Course objectives:
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Acquaint students with the procedure of losses calculation of power semiconductor components of the power electronic converters and inform them of ways of semiconductor components cooling. Educate students calculations of semiconductor components heating and selection of type current. Acquaint students with the principles and methods of semiconductor devices protection against overcurrent. Acquaint students with the principles and methods of semiconductor devices protection against overvoltage. Acquaint students with the solution of converters design.
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Requirements on student
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Getting credit: Active participation in the exercises, Submitting the commissioned works, passing of the control tests.
Examination: Combined form.
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Content
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1. Implementation of power semiconductor devices.
2. Forward current losses.
3. Switching losses.
4. Methods of cooling. Alternate thermal schemes. Transient thermal impedance.
5. Proposal of current type of semiconductor components.
6. Parallel connection of semiconductors. Serial connection of semiconductors.
7. Current overload and the methods of protection of semiconductor devices against overcurrent.
8. Overvoltage sorts in converters circuits.
9. Procedure of the proposal a voltage type of semiconductor devices. Reducing the external overvoltage.
10. Reducing the intenal overvoltage.
11. Requirements for switching circuits of power semiconductor devices
12. Realization of drivers of power semiconductor devices (galvanic isolation, protection, etc.)
13. Cooperation of drivers with control system. Intelligent driver circuits of power semiconductor devices.
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Activities
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Fields of study
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Guarantors and lecturers
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Guarantors:
Ing. Jan Molnár, Ph.D. ,
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Lecturer:
Ing. Jiří Fořt, Ph.D. (23%),
Ing. Jan Molnár, Ph.D. (77%),
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Tutorial lecturer:
Ing. Jan Molnár, Ph.D. (15%),
Doc. Ing. David Pánek, Ph.D. (100%),
Ing. Luboš Streit, Ph.D. (85%),
Ing. Jan Štěpánek, Ph.D. (100%),
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Literature
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Time requirements
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All forms of study
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Activities
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Time requirements for activity [h]
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Contact hours
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26
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Practical training (number of hours)
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39
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Preparation for an examination (30-60)
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35
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Individual project (40)
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35
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Attendance on a field trip (number of real hours - maximum 8h/day)
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2
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Total
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137
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Prerequisites
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Knowledge - students are expected to possess the following knowledge before the course commences to finish it successfully: |
know the basics of power electronics |
know basics of electrical circuits |
know the basics of mathematics and mathematical analysis |
know the basics of classical physics |
Skills - students are expected to possess the following skills before the course commences to finish it successfully: |
apply knowledge of power electronics |
apply knowledge of electrical circuits |
able to use the tools of mathematical analysis |
Competences - students are expected to possess the following competences before the course commences to finish it successfully: |
N/A |
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Learning outcomes
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Knowledge - knowledge resulting from the course: |
to characterize types of power losses of semiconductor devices |
describe the methods cooling of power converters |
explain ways of generating overvoltages of power converters |
listing possibilitis surge suppression |
draw circuit solutions of transistor driver |
Skills - skills resulting from the course: |
calculate the power losses of power semiconductor devices |
choose and design appropriate cooling for power converters |
design suitable surge protection |
simulate the warming of the power semiconductor converter |
be familiar with the documentation used in the component |
Competences - competences resulting from the course: |
N/A |
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Assessment methods
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Knowledge - knowledge achieved by taking this course are verified by the following means: |
Oral exam |
Skills - skills achieved by taking this course are verified by the following means: |
Project |
Competences - competence achieved by taking this course are verified by the following means: |
Oral exam |
Project |
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Teaching methods
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Knowledge - the following training methods are used to achieve the required knowledge: |
Lecture |
Skills - the following training methods are used to achieve the required skills: |
Practicum |
Competences - the following training methods are used to achieve the required competences: |
Lecture |
Practicum |
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