Fundamentals of Electrical Drives
Data is displayed for academic year: 2023./2024.
Lecturers
Course Description
General structure of an electrical drive system. Concepts, definitions, motion equations. Drive components, motors, power converters, transmissions, working mechanisms, power supplies, transformers. Classifications and characteristics of drives. Characteristics of DC, AC and universal motors. Characteristics of working mechanisms. Definitions of drives according to IEC standards. Electrical drives with DC, induction and synchronous motors. Drives in steady state. Basics of dynamics. Starting, braking and reversing. Rotational speed control and power saving with the application of controlled drives. Basics of drive protection. Drives in classical and nuclear power plants. Anti-explosive construction of drives. Standards.
Study Programmes
University undergraduate
[FER2-HR] Electrical Power Engineering - module
Elective Courses
(6. semester)
General Competencies
The knowledge of properties and characteristics of electrical drives relevant for their application is acquired.
Learning Outcomes
- describe general structure of an electrical drive system
- define basic electromechanical terms
- discuss basic motor characteristic for electrical drive
- predict drive behaviour in typical applications
- prepare drives parameters acording demands
- select motor for electrical drive
Forms of Teaching
Lectures
Two cycles; 6+5 lectures
ExamsLabs, exams
ExercisesTwo exercises.
Laboratory WorkThreee cycles in groups in department laboratory. One of them can be changed with praxis visit.
Internship visitsElectrical drives in industrial plant.
Grading Method
Continuous Assessment | Exam | |||||
---|---|---|---|---|---|---|
Type | Threshold | Percent of Grade | Threshold | Percent of Grade | ||
Laboratory Exercises | 60 % | 20 % | 60 % | 20 % | ||
Mid Term Exam: Written | 20 % | 25 % | 0 % | |||
Final Exam: Written | 20 % | 25 % | ||||
Final Exam: Oral | 30 % | |||||
Exam: Written | 40 % | 30 % | ||||
Exam: Oral | 50 % |
Week by Week Schedule
- General structure of an electrical drive system. Concepts, definitions, motion equations. Classifications and characteristics of drives.
- Drives in steady state, characteristics of working mechanisms, electrical motor characteristics.
- Electrical drives with DC motors, basic characteristics.
- Electrical drives with DC motors, starting, breaking, rotational speed control. Traction applications.
- Electrical drives with induction motors, basic characteristics.
- Electrical drives with induction motors. Starting, breaking, reversing. Slip ring motor. Speed control. Industry application.
- Exercise
- Interexam
- Electrical drives with synchronous motors. Synchronous motors with classical excitation system and permanent magnet starting. Speed control.
- Electrical drive dynamic basics. Mechanical transients and power losses. Cutting losses.
- Electrical drive with DC, induction and synchronous motors dynamics.
- Electrical motor selection for defined electrical drive. Types of typical loads according to IEC 60034-1, basics of motor heating and cooling.
- Electrical drives protection, overload and grid disturbances influence, environmental influence. Drives in explosive environment. ATEX standards. Typical application of electrical drives.
- Exercise
- Final exam
Literature
Jurković Berislav (1986.), Elektromotorni pogoni, Školska knjiga Zagreb
For students
General
ID 91613
Summer semester
4 ECTS
L1 English Level
L1 e-Learning
26 Lectures
0 Seminar
4 Exercises
15 Laboratory exercises
0 Project laboratory
Grading System
86 Excellent
71 Very Good
61 Good
50 Sufficient