability considerations Examples 9. (6 lessons) Wind Turbine Generator Models (Wu) Review DFIG model Wind turbine modeling Control of wind turbine Examples 10. (2 lessons) Examinations This syllabus may be modified during the semester based on student learning and interest. ECE 522 (3 cr., graduate, Fall semester alternative years) Winding theory, reference frame theory, induction machine models, complex vector methods, small signal analysis, induction machine capability, simulation, introduction to variable speed drives. Textbooks: 1. (Machines) The textbook that you used when learning your introductory understanding of induction machines. 2. (Lipo) Lipo, Thomas A. Introduction to Electric Machine Design. University of Wisconsin. ISBN 978-0974547053 3. (Krause) Krause, Paul C., Washyczuk, Oleg, Sudhoff, Scott D., and Pekarek, Steven. Analysis of Electric Machinery and Drive Systems, Third Edition. IEEE Press. ISBN 9781118024294. eISBN 9781118524336 4. (MS) MATLAB and Simulink Help Library. 5. (Wu) Wu, Bin, Lang, Yongqiang, Zargari, Navid, and Kouro, Samir. Power Conversion and Control of Wind Energy. ISBN 9780470593653. eISBN 9781118028995. 6. (Maxwell) On-line application notes for Ansys Maxwell.