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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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Monologic (reading, lecture, briefing)
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Learning outcomes
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The course deals with power electronics devices, 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, classification of power semiconductor converters, rectifiers in point to point connection and in bridge connection, DC converters and AC converters with various types of load, voltage inverters, current inverters, resonance inverters, frequency converters, voltage and current indirect frequency converters, cycloconverters, matrix converters - always with emphasis on circuit diagrams, working principles, and control characteristics.
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. John Willey & Sons, New York, 1998.
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Bose, B. K. Modern Power Electronics : Evolution, Technology, and Applications. IEEE PRESS, New York, 1992.
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Ned Mohan, William P. Robbins, Tore M. Undeland. Power Electronics : Converters, Applications, and Design.. John Willey & Sons, New York, 2003.
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