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Protection of Electric Drives

COURSE: Protection of Electric Drives

Code: ФЕИТ06010

ECTS points: 6 ECTS

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

Lecturer: prof. Slobodan Mirčevski

Subject of the course content:

Introduction. Protection of disturbances caused by working machine. Types of working machines and their characteristics. Protection of overload. Bimetal relays. Thermal relays. Protection of heavy overloads with short duration. Fuses. Over current relays. Protection of disturbances caused by network. Voltage relays. Connection of high power motors according to network. Choice and adjusting of protection according to duty rating. Protection of disturbances caused by power converters application. Power converters for DC drives. Power converters for AC drives. Protection of disturbances caused by environment. “S” protection of electric drives. Protection types: classical electromechanical relays, modular electronics, microprocessor based.

Literature:

  1. M. Djuric, Relejna zastita, Naucna knjiga, Beograd, 1991.
  2. S. H. Horowitz (Edited by), Protective Relaying for Power Systems II, IEEE Press, 1992.
  3. С. Мирчевски, Управување на електромоторни погони (предавања), ФЕИТ, 2008.
  4. H. Rentzsch, Electric Motors, ABB, 1992.
  5. B. Drury, The Control Techniques Drives and Control Handbook, Control Techniques, IEE, 2001.
  6. B. Vidmar, Relejni i signalni sklopovi, Skolska knjiga, Zagreb, 1985.