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Lecturer(s)
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Stohnii Kyrylo
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Pihera Josef, Doc. Ing. Ph.D.
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Vik Robert, Ing. Ph.D.
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Hornak Jaroslav, Ing. Ph.D.
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Trnka Pavel, Prof. Ing. Ph.D., MBA
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Course content
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1. Introduction, diagnostics system, types of diagnostics, 2. Off-line Diagnostic Methods - Part 1 (Rotating Machines, Transformers, Cables) 3. Online Diagnostic Methods - Part 1 (Rotating Machines, Transformers, Cables) 4. Sensors of electrical and non-electrical magnitudes and their application for diagnostics in electrical engineering 5. Industrial data collection in online diagnostics of electrical machines and equipment 6. Use of remote and automatic data transmission for diagnostics of electrical machines and equipment in high voltage electrical engineering 7. Asset management of electrical machines and equipment 8. Different strategies for determining residual lifetime 9. Degradation factor tests, aging models 10. Degradation of materials due to operating conditions - influence of various operating factors to the change of chemical, mechanical and electrical properties of the materials 11. Special diagnostic procedures and methods in HVDC applications 12. Application examples 13. Application examples Exercises: 1. Theory of partial discharge at AC - basic types of discharges 1 (corona, internal, gliding) 2. Practicals of partial discharge at AC - basic types of discharges 2 (corona, internal, gliding) 3. Partial discharge theory at DC - basic types of discharges 1 (corona, internal, gliding) 4. Practicals of partial discharge at DC - basic types of shocks 2 (corona, internal, gliding) 5. Practice - technological influences in the production of solid electrical insulation - loss of voltage dependence 6. Practice - technological influences in the production of solid electrical insulation - Internal resistance, surface resistance 7. Practice - technological influences in the production of solid electrical insulation - partial discharges 8. Practice-technological influences in the production of solid electrical insulation - electrical strength 9. Practice - Diagnostics of cables 1 (different types of cables, cable terminals, cable joints) 10. Practice - special sensors for partial discharge diagnostics 11. Presentation of results and papers 12. Presentation of results and papers 13. Credit exam
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Learning activities and teaching methods
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Laboratory work, Lecture
- Graduate study programme term essay (40-50)
- 40 hours per semester
- Preparation for laboratory testing; outcome analysis (1-8)
- 2 hours per semester
- Practical training (number of hours)
- 26 hours per semester
- Contact hours
- 26 hours per semester
- Preparation for an examination (30-60)
- 40 hours per semester
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| prerequisite |
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| Knowledge |
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| explain the principle of basic electrical machines and devices |
| understand the basic requirements for the diagnostics of electrical machines |
| Skills |
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| to apply principles of measuring techniques |
| explain the basic measured values |
| design and complete a basic test circuit for diagnostics |
| learning outcomes |
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| Knowledge |
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| explain the principle and importance of the diagnostic approach |
| to justify a diagnostic strategy for different electrical machines and equipment |
| to design appropriate diagnostic sensors for a particular type of machine |
| explain the degradation processes of the machine |
| apply aging models for the given application |
| explain degradation of materials due to operating conditions |
| explain the asset management strategy of electrical machines and drvices |
| Skills |
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| apply appropriate methods for obtaining the necessary diagnostic information |
| to verify technological and degradation effects on the state of the machine |
| to determine residual life time based on the application of aging model |
| Competences |
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| N/A |
| teaching methods |
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| Knowledge |
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| Lecture |
| Interactive lecture |
| Skills |
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| Seminar |
| Practicum |
| Laboratory work |
| Competences |
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| Individual study |
| assessment methods |
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| Knowledge |
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| Combined exam |
| Skills |
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| Individual presentation at a seminar |
| Skills demonstration during practicum |
| Competences |
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| Individual presentation at a seminar |
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Recommended literature
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Ekanayake, J. a kol. Smart Grid, Techmology and application.
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Hauschild, W. High-Voltage Test and Measuring Techniques.
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Heathcote, M. Transformer Book.
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James R.E., Su, Q. Condition Assessment of High Voltage Insulation iv Power System Equipement.
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Kerszenbaum, I. Inspection of Large Synchronous Machines.
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König, D., Rao, Y.N. Partial discharges in electrical power apparatus.
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Küchler, A. High-Voltage Test and Measuring Techniques.
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Mentlík, V. Diagnostika elektrických zařízení,.
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Pyrhöhen, J. a kol. Design of Rotating Electrical Machines.
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Stone, G.C. Electrical insulation for rotating machines.
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