ACADEMICS
Course Detail

ELE 477 Electric Machines II
2016-2017 Spring term information

The course is not open this term

Timing data are obtained using weekly schedule program tables. To make sure whether the course is cancelled or time-shifted for a specific week one should consult the supervisor and/or follow the announcements.

Course definition tables are extracted from the ECTS Course Catalog web site of Hacettepe University (http://ects.hacettepe.edu.tr) in real-time and displayed here. Please check the appropriate page on the original site against any technical problems.

ELE477 - ELECTRIC MACHINES II

Course Name Code Semester Theory
(hours/week)
Application
(hours/week)
Credit ECTS
ELECTRIC MACHINES II ELE477 7th Semester 3 0 3 6
Prerequisite(s)ELE361 Electric Machines I
Course languageEnglish
Course typeElective 
Mode of DeliveryFace-to-Face 
Learning and teaching strategiesLecture
Question and Answer
Problem Solving
Other: This course must be taken together with ELE479 ELECTRIC MACHINES LABORATORY II.  
Instructor (s)Faculty members 
Course objectiveThis 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
  1. A student who completes the course successfully will L.O.1. Know the three-phase distributed winding principles, nature of the magnetic fields produced in three-phase ac machines,
  2. L.O.2. Learn basic concepts on three-phase induction machines and synchronous machines,
  3. L.O.3. 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,
  4. L.O.4. Be aware of speed control techniques applied to three-phase ac machines,
  5. L.O.5. Learn operating principles of single-phase AC motors.
Course ContentIntroduction,
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.
 
ReferencesElectric 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

WeeksTopics
Week 1Introduction
Week 2Three-phase distributed winding principles, rotating magnetic fields, winding factors, induced emfs
Week 3Three-phase induction machines - operation principles, steady-state equivalent circuit model
Week 4Torque-speed characteristics of induction motors
Week 5Three-phase induction machines - Blocked-rotor and no-load tests
Week 6Motoring, generating and braking modes of operation of induction machines
Week 7Ratings and efficiency, starting methods of induction motors
Week 8Midterm Exam
Week 9Speed control methods of induction motors - examples
Week 10Synchronous machine - operation principles, cylindrical and salient rotor types
Week 11Equivalent circuit model and phasor diagrams of synchronous machine
Week 12Open- and short-circuit test of synchronous machines, excitation systems and voltage regulation
Week 13Single-phase induction motors: equivalent circuit model, steady-state operation, starting
Week 14Split-phase motors, capacitor type and shaded pole motors
Week 15Preparation for Final exam
Week 16Final exam

Assesment methods

Course activitiesNumberPercentage
Attendance00
Laboratory00
Application00
Field activities00
Specific practical training00
Assignments510
Presentation00
Project00
Seminar00
Midterms140
Final exam150
Total100
Percentage of semester activities contributing grade succes650
Percentage of final exam contributing grade succes150
Total100

Workload and ECTS calculation

Activities Number Duration (hour) Total Work Load
Course Duration (x14) 14 3 42
Laboratory 0 0 0
Application000
Specific practical training000
Field activities000
Study Hours Out of Class (Preliminary work, reinforcement, ect)14342
Presentation / Seminar Preparation000
Project000
Homework assignment5420
Midterms (Study duration)12525
Final Exam (Study duration) 12525
Total Workload3560154

Matrix Of The Course Learning Outcomes Versus Program Outcomes

D.9. Key Learning OutcomesContrubition level*
12345
1. PO1. Possesses the theoretical and practical knowledge required in Electrical and Electronics Engineering discipline.     X
2. PO2. Utilizes his/her theoretical and practical knowledge in the fields of mathematics, science and electrical and electronics engineering towards finding engineering solutions.    X
3. PO3. Determines and defines a problem in electrical and electronics engineering, then models and solves it by applying the appropriate analytical or numerical methods.     X
4. PO4. Designs a system under realistic constraints using modern methods and tools.  X  
5. PO5. Designs and performs an experiment, analyzes and interprets the results.X    
6. PO6. Possesses the necessary qualifications to carry out interdisciplinary work either individually or as a team member.   X  
7. PO7. Accesses information, performs literature search, uses databases and other knowledge sources, follows developments in science and technology. X   
8. PO8. Performs project planning and time management, plans his/her career development.X    
9. PO9. Possesses an advanced level of expertise in computer hardware and software, is proficient in using information and communication technologies. X   
10. PO10. Is competent in oral or written communication; has advanced command of English.  X  
11. PO11. Has an awareness of his/her professional, ethical and social responsibilities.    X
12. PO12. Has an awareness of the universal impacts and social consequences of engineering solutions and applications; is well-informed about modern-day problems.   X 
13. PO13. Is innovative and inquisitive; has a high level of professional self-esteem.   X 

*1 Lowest, 2 Low, 3 Average, 4 High, 5 Highest

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