Academy of Technical and
Art Applied Studies Belgrade

Electric Motors Course code: 120207 | 6 ECTS credits

Basic information
Level of Studies:
Year of Study: 2
Semester: 4
Requirements: None
Goal: The goal of the course is to educate students about operating principles, design, theory and commissioning of electric motors.
Outcome: After exam passed, students should be able to do erection, commissioning, testing, and maintenance of electric motors.
Contents of the course
Theoretical instruction:
  1. Introduction lecture (organization and content of the course). Basic terms.
  2. Basics of electromechanical conversion. Losses and power efficiency.
  3. Induction machines: Introduction, stator and rotor windings, electromotive force.
  4. Induction machines: magnetomotive force, electromagnetic field, the application, basic structural components, operating principle, and basic types.
  5. Induction machine: equivalent circuit, active power balance, torque characteristics, stability of operation.
  6. Induction machine: starting the machine.
  7. Induction machine: regulation of the rotational speed, higher-order harmonics.
  8. Induction machine: rotating transformers, single-phase asynchronous motors.
  9. Induction machine: the state-of-the-art designs.
  10. Commissioning of induction machines.
  11. Synchronous motors.
  12. Direct-current machines: application, basic structural components, operating principle.
  13. Direct-current machines: field and induct winding, basic equations, armature reaction and mitigation measures.
  14. DC-machines: commutation and measures for improvement, torque characteristics of the motor, speed control, universal motors.
  15. DC-machines: the state-of-the-art designs. Commissioning of DC machines.
Practical instruction (Problem solving sessions/Lab work/Practical training):
  1. Computational and laboratory exercises follow hours of lectures.
Textbooks and References
  1. Đukan R. Vukić, Električni motori, Visoka škola elektrotehnike i računarstva strukovnih studija, Beograd, 2011.
  2. Đukan R. Vukić, Električni motori - zadaci i pitanja, Visoka škola elektrotehnike i računarstva strukovnih studija, Beograd, 2009.
  3. Uputstvo za laboratorijske vežbe.
Number of active classes (weekly)
Lectures: 3
Practical classes: 2
Other types of classes: 0
Grading (maximum number of points: 100)
Pre-exam obligations
Points
activities during lectures
10
activities on practial excersises
0
seminary work
0
colloquium
60
Final exam
Points
Written exam
30
Oral exam
0