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Lecturer(s)
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Lettl Jiří, prof. Ing. CSc.
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Course content
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Description of the course: History of power electronics, principal terms and definitions, classification of power semiconductor converters, power electronics devices, static characteristics, dynamic properties, construction implementation and cooling, one-phase one-pulse rectifier with various types of load, by-pass diode, commutation, rectifiers in point connection, rectifiers in bridge connection, waveforms, control and load characteristics, control pulses generators, reversible rectifiers, converter circuit currents, control methods, serial and parallel linkage of power electronics devices, voltage and current dimensioning, principles of electromagnetic compatibility, backward effects of power semiconductor converters on supply mains, reactive power compensation and higher harmonics filtration, AC converters with various types of load, control characteristics, DC converters with various types of load, current ripple, uninterrupted and interrupted current, polyphase pulse converters, two quadrant DC converters, voltage inverters, current inverters, ensuring of self-commutation, control methods, resonance inverters, serial type of the inverter, parallel type of the inverter, frequency converters, voltage and current indirect frequency converters, cycloconverters, matrix converters, circuit diagrams, working principles, properties.
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Learning activities and teaching methods
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unspecified, Monologic (reading, lecture, briefing)
- Participation in classes
- 52 hours per semester
- Preparation for an exam
- 68 hours per semester
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Learning outcomes
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The aim of the course is to elucidate problems of electric machines functional principles, constructional implementation, basic equations, DC motor and dynamo separately excited, shunt excited, serious excited, compound excited characteristics, one-phase and three-phase transformer principles, types, and operating modes, asynchronous and synchronous machines signification, using, operating modes, substitution diagrams, phasor diagrams, torque characteristics, methods of start, speed control, braking.
After the course completion the students are able to implement power semiconductor devices, to perform their voltage and current dimensioning, to handle various types of power semiconductor converters such as point-to-point or bridge rectifiers, AC/AC converters, DC/DC converters, voltage source inverters, current source inverters, resonance inverters, indirect and direct frequency converters, matrix converters. They can apply proper control methods, use knowledge of power converters application in engineering practice.
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Prerequisites
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It is assumed that the student has already got basic knowledge from the field of electrical engineering and electronics.
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Assessment methods and criteria
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Oral examination
Knowledge of mathematical analysis and circuit theory.
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Recommended literature
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Andrej M. Trzynadlowski. Introduction to Modern Power Electronics. New York: John Willey & Sons, 1998.
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Bose, B. K. Modern Power Electronics : Evolution, Technology, and Applications. New York: IEEE PRESS, 1992.
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Ned Mohan, William P. Robbins, Tore M. Undeland. Power Electronics : Converters, Applications, and Design.. New York: John Willey & Sons, 2003.
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