Course content

Electric Machines and Drives

Code:

248176

Abbreviation:

PD-1472

Higher education institution:

Faculty of Mechanical Engineering and Naval Architecture

ECTS credits:

4.0

Load:

14(E) + 16(E) + 30(L)

Issuing teachers:

Professor Joško Deur, PhD

Assistant Professor Mario Hrgetić, PhD

Course contractors:

Assistant Professor Branimir Škugor, PhD (E)

Assistant Professor Mario Hrgetić, PhD (L)

Ivo Grđan (E)

Professor Joško Deur, PhD (L)

Course description:

Course objectives: The aim of this course is to provide basic knowledge of AC and DC electric machines (design, principle of operation, basic characteristics, starting, adjusting the speed of rotation), electric drives (electric braking, motor selection, dynamic losses) and electric servodrives (with emphasis on controls). Enrolment requirements and required entry competences for the course: Passed the course Electrical Engineering Student responsibilities: Teaching comprises of lectures, auditory, computer, and laboratory exercises with student attendance checking, and consultations according to the need. Reading of prescribed literature. Grading and evaluation of student work over the course of instruction and at a final exam: Regular attendance Active participation in practical excercises Coloquium Examination Lectures 1. DC motors: design and principle of operation, mechanical characteristic, starting 2. Synchronous generators, threephase systems 3. Asynchronous motors: design and operating principle 4. Asynchronous motors: mechanical characteristic, starting 5. Asynchronous motors: speed adjustment, single phase motor 6. DC motors: adjusting the speed of rotation 7. Electrical braking 8. Selection of electric motors 9. Dynamic losses 10. Electronic energy converters and sensors 11. Dynamic model of DC motor and cascade control structure 12. Current control 13. Speed control 14. Position control 15. Stepper and other special lowpower motors Exercises 1. DC machines (AE) 2. DC machines (LE) 3. Threephase systems (AE) 4. Synchronous and asynchronous machines: design and working principle (LE) 5. Asynchronous motors (AE) 6. Asynchronous motors (LE) 7. Colloquium I 8. Electric Braking and Selection of Electric Motors (AE) 9. Brushless DC motors (LE) 10. Servomotor elements: converter, sensors, control computer (LE) 11. Simulation of electric motor drives (CE) 12. Linear servodrives (LE) 13. Current and speed control (AE) 14. Position control with emphasis on low power drives (AE) 15. Colloquium II

Course languages:

Hrvatski

Mandatory literature:

B. Skalicki, J. Grilec (2005): Električni strojevi i pogoni

J. Deur, D. Pavković (2012): Fundamentals of Electrical Drive Controls

W. Leonhard (1996): Control of Electrical Drives

Recommended literature:

V. Ambrožić, P. Zajec (2019): Električni servo pogoni

J. Weidauer (2013): Električna pogonska tehnika - osnove, projektiranje, primjene, rješenja

Learning outcomes:

1. Understand the operation of direct current and asynchronous machines in different operating conditions.

2. Analyse stationary and transient phenomena in electric drives based on the known static and dynamic characteristics of electric machine and load mechanism.

3. Select an electric machine according to load cycle characteristics.

4. Select power electronics circuits and sensors for use in electric servo-drives.

5. Set up dynamic models and perform computer simulations of electric motor drives.

6. Design and test control systems associated with electric servo-drives.

Enrollment prerequisites:

Electrical Engineering (passed)

Course in study programme:

Code	Name of study	Level of study	Semester	Required/Elective
1140	Mechatronics and Robotics	undergraduate	6	required

* the course is not taught in that semester

Legend

E - Exercises

L - Lectures