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13E012GEMA - Electrical Machines

Course specification
Course title Electrical Machines
Acronym 13E012GEMA
Study programme Electrical Engineering and Computing
Module Power Engineering
Type of study bachelor academic studies
Lecturer (for classes)
Lecturer/Associate (for practice)
Lecturer/Associate (for OTC)
ESPB 5.0 Status mandatory
Condition Fundamentals from the 1st year of studies
The goal Basics of electromechanical conversion. Understanding the principles of operation, construction and use of electrical machines (EM). Analysis and dynamic model EM. Electromagnetic field in the air gap and determination the torque. Analysis of stationary states, equivalent circuits, exploitation characteristics. Specification and use of EM. Supply and control EM.
The outcome Introduction to the principles of operation of electric machines, understanding the basic aspects of the construction of DC and AC machines, knowledge of equivalent schemes for stationary states, knowledge of basic mechanical characteristics machines. Understanding power flows in motor and generator operation. Acquiring knowledge needed for modeling, specification, supply and control.
Contents
Contents of lectures Basic concepts of electromechanical conversion, nonlinear medium, the expressions for energy, coenergy, torque and power conversion. Quasi sinusoidally distributed winding. Flux, electromotive and magnetomotive force. Modeling DC and AC machines. Two-phase equivalent, Park transformation. Equation of voltage balance, stationary state, equivalent schemes and mechanical characteristics.
Contents of exercises Construction and operation of asynchronous, synchronous and dc machines. Conventions in designation and nominal rated. Mechanical commutation for DC machines. AC machines and electronic commutation. Operation of asynchronous motor supplied by a source of variable frequency and voltage. Select asynchronous machines for the given application. Synchronous motors with permanent magnets.
Literature
  1. Slobodan N. Vukosavić, „Electrical Machines“, Springer, New York 10013, USA, 2013., ISBN 978 1-4614-0399-9, Library of Congres 2012944981, 649 pages. (Original title)
  2. S. N. Vukosavić, Električne mašine, Beograd, Srbija: Akademska misao, 2012, Univerzitet u Beogradu. (Original title)
  3. http://masine.etf.rs/knjigaen.pdf
Number of hours per week during the semester/trimester/year
Lectures Exercises OTC Study and Research Other classes
3 1 1
Methods of teaching 45 hours of lectures, 15 hours of auditory exercises, 15 hours of demonstration laboratory exercises. Working with students 1: 1 during 4 hours of consultations every week.
Knowledge score (maximum points 100)
Pre obligations Points Final exam Points
Activites during lectures 10 Test paper 25
Practical lessons 10 Oral examination 30
Projects 0
Colloquia 25
Seminars 0