Course: Windings of Electric Machines

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Course title Windings of Electric Machines
Course code KEV/VELS
Organizational form of instruction Lecture + Tutorial
Level of course Master
Year of study not specified
Semester Winter
Number of ECTS credits 4
Language of instruction Czech, English
Status of course Compulsory
Form of instruction Face-to-face
Work placements This is not an internship
Recommended optional programme components None
Lecturer(s)
  • Hruška Karel, Doc. Ing. Ph.D.
  • Laksar Jan, Ing. Ph.D.
Course content
1 The introduction into systematics of rotary electric machine windings. 2 DC windings: winding pitches, saw schema, star of slots, voltage polygon, constructional solution. 3 One- and multiple-layered DC windings. 4 Equipotential connections of 1st and 2nd grade, trms of usability. 5 Equalizing windings. 6 AC windings: design by cutting DC windings, Tingley's schema, winding factors, Görges' polygon, differential leakage flux coefficient. 7 Magnetomotive force time and space dependency. 8 AC windings with integer amount of slots per pole and phase. 9 AC windings with fractional amount of slots per pole and phase. 10 Single-layer AC windings. 11 Tooth windings. 12 Transformer windings connections. 13 Closing exam.

Learning activities and teaching methods
Laboratory work, Lecture
  • Contact hours - 52 hours per semester
  • Preparation for comprehensive test (10-40) - 50 hours per semester
prerequisite
Knowledge
to describe Lenz's, Faraday's and Hopkinson's laws
to describe the principle of multiphase power supply
to describe the principle of Fourier series
Skills
to apply vector sums
to analyze phasor diagrams
to compare geometrical and vector sums
to calculate the total harmonic distortion
Competences
N/A
N/A
learning outcomes
Knowledge
to describe the principle of the design of the winding
to properly apply the relations necessary for accomplishing the calculation
Skills
to design and to analyze DC machine armature winding
to design equipotential connections of 1st and 2nd degree
to design and to analyze AC machine armature winding
to perform an analysis of magnetomotive force of AC machines winding
to design a transformer winding connection for requested phase angle
Competences
mgr. studium: independently solves technical problems
teaching methods
Knowledge
Interactive lecture
Lecture with visual aids
Practicum
Skills
Multimedia supported teaching
Task-based study method
Competences
Multimedia supported teaching
Task-based study method
assessment methods
Knowledge
Test
Skills
Test
Competences
Test
Recommended literature
  • Bašta, Jan; Chládek, Jaroslav; Mayer, Imrich. Teorie elektrických strojů. 1. vyd. Praha : SNTL, 1968.
  • Bianchi, N. Electrical machine analysis using finite elements. CRC Press, 2017. ISBN 978-142005787-4.
  • 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.
  • Boldea, I. Synchronous generators, second edition. CRC Press, 2015. ISBN 978-149872355-8.
  • Cigánek, Ladislav. Stavba elektrických strojů. 1. vyd. Praha : SNTL, 1958.
  • Hanselman, Duane. Brushless permanent magnet motor design. 2nd ed. Cranston : The Writers' Collective, 2003. ISBN 1-932133-63-1.
  • Hendershot, J. R.; Miller, T. J. E. Design of brushless permanent-magnet motors. Hillsboro : Magna Physics Publishing, 1994. ISBN 978-1-881855-03-3.
  • Kučera, J.; Hapl, J. Vinutí elektrických strojů točivých. Praha : Nakladatelství ČSAV, 1959. ISBN 621.313.045.
  • Marius Rosu, et. al. Multiphysics Simulation by Design for Electrical Machines, Power Electronics and Drives. Piscataway, USA, 2018. ISBN 978-1-119-10344-8.
  • Mukerji, S.K., Khan, A.S., Singh, Y.P. Electromagnetics for electrical machines. CRC Press, 2015. ISBN 978-149870915-6.
  • Müller, Germar; Vogt, Karl; Ponick, Bernd. Berechnung elektrischer Maschinen. 6., völlig neu bearb. Aufl. Weinheim : Wiley-VCH, 2008. ISBN 978-3-527-40525-1.


Study plans that include the course
Faculty Study plan (Version) Category of Branch/Specialization Recommended year of study Recommended semester