EE475 HIGH VOLTAGE TECHNIQUES I
| Course Code: | 5670475 |
| METU Credit (Theoretical-Laboratory hours/week): | 4 (3.00 - 2.00) |
| ECTS Credit: | 7.0 |
| Department: | Electrical and Electronics Engineering |
| Language of Instruction: | English |
| Level of Study: | Undergraduate |
| Course Coordinator: | Assist.Prof.Dr KEYVAN FİRUZİ |
| Offered Semester: | Fall Semesters. |
Course Objectives
Students will be able to:
1. Comprehend principles of breakdown in gases.
2. Comprehend principles of breakdown in liquids.
3. Comprehend principles of breakdown in solids.
4. Describe the application of insulation materials for the insulation of high voltage systems, and explain discharge detection in high voltage equipments
Course Content
Field analysis: experimental and numerical (finite difference, finite element and charge simulation) methods and applications. Electrical breakdown in gases: ionization processes. Townsend s breakdown criterion, Paschens Law, bread-down in electronegative gases, time lags. Streamer-Kanal mechanism, breakdown in non-uniform field and corona. Electrical break-down of liquids: breakdown mechanism of pure and commercial liquids. Electrical breakdown of solids: Intrinsic, electromechanical, thermal and erosion mechanism. Insulating materials: dielectric gases; insulating oils and solid dielectrics.
Course Learning Outcomes
Student, who passed the course satisfactorily will be able to:
- Identify basic concepts related to electrical breakdown of insulating gases, liquids and solids,
- Describe Townsend breakdown mechanism,
- Describe streamer (or kanal) mechanism of spark,
- Describe corona discharge,
- Describe the electrical breakdown of liquids under practical (industrial) conditions,
- Explain the electrical breakdown of liquids under laboratory conditions and breakdown theories,
- Identify dielectric tests of insulating liquids,
- Identify different breakdown mechanisms in solids,
- Explain the characteristics and application of dielectric gases, insulating liquids and solid dielectric material.
- Identify methods of discharge detection in high voltage equipment.
Program Outcomes Matrix
| Contribution | |||||
| # | Program Outcomes | No | Yes | ||
| 1 | An ability to identify, formulate, and solve complex engineering problems by applying principles of engineering, science, and mathematics | ✔ | |||
| 2 | An ability to apply engineering design to produce solutions that meet specified needs with consideration of public health, safety, and welfare, as well as global, cultural, social, environmental, and economic factors | ✔ | |||
| 3 | An ability to communicate effectively with a range of audiences | ✔ | |||
| 4 | An ability to recognize ethical and professional responsibilities in engineering situations and make informed judgments, which must consider the impact of engineering solutions in global, economic, environmental, and societal contexts. | ✔ | |||
| 5 | An ability to function effectively on a team whose members together provide leadership, create a collaborative and inclusive environment, establish goals, plan tasks, and meet objectives | ✔ | |||
| 6 | An ability to develop and conduct appropriate experimentation, analyze and interpret data, and use engineering judgment to draw conclusions | ✔ | |||
| 7 | An ability to acquire and apply new knowledge as needed, using appropriate learning strategies | ✔ | |||