Course Name Code Semester T+U Hours Credit ECTS
Electrical Machines I EEM 309 5 4 + 0 4 6
Precondition Courses EEM 205 Electrical Circuits I, EEM 206 Electrical Circuits II, EEM 203 Electromagnetic Field Theory
Recommended Optional Courses
Course Language Turkish
Course Level Bachelor's Degree
Course Type Compulsory
Course Coordinator Dr.Öğr.Üyesi MUSTAFA TURAN
Course Lecturers Dr.Öğr.Üyesi MUSTAFA TURAN,
Course Assistants RA: Barış Cevher
Course Category Field Proper Education
Course Objective The aim of the course is to provide students with a detailed knowledge of electromagnetics, electromagnetic energy conversion; construction, theory and steady state analysis of transformers and inducton machines.
Course Content Magnetic fundamentals, magnetic equivalent circuits, construction of transformers, equivalent circuit of transformers, 3 phase transformer connection groups, efficiency, auto-transformers, measurement transformers, energy conversion, rotating machine basics, construction of induction machines (IM), equivalent circuit of IM, operating of IM in steady state, industrial applications of IM.
# Course Learning Outcomes Teaching Methods Assessment Methods
1 Conduct analysis by using electromagnetic equivalent circuit (PO1) Lecture, Question-Answer, Discussion, Drilland Practice, Testing,
2 Calculate losses and efficiency (PO1) Lecture, Question-Answer, Discussion, Drilland Practice, Testing,
3 Explain the properties of magnetizing current for nonlinear iron core electromagnetic system (PO2) Lecture, Question-Answer, Discussion, Testing,
4 Analyze transformer under steady-state conditions. (PO2) Lecture, Question-Answer, Discussion, Drilland Practice, Testing,
5 Design a low power LV transformer (PO3-4-6-7-8) Lecture, Group Study, Project Based Learning, Project / Design,
6 Use energy conversion principles (PO1) Lecture, Question-Answer, Discussion, Drilland Practice, Testing,
7 Explain the rotating magnetic field (PO1) Lecture, Question-Answer, Discussion, Testing,
8 Analyze induction machine under steady-state conditions (PO2) Lecture, Question-Answer, Discussion, Drilland Practice, Testing,
9 Explain industrial applications of induction machines (PO1) Question-Answer, Discussion, Drilland Practice, Lecture, Testing,
Week Course Topics Preliminary Preparation
1 Introduction to electric machinery. Presentation of the course syllabus. Lab safety rules and guidelines. Fundamentals of electromagnetics. Electromagnetic circuits.
2 Properties of Ferromagnetic materials. Inductance. Iron losses. Magnetizing current for sinusoidal excitation. Energy conversion.
3 Transformer construction and equivalent circuit
4 Transformer efficiency, Regulations, Tap changers, Auto transformers. Measurement transformers.
5 Design principles of transformers.
6 3 Phase transformers. Vector groups, Various applications of transformers.
7 Energy conversion.
8 Rotating machine basics. Winding factor. Winding types: lap winding, concentric winding. Rotating magnetic field.
9 Examples / Midterm Exam
10 Induction machine construction and operating principle. External characteristics of IM. Slip and operating modes.
11 Equivalent circuit of IM. Obtaining of equivalent circuit parameters of IM experimentally.
12 Torque. Start-up torque. Breakdown torque and slip.
13 Start-up methods of IM. Speed control methods of IM. IM breaking.
14 Related standards with IMs. Motor selection.
Course Notes Please follow the course portfolio link given in documents section below.
Course Resources [1] Mergen, A. Faik; Zorlu, Sibel,´Elektrik Makineleri 1 - Transformatörler´, Birsen Yayınevi, 2005, İstanbul
[2] Mergen, A. Faik; Zorlu, Sibel,´Elektrik Makineleri 2 - Asenkeron Makineler´, Birsen Yayınevi, 2005, İstanbul
[3] Mergen, A. Faik; Gizlier, Ediz; Bağcı, Nilüfer, ´Elektrik Makineleri: Transformatörler ve Asenkron Makineler´de Çözümlü Problemler´, Birsen Yayınevi, 2005, İstanbul
[4] Sen, P.C., ´Principles of Electric Machines and Power Electronics´, 3rd Edition, Wiley, 2014.
[5] Fitzgerald, A. E., Kingsley, Jr. C., Umans, Jr. S., Umans, S, ´Electric Machinery´, 6th Edition, Mc Graw - Hill, 2003
Order Program Outcomes Level of Contribution
1 2 3 4 5
1 Adequate knowledge in mathematics, science and engineering subjects pertaining to the relevant discipline; ability to use theoretical and applied knowledge in these areas in complex engineering problems. X
2 Ability to identify formulate, and solve complex engineering problems; ability to select and apply proper analysis and modeling methods for this purpose. X
3 Ability to design a complex system, process, device or product under realistic constraints and conditions, in such a way as to meet the desired result; ability to apply modern design methods for this purpose. (Realistic constraints and conditions may include factors such as economic and environmental issues, sustainability, manufacturability, ethics, health, safety issues, and social and political issues, according to the nature of the design.) X
4 Ability to devise, select, and use modem techniques and tools needed for analyzing and solving complex problems encountered in engineering practice; ability to employ information technologies effectively.
5 Ability to design and conduct experiments, gather data analyze and interpret results for investigating complex engineering problems or discipline specific research questions.
6 Ability to work efficiently in intra-disciplinary and multi-disciplinary teams; ability to work individually. X
7 Ability to communicate effectively in Turkish, both orally and in writing; knowledge of a minimum of one foreign language; ability to write effective reports and comprehend written reports, prepare design and production reports, make effective presentations, and give and receive clear and intelligible instructions. X
8 Recognition of the need for lifelong learning; ability to access information, to follow developments in science and technology, and to continue to educate him/herself. X
9 Consciousness to behave according to ethical principles and professional and ethical responsibility; knowledge on standards used in engineering practice. X
10 Knowledge about business life practices such as project management, risk management, and change management; awareness in entrepreneurship, innovation; knowledge about sustainable development.
11 Knowledge about the global and social effects of engineering practice on health, environment, and safety, and contemporary issues of the century reflected into the field of engineering; awareness of the legal consequences of engineering solutions.
Evaluation System
Semester Studies Contribution Rate
1. Ara Sınav 60
1. Kısa Sınav 12
3. Kısa Sınav 15
2. Kısa Sınav 13
Total 100
1. Yıl İçinin Başarıya 60
1. Final 40
Total 100
ECTS - Workload Activity Quantity Time (Hours) Total Workload (Hours)
Course Duration (Including the exam week: 16x Total course hours) 16 4 64
Hours for off-the-classroom study (Pre-study, practice) 16 4 64
Mid-terms 1 5 5
Project / Design 1 8 8
Final examination 1 10 10
Total Workload 151
Total Workload / 25 (Hours) 6.04
dersAKTSKredisi 6