410-4115/01 – Transient Effects in Electrical Systems (PJES)

Gurantor departmentDepartment of Electrical Power EngineeringCredits8
Subject guarantordoc. Dr. Ing. Zdeněk MedvecSubject version guarantordoc. Dr. Ing. Zdeněk Medvec
Study levelundergraduate or graduate
Study languageCzech
Year of introduction2010/2011Year of cancellation
Intended for the facultiesFEIIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
GUR10 doc. Dr. Ing. Jiří Gurecký
MED40 doc. Dr. Ing. Zdeněk Medvec
MOL03 Ing. Petr Moldřík, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+2
Combined Credit and Examination 10+4

Subject aims expressed by acquired skills and competences

Explaining basic terms and principles of electromechanical transient effects in electric systems. After passing the subject the student is able to calculate symmetric and asymmetric short-circuit in network, ground connection in electric systems and static and dynamic stability of system. The student is also able to practise dimensioning of electric equipment according to effects of short-circuit currents.

Teaching methods

Lectures
Tutorials
Experimental work in labs
Project work
Other activities

Summary

The subject includes theoretical part of extraordinary states in electric systems. It follows short-circuit in network, ground connection in electric systems and static and dynamic stability. The subject explains basic terms of electromechanical transient effects in electric systems.

Compulsory literature:

1. Machowski, J., Bialek, J.W., Bumby, J.R.: Power system dynamics and stability. Wiley, 1997.

Recommended literature:

1. Anderson, P.M., Fouad, A.A.: Power system control and stability. Iowa, 1977.

Way of continuous check of knowledge in the course of semester

Processing of reports from laboratory works, design of individual projects, test. Credit conditions: Profit minimum 15 points, attendance at laboratory work.

E-learning

Další požadavky na studenta

Additional requirements for the student are not.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: Definition and distribution of transient effects. Electromagnetic effects in electric systems. Three-pole short-circuit supplied by ideal source. Three-pole short-circuit of synchronous machine. Three-pole short-circuit on connectors of asynchronous motor. Characteristic values of short-circuit in general network. Parameters of elements of electric system in symmetrical systems. Asymmetrical operating status of electric system. Calculation of short-circuit currents in complicated electric systems. Dimensioning of electric equipment according to effects of short-circuit currents. Ground connection in electric systems. Transient overvoltage at ground connection. Electromechanical transient effects in electric systems. Simple system stability. Static stability of simple system. Dynamic stability of simple system. Stability of complicated electric system. Asynchronous operation of electric system. Exercises: Information about the requirements for passing the exercises. Safety considerations. The organization of the work in the labs. Instructions for elaboration of lab task. Calculation of short-circuit currents according to ČSN 33 3020. Calculation of symmetric short-circuit currents. Calculation of asymmetric short-circuit currents. Calculation of short-circuit currents with influence asynchronous motors. Calculation of ground connection in electric systems. Dimensioning of electric equipment according to effects of short-circuit currents. Calculation of static stability of simple system. Calculation of dynamic stability of simple system. Calculation stability of complicated electric system. Credit exercise. Laboratory: Laboratory electrical measurement of short-circuit currents at model. Laboratory electrical measurement of ground connection at model. Laboratory electrical measurement at model of electric network 220 kV. Projects: Calculation of symmetric short-circuit currents. Calculation of asymmetric short-circuit currents. Calculation of static and dynamic stability of simple system.

Conditions for subject completion

Full-time form (validity from: 2010/2011 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 30  15
        Examination Examination 70  21
Mandatory attendence parzicipation:

Show history
Combined form (validity from: 2010/2011 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 30  15
        Examination Examination 70  21
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2019/2020 (N0713A060003) Electrical Power Engineering P Czech Ostrava 1 Compulsory study plan
2019/2020 (N0713A060003) Electrical Power Engineering K Czech Ostrava 1 Compulsory study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2013/2014 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2013/2014 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2012/2013 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2012/2013 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2011/2012 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2011/2012 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2010/2011 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2010/2011 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner