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Dynamics of Electric Drives

COURSE: Dynamics of Electric Drives

Code: ФЕИТ06002

ECTS points: 6 ECTS

Number of classes per week: 3+0+0+3

Lecturer: prof. Slobodan Mirčevski

Subject of the course content:

Introduction. Reducing of mechanical values. The influence of variable moment of inertia. Time constants. Static stability. Types of load. Dynamic states and similarity law. More motors drive. Electrical axis. Starters. Dynamic states in DC drives. Forcing of dynamic states in DC drives. Power losses in dynamic states in DC drives and ways to reduce them. Dynamic states in AC drives with induction motors (IM). Heavy drives with IM. Self starting of  IM drive. Power losses in IM AC drives and ways to reduce them. Dynamic states in AC drives with synchronies motors (SM). Dynamic stability. Electric drive as object of digital control. Structure of electric drive digital control system. Process of sampling and holding. Interconnection between time constants and sampling time. Compensation of quantization disturbances. Estimation of dynamic states and accuracy analyses in digital electric drives.


  1. B. Jurkovic, Elektromotorni pogoni, Skolska knjiga, Zagreb, 1987.
  2. Т. Јакимов, Електромоторни погони, МЕДИС-Информатика, Скопје, 1994.
  3. M. Jadric, B. Francic, Dinamika elektricnih strojeva, Graphis, Zagreb, 2004.
  4. I. Boldea, S. A. Nasar, Electric Drives, CRC Press, 2005.
  5. P. C. Krause, O. Wasynczuk, S. D. Sudhoff, Analysis of Electric Machinery, IEEE Press, 1995.
  6. Chee-Mun Ong, Dynamic Simulation of Electric Machinery Using Matlab/Simulink, Prentice Hall PTR, 1998.