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Lecturer(s)
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Štěpánek Jan, Ing. Ph.D.
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Molnár Jan, Ing. Ph.D.
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Course content
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1. Design of PSC (power semiconductor components). 2. Types of losses. Through current losses. 3. Switching losses. 4. PSC cooling methods, alternate thermal schemes, transient thermal impedance. 5. Selection of PSC type current. 6. Parallel switching PSC, serial switching PSC. 7. Current overload capability of PSC. Ways of protection against overcurrent. 8. Types of overvoltage in converter circuits. 9. Procedure for choosing the PSC voltage class, limiting external overvoltages of converters. 10. Limitation of internal overvoltages of converters. 11. Requirements for switching circuits of individual PSC types. 12. Realization of PSC excitation circuits (galvanic separation, evaluation of protections, etc.) 13. Cooperation of the switching circuit with the control circuit of the inverter. Intelligent PSC driver circuits.
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Learning activities and teaching methods
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Laboratory work, Lecture
- Preparation for an examination (30-60)
- 30 hours per semester
- Graduate study programme term essay (40-50)
- 20 hours per semester
- Contact hours
- 26 hours per semester
- Practical training (number of hours)
- 26 hours per semester
- Preparation for laboratory testing; outcome analysis (1-8)
- 4 hours per semester
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| prerequisite |
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| Knowledge |
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| describe an electrical circuit |
| describe the operation and properties of basic electronic components |
| evaluate the influence of the circuit's electrical components on its function |
| knowledge of the function of basic types of power semiconductor converters |
| knowledge of mathematical analysis 1. and 2. |
| basic knowledge of measuring electrical quantities and non-electrical quantities |
| Skills |
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| prepare a laboratory workplace and perform an experiment in power electronics |
| draw a diagram of the inverter according to the specification, knowing the schematic marks |
| be able to look up and understand the technical specification of electronic components |
| the skill of soldering electronic components |
| Use of measuring instruments multimeter, oscilloscope |
| Competences |
|---|
| N/A |
| N/A |
| N/A |
| learning outcomes |
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| Knowledge |
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| describe in detail the thermal diagram and semiconductor power converters |
| determine the thermal losses of the power converter according to the specification and choose a cooling system |
| select the type current and voltage class of the power semiconductor components as specified |
| explain in detail the function of drive circuits of power semiconductor components |
| Skills |
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| design a thermal model, a converter model including control algorithms and perform a simulation |
| derive relations for analytical calculations of heat loss of the inverter according to the specification and choose a suitable cooler |
| evaluate properly obtained experimental or simulation results and process the data into a technical report |
| searching for information in the technical documentation |
| work with computational SW tools used for heat loss calculation and cooling design |
| Competences |
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| N/A |
| N/A |
| N/A |
| teaching methods |
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| Knowledge |
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| Lecture |
| Interactive lecture |
| Self-study of literature |
| Individual study |
| Laboratory work |
| Skills demonstration |
| Skills |
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| Practicum |
| Laboratory work |
| Skills demonstration |
| Seminar classes |
| Field trip |
| Individual study |
| Self-study of literature |
| Competences |
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| Practicum |
| Individual study |
| One-to-One tutorial |
| Lecture |
| assessment methods |
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| Knowledge |
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| Oral exam |
| Seminar work |
| Skills demonstration during practicum |
| Skills |
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| Seminar work |
| Skills demonstration during practicum |
| Competences |
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| Seminar work |
| Oral exam |
| Skills demonstration during practicum |
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Recommended literature
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Bin Wu. High-power converters and AC drives. Hoboken, 2006. ISBN 978-0-471-73171-9.
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Kumar, L. Ashok. Power Converters for Electric Vehicles. Velká Británie, 2020. ISBN 9780367626853.
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Vondrášek František. Projektování výkonových polovodičových měničů : vybrané stati. Plzeň, 2008. ISBN 978-80-7043-653-0.
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Vondrášek František. Výkonová elektronika. Svazek 3, Měniče s vlastní komutací a bez komutace. Část 2, Měniče kmitočtu a střídavého napětí. Plzeň, 2017. ISBN 978-80-261-0688-3.
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