| Course Title | Code | Semester | L+U Hour | Credits | ECTS |
|---|---|---|---|---|---|
| Electrical Machines I | EEM365 | 5. Semester | 3 + 0 | 3.0 | 4.0 |
| Prerequisites | None |
| Language of Instruction | Turkish |
| Course Level | Undergraduate |
| Course Type | |
| Mode of delivery | Oral presentation, Laboratory experiments |
| Course Coordinator |
Prof. Dr. Emin YILDIRIZ Assoc. Prof. Dr. Mustafa DURSUN Prof. Dr. Emre ÇELİK |
| Instructor(s) |
Emre ÇELİK |
| Assistants | |
| Goals | Learning the structures and working principles of Direct Current Machines and Transformers |
| Course Content | General Principles and Definitions Related to Energy Conversion / Structure of Direct Current Machines, voltage and torque generation / Excitation of DC Machines / Electrical equivalent circuit models and characteristics of DC generator types / Electrical equivalent circuit models and characteristics of DC motor types / Starting of DC motors, speed control and braking/ Examination of General Structures, Types and Working Principles of Transformers / Equivalent Circuits of Single Phase Transformers and Drawing of Phasor Diagrams / no-load and short-circuit operation of Single Phase Transformers/ Parallel Operation of two Transformers and Autotransformers/ Three Phase Transformers/ Current and voltage transformers |
| Learning Outcomes |
- Ability to create and analyze magnetic circuits - Recognize the structure of Direct Current machines and know their working principle. - Know the loading characteristics of direct current generators. - Knows the loading characteristics of direct current motors. - Performs efficiency, voltage regulation and power analysis using the equivalent circuit of single-phase transformers. - Knows the 3 phase transformer connections. |
| Week | Topics | Learning Methods |
|---|---|---|
| 1. Week | General Principles and Definitions Regarding Energy Conversion | |
| 1. Week | General Principles and Definitions Regarding Energy Conversion | |
| 2. Week | Overview and structure of DC machines | |
| 2. Week | Overview and structure of DC machines | |
| 3. Week | Operation of DC generators, Commutation and Armature Reaction | |
| 3. Week | Operation of DC generators, Commutation and Armature Reaction | |
| 4. Week | Electrical equivalent circuit models and characteristics of DC generators | |
| 4. Week | Electrical equivalent circuit models and characteristics of DC generators | |
| 5. Week | Electrical equivalent circuit models and characteristics of DC generators | |
| 5. Week | Electrical equivalent circuit models and characteristics of DC generators | |
| 6. Week | Electrical equivalent circuit models and characteristics of DC motors | |
| 6. Week | Electrical equivalent circuit models and characteristics of DC motors | |
| 7. Week | Starting, speed control and braking of DC motors | |
| 7. Week | Starting, speed control and braking of DC motors | |
| 8. Week | Starting, speed control and braking of DC motors | |
| 8. Week | Starting, speed control and braking of DC motors | |
| 9. Week | Investigation of General Structures, Types and Working Principles of Transformers | |
| 9. Week | Investigation of General Structures, Types and Working Principles of Transformers | |
| 10. Week | Drawing Equivalent Circuits of Single Phase Transformers and Phasor Diagrams | |
| 10. Week | Drawing Equivalent Circuits of Single Phase Transformers and Phasor Diagrams | |
| 11. Week | Operation of Single Phase Transformers at no-load, short-circuit and full-load, voltage regulation | |
| 11. Week | Operation of Single Phase Transformers at no-load, short-circuit and full-load, voltage regulation | |
| 12. Week | Parallel Operation of Single Phase Transformers and Autotransformers | |
| 12. Week | Parallel Operation of Single Phase Transformers and Autotransformers | |
| 13. Week | Three-phase Transformers/ Current and Voltage transformers | |
| 13. Week | Three-phase Transformers/ Current and Voltage transformers | |
| 14. Week | General subject review, Midterm-2 | |
| 14. Week | General subject review, Midterm-2 |
| Electric Machinery Fundamentals (Author: S. J. Chapman) |
| Electrical Machines -1 (Author: Prof. Dr. Güngör BAL) |
| Program Requirements | Contribution Level | DK1 | DK2 | DK3 | DK4 | DK5 | DK6 | Measurement Method |
|---|---|---|---|---|---|---|---|---|
| PY1 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 40,60 |
| PY2 | 4 | 4 | 3 | 4 | 3 | 4 | 3 | 40,60 |
| PY3 | 4 | 5 | 5 | 5 | 3 | 4 | 2 | 40,60 |
| PY4 | 3 | 2 | 2 | 4 | 3 | 5 | 4 | 40,60 |
| PY5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 40,60 |
| PY6 | 4 | 4 | 4 | 5 | 5 | 5 | 4 | 40,60 |
| PY7 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 40,60 |
| PY8 | 4 | 5 | 4 | 5 | 4 | 3 | 2 | 40,60 |
| PY9 | 4 | 4 | 5 | 2 | 2 | 5 | 5 | 40,60 |
| PY10 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 40,60 |
| PY11 | 4 | 5 | 5 | 4 | 4 | 5 | 4 | 40,60 |
| 0 | 1 | 2 | 3 | 4 | 5 | |
|---|---|---|---|---|---|---|
| Course's Level of contribution | None | Very Low | Low | Fair | High | Very High |
| Method of assessment/evaluation | Written exam | Oral Exams | Assignment/Project | Laboratory work | Presentation/Seminar |
| Event | Quantity | Duration (Hour) | Total Workload (Hour) |
|---|---|---|---|
| Course Hours | 14 | 3 | 42 |
| Preparation, After Class Study | 14 | 1 | 14 |
| Midterm 1 | 1 | 2 | 2 |
| Midterm 2 | 1 | 2 | 2 |
| Final | 1 | 2 | 2 |
| Practice | 7 | 2 | 14 |
| Classroom Activities | 13 | 2 | 26 |
| Total Workload | 102 | ||
| ECTS Credit of the Course | 4.0 | ||
