OG3ET - Power Transformers

Course specification
Course title		Power Transformers
Acronym		OG3ET
Study programme		Electrical Engineering and Computing
Module		Power Engineering
Type of study		bachelor academic studies
Lecturer (for classes)		professor PhD Zoran Radaković
Lecturer/Associate (for practice)		professor PhD Mladen Terzić
Lecturer/Associate (for OTC)		professor PhD Mladen Terzić asst. professor PhD Miloš Ječmenica
ESPB		5.0	Status	elective
Condition		"Project-Power Transformer Design" is recommended. Consultation are provided during semester (ESPB=2)
The goal		Acquiring the basic knowledge of construction and operation principles of power transformers, their use and behavior in normal and emergency modes in the EPS, basic types in respect to their use and on site monitoring.
The outcome		Mastering the techniques for selection of power transformers in respect to plant characteristics; the ability of analysis and prediction of behavior of transformers in various operational modes; monitoring, testing and maintenance of transformers.
Contents
Contents of lectures		Operation principles, construction, main equations. No-load operation and no-load and short circuit tests. Equivalantly scheme. Losses and power efficiency. Voltage drop. Thermal problems. Connection, short circuit current, mechanical forces, overvoltages. Three phase winding connections. Parallel operation. Asymmetric modes, special transformers. Control, prevention, maintenance, protection.
Contents of exercises		No-load and short circuit tests in laboratory. Measurement of power losses, determination of equivalent circuit parameters and voltage ratio. One day visit to factory of power transformers "MINEL Transformers".
Literature
Đ. Kalić, R. Radosavljević: Transformatori, udžbenik (Original title) Đ. Kalić, R. Radosavljević: Transformatori, zbirka zadataka za računske vežbe (Original title) R. Radosavljević: Uputstvo za vežbe iz ispitivanja energetskih transformatora (Original title) Standardi SPRS IEC 60076-x, i drugi (Original title) J.H.Harlow: Electric power transformer engineering, CRC Press (Original title)
Number of hours per week during the semester/trimester/year
Lectures	Exercises	OTC	Study and Research	Other classes
3	1	0.5
Methods of teaching		Lectures, exercises, laboratory, visit to factory
Knowledge score (maximum points 100)
Pre obligations		Points	Final exam	Points
Activites during lectures		10	Test paper	30
Practical lessons		10	Oral examination	20
Projects		0
Colloquia		30
Seminars		0