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Lecturer(s)
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Křen Vladimír, doc. Ing. Ph.D.
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Course content
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1 Winding leakage inductance, calculation of transformer short-circuit voltage. 2 Transformer short-circuit state, transfomer division plane. 3 Winding factors and their impact on higher order harmonic components. 4 Time and space harmonic components induction machine, asynchronous and synchronous parasitic moments. 5 Induction machine circle diagram as circular inversion of impedance line. 6 Synchronous machines excitation field. 7 Design of excitation for electrically excited synchronous machines, Potier reactance. 8 Design of excitation of permanent magnet synchronous machines, permanent magnets leakage. 9 Permanent magnet losses and their determination. 10 Synchronous machine circle diagram considering armature resistance. 11 Permanent magnet synchronous machines load characteristics, optimal duty. 12 Brushless direct current machines - duty and design specifics. 13 Synchronous reluctance machines - construction solutions, load characteristics, optimal duty.
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Learning activities and teaching methods
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Laboratory work, Lecture
- Contact hours
- 65 hours per semester
- Preparation for laboratory testing; outcome analysis (1-8)
- 8 hours per semester
- Graduate study programme term essay (40-50)
- 20 hours per semester
- Attendance on a field trip (number of real hours - maximum 8h/day)
- 6 hours per semester
- Preparation for an examination (30-60)
- 30 hours per semester
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| prerequisite |
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| Knowledge |
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| to describe functional principles of electric machines |
| to describe Lenz's, Faraday's and Hopkinson's laws |
| Skills |
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| to solve non-linear magnetic circuits |
| to analyze magnetic field problems |
| to apply basic mathematical operations and electrotechnical relations |
| Competences |
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| N/A |
| learning outcomes |
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| Knowledge |
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| to describe components of magnetic fields in electric machines |
| to determine the excitation principle of certain electric machine |
| to determine approximate properties of certain machine type according to its topology |
| to describe load characteristics of electric machine types without neglecting certain parameters |
| to describe optimal conditions of electric machine duty |
| Skills |
|---|
| to solve even deep theoretical analyses of electrical machines |
| to solve the analysis of magnetic fields in electric machines |
| to calculate machine characteristics with given parameters |
| to adapt the machine design to optimal duty |
| to accomplish special measurements |
| Competences |
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| mgr. studium:independently solves technical problems |
| teaching methods |
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| Knowledge |
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| Lecture with visual aids |
| Interactive lecture |
| Multimedia supported teaching |
| Practicum |
| Laboratory work |
| Field trip |
| Skills |
|---|
| Lecture with visual aids |
| Interactive lecture |
| Multimedia supported teaching |
| Practicum |
| Laboratory work |
| Field trip |
| Competences |
|---|
| Lecture with visual aids |
| Interactive lecture |
| Multimedia supported teaching |
| Practicum |
| Laboratory work |
| Field trip |
| assessment methods |
|---|
| Knowledge |
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| Combined exam |
| Skills demonstration during practicum |
| Individual presentation at a seminar |
| Skills |
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| Combined exam |
| Skills demonstration during practicum |
| Individual presentation at a seminar |
| Competences |
|---|
| Combined exam |
| Skills demonstration during practicum |
| Individual presentation at a seminar |
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Recommended literature
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Bartoš, Václav. Elektrické stroje I,II. 1. vyd. Plzeň : VŠSE, 1986.
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Bartoš, Václav. Teorie elektrických strojů. 1. vyd. Plzeň : Západočeská univerzita, 2006. ISBN 80-7043-509-7.
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Bašta, Jan; Chládek, Jaroslav; Mayer, Imrich. Teorie elektrických strojů. 1. vyd. Praha : SNTL, 1968.
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Bianchi, N. Electrical machine analysis using finite elements. CRC Press, 2017. ISBN 978-142005787-4.
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Boguslawsky, I., Korovkin, N., Hayakawa, M. Large A.C. Machines: Theory and investigation methods of currents and losses in stator and rotor meshes including operation with nonlinear loads. Springer Japan, 2016. ISBN 978-443156475-1.
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Boldea, I. Reluctance synchronous machines and drives. Oxford : Clarendon Press, 1996. ISBN 0-19-859391-0.
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Boldea, I. Synchronous generators, second edition. CRC Press, 2015. ISBN 978-149872355-8.
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Hanselman, Duane. Brushless permanent magnet motor design. 2nd ed. Cranston : The Writers' Collective, 2003. ISBN 1-932133-63-1.
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Hendershot, J. R.; Miller, T. J. E. Design of brushless permanent-magnet motors. Hillsboro : Magna Physics Publishing, 1994. ISBN 978-1-881855-03-3.
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Hrabovcová, Valéria. Moderné elektrické stroje. 1. vyd. Žilina : Žilinská univerzita, 2001. ISBN 80-7100-809-5.
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Krishnan, R. Switched reluctance motor drives: Modeling, simulation, analysis, design, and applications. CRC Press, 2017. ISBN 978-142004164-4.
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Marius Rosu, et. al. Multiphysics Simulation by Design for Electrical Machines, Power Electronics and Drives. Piscataway, USA, 2018. ISBN 978-1-119-10344-8.
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Mukerji, S.K., Khan, A.S., Singh, Y.P. Electromagnetics for electrical machines. CRC Press, 2015. ISBN 978-149870915-6.
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Petrov, G. Elektrické stroje 1, 2. Akademia Praha, 1980.
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Štěpina, Jaroslav. Prostorové fázory jako základ teorie elektrických strojů. 1. vyd. Plzeň : ZČU, 1993. ISBN 80-7082-089-6.
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