Fundamentals of Electric Machine Control

Learning Outcomes

  1. distinguish the types of electrical machines and their basic characteristics
  2. describe control structure for DC machine
  3. explain the basic principle of DC/DC converter
  4. explain the basics of DC motor speed control
  5. apply standard techniques for tuning current and speed controllers of DC motor
  6. describe V/f control structure for induction machine
  7. explain the basic principle of AC/DC/AC converter
  8. use industrial frequency converter for speed control of induction motor
  9. solve specific tasks regarding control of induction drive by adapting industrial frequency converter to address particular application

Forms of Teaching

Lectures

One hour lecture is held each week.

Exercises

One hour exercise is held each week.

Laboratory

Each student conducts laboratory exercises independently on laboratory model.

Grading Method

Continuous Assessment Exam
Type Threshold Percent of Grade Threshold Percent of Grade
Laboratory Exercises 0 % 40 % 0 % 40 %
Mid Term Exam: Written 0 % 20 % 0 %
Final Exam: Written 0 % 20 %
Final Exam: Oral 20 %
Exam: Written 50 % 30 %
Exam: Oral 30 %
Comment:

In order to pass the course students are required to do all laboratory exercises.

Week by Week Schedule

  1. Mathematical model of DC Machine; DC chopper; Three-phase controlled rectifier.
  2. Mathematical model of DC Machine; DC chopper; Three-phase controlled rectifier.
  3. Armature and field control of separately excited DC Machines.
  4. Armature and field control of separately excited DC Machines.
  5. Cascade Control of DC Motor; Technical and symmetrical optimum; ITE, ITSE analysis.
  6. Cascade Control of DC Motor; Technical and symmetrical optimum; ITE, ITSE analysis.
  7. Visit.
  8. Midterm exam.
  9. Steady state mathematical model of Induction Machine; V/f control principles.
  10. Steady state mathematical model of Induction Machine; V/f control principles.
  11. AC/AC converters; Modulation techniques for AC/AC converters used in V/f control.
  12. AC/AC converters; Modulation techniques for AC/AC converters used in V/f control.
  13. V/f control of Induction Machine with and without speed sensor; Current limiter; Project.
  14. V/f control of Induction Machine with and without speed sensor; Current limiter; Visit.
  15. Final exam.

Study Programmes

University undergraduate
Computing (study)
Elective Courses (6. semester)
Electrical Engineering and Information Technology (study)
Elective Courses (6. semester)

Literature

Jens Weidauer (2013.), Električna pogonska tehnika, Graphis
Werner Leonhard (2001.), Control of Electrical Drives, Springer

Lecturers

Assoc. Prof.
Damir Sumina
Assoc. Prof.
Igor Erceg
Asst. Prof.
Martina Kutija

Exercises

Luka Pravica
mag. ing.

Laboratory exercises

Luka Pravica
mag. ing.
Filip Jukić
mag. ing.
Asst. Prof.
Martina Kutija
Ivana Pavlić
mag. ing.
Assoc. Prof.
Igor Erceg

For students

General

ID 183462
  Summer semester
5 ECTS
L1 English Level
L2 e-Learning
15 Lectures
15 Exercises
38 Laboratory exercises
0 Project laboratory

Grading System

90 Excellent
75 Very Good
60 Good
50 Acceptable

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