Academy of Technical and
Art Applied Studies Belgrade

Electric Machines and drives Course code: 117057 | 7 ECTS credits

Basic information
Level of Studies: Undergraduate applied studies
Year of Study: 2
Semester: 3
Requirements:
Goal: The goal of the course is to educate students about operating principles, design, theory and commissioning of electric machines and drives.
Outcome: After exam passed, students should be able to do erection, commissioning, testing, and maintenance of electric machines.Students will be able to understand, implement, tune and maintain contemporary electrical drives with DC, AC and synchronous motors.
Contents of the course
Theoretical instruction:
  1. Introduction lecture (organization and content of the course)
  2. Electrical drive components and applied general mechanical theory.
  3. Basic principle of operation of transformers
  4. Main and leakage flux
  5. Parallel connection
  6. Autotransformer
  7. Generator Step-up and other special transformers, Basic protection of transformers.
  8. Direct-current machines: application, basic structural components, operating principle.
  9. Direct-current machines: field and induct winding, basic equations, armature reaction and mitigation measures.
  10. DC-machines: commutation and measures for improvement, torque characteristics of the motor, speed control, universal motors.
  11. DC-machines: the state-of-the-art designs
  12. Induction machines: Introduction, stator and rotor windings, electromotive force.
  13. Induction machines: magnetomotive force, electromagnetic field, the application, basic structural components, operating principle, and basic types.
  14. Induction machine: equivalent circuit, active power balance, torque characteristics, stability of operation.
  15. Induction machine: starting the machine.
  16. Induction machine: regulation of the rotational speed, higher-order harmonics.
  17. Basic principle of operation of synchronous machine; Division according to types and construction; Winding construction.
Practical instruction (Problem solving sessions/Lab work/Practical training):
  1. Computational and laboratory exercises follow hours of lectures
Textbooks and References
  1. Varga, J., “Električne mašine I“, VTŠ, Subotica, 2002.
  2. Varga, J., “Električne mašine II“, VTŠ, Subotica, 2005.
  3. Đurović, M., Joksimović, G.,“Električne mašine“, Univerzitet Crne Gore, 1997.
  4. Đurović, M., “Specijalne električne mašine“, Univerzitet Crne Gore, 2000.
  5. Golubović, M., “Zadaci iz električnih mašina (skripta), Univerzitet Crne Gore, 1997.
  6. Đurović, M., “Transformatori“, Unireks, Podgorica, 1996.
  7. Ostojić, M., „Sinhrone mašine“, Unireks, Podgorica,1994.
  8. Vukosavić,S., “Električni pogoni“, predavanja, Elektrotehnički fakultet, Banja Luka, 2005.
  9. Erceg, G., “Inžinjerski priručnik IP3“, (20
  10. Gavrilović, B., “Električne mašine i pogoni“, Visoka železnička škola strukovnih studija, Beograd, 2019.
Number of active classes (weekly)
Lectures: 3
Practical classes: 3
Other types of classes: 0
Grading (maximum number of points: 100)
Pre-exam obligations
Points
activities during lectures
0
activities on practial excersises
0
seminary work
0
colloquium
0
Final exam
Points
Written exam
0
Oral exam
0