| Obligation |
: |
Elective |
| Prerequisite courses |
: |
ELE361 |
| Concurrent courses |
: |
ELE479 |
| Delivery modes |
: |
Face-to-Face |
| Learning and teaching strategies |
: |
Lecture, Question and Answer, Problem Solving, Other: This course must be taken together with ELE479 ELECTRIC MACHINES LABORATORY II. |
| Course objective |
: |
This course is designed to equip seniors with knowledge about the operating characteristics of three-phase and single-phase AC machines widely used in the industry and, their performance analyses based on steady-state equivalent circuit models and phasor diagrams. |
| Learning outcomes |
: |
A student who completes the course successfully will Know the three-phase distributed winding principles, nature of the magnetic fields produced in three-phase ac machines, Learn basic concepts on three-phase induction machines and synchronous machines, Apply the techniques learned in the class to derive the performance characteristics of three-phase machines based on steady-state equivalent circuit models and phasor diagrams, Be aware of speed control techniques applied to three-phase ac machines, Learn operating principles of single-phase AC motors. |
| Course content |
: |
Introduction, Three-Phase Distributed Winding Principles, Rotating Magnetic Fields, Winding Factors, Induced EMF, Three-Phase Induction Machines (Equivalent circuit model, operation in motoring, generating and braking modes, blocked-rotor and no-load tests, torque-speed characteristics, ratings and efficiency, starting methods, speed control), Synchronous Machines (generator and motor operation, cylindrical and salient-pole rotor types, equivalent circuit model and phasor diagrams, open- and short-circuit tests, excitation systems and voltage regulation, applications). Single-phase induction motors (equivalent circuit model, steady-state operation, starting, Split-phase motors, capacitor type and shaded pole motors. |
| References |
: |
Electric Machinery Fundamentals, Chapman, 3rd Ed., McGraw-Hill; Electric Machinery, Fitzgerald, Kingsley, Umans, 5th Ed., McGraw-Hill; Electric Machines, Slemon, Straughen, Addison Wesley; Principles of Electrical Machinery and Power Electronics, Sen, John Wiley; Electromechanics and Electric Machines, Nasar, Unnewehr, 2nd Ed., John Wiley. |
Course Outline Weekly
| Weeks |
Topics |
| 1 |
Introduction |
| 2 |
Three-phase distributed winding principles, rotating magnetic fields, winding factors, induced emfs |
| 3 |
Three-phase induction machines - operation principles, steady-state equivalent circuit model |
| 4 |
Torque-speed characteristics of induction motors |
| 5 |
Three-phase induction machines - Blocked-rotor and no-load tests |
| 6 |
Motoring, generating and braking modes of operation of induction machines |
| 7 |
Ratings and efficiency, starting methods of induction motors |
| 8 |
Midterm Exam |
| 9 |
Speed control methods of induction motors - examples |
| 10 |
Synchronous machine - operation principles, cylindrical and salient rotor types |
| 11 |
Equivalent circuit model and phasor diagrams of synchronous machine |
| 12 |
Open- and short-circuit test of synchronous machines, excitation systems and voltage regulation |
| 13 |
Single-phase induction motors: equivalent circuit model, steady-state operation, starting |
| 14 |
Split-phase motors, capacitor type and shaded pole motors |
| 15 |
Preparation for Final exam |
| 16 |
Final exam |
Matrix Of The Course Learning Outcomes Versus Program Outcomes
| Key learning outcomes |
Contribution level |
| 1 |
2 |
3 |
4 |
5 |
| 1. |
Possesses the theoretical and practical knowledge required in Electrical and Electronics Engineering discipline. | | | | | |
| 2. |
Utilizes his/her theoretical and practical knowledge in the fields of mathematics, science and electrical and electronics engineering towards finding engineering solutions. | | | | | |
| 3. |
Determines and defines a problem in electrical and electronics engineering, then models and solves it by applying the appropriate analytical or numerical methods. | | | | | |
| 4. |
Designs a system under realistic constraints using modern methods and tools. | | | | | |
| 5. |
Designs and performs an experiment, analyzes and interprets the results. | | | | | |
| 6. |
Possesses the necessary qualifications to carry out interdisciplinary work either individually or as a team member. | | | | | |
| 7. |
Accesses information, performs literature search, uses databases and other knowledge sources, follows developments in science and technology. | | | | | |
| 8. |
Performs project planning and time management, plans his/her career development. | | | | | |
| 9. |
Possesses an advanced level of expertise in computer hardware and software, is proficient in using information and communication technologies. | | | | | |
| 10. |
Is competent in oral or written communication; has advanced command of English. | | | | | |
| 11. |
Has an awareness of his/her professional, ethical and social responsibilities. | | | | | |
| 12. |
Has an awareness of the universal impacts and social consequences of engineering solutions and applications; is well-informed about modern-day problems. | | | | | |
| 13. |
Is innovative and inquisitive; has a high level of professional self-esteem. | | | | | |
