451-0030/01 – Transient effects in electric systems (dm-PJES)

Gurantor departmentDepartment of Electrical Power EngineeringCredits8
Subject guarantordoc. Dr. Ing. Zdeněk MedvecSubject version guarantordoc. Dr. Ing. Zdeněk Medvec
Study levelundergraduate or graduateRequirementChoice-compulsory
YearSemestersummer
Study languageCzech
Year of introduction1992/1993Year of cancellation2006/2007
Intended for the facultiesFEIIntended for study typesMaster
Instruction secured by
LoginNameTuitorTeacher giving lectures
MED40 doc. Dr. Ing. Zdeněk Medvec
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+2

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

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:

Anderson, P.M., Fouad, A.A.: Power system control and stability. Iowa, 1977. Machowski, J., Bialek, J.W., Bumby, J.R.: Power system dynamics and stability. Wiley, 1997.

Recommended literature:

Way of continuous check of knowledge in the course of semester

E-learning

Další požadavky na studenta

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. 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. Credit exercise.

Conditions for subject completion

Full-time form (validity from: 1960/1961 Summer 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 (30) 0
                Laboratory work Laboratory work 9  0
                Project Project 11  0
                Written exam Written test 10  0
        Examination Examination 70 (70) 0
                Written examination Written examination 10  0
                Oral Oral examination 60  0
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
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2006/2007 (M2612) Electrical Engineering and Computer Science (3907T001) Electrical Power Engineering P Czech Ostrava 4 Compulsory study plan
2006/2007 (M2612) Electrical Engineering and Computer Science (2601T004) Measurement and Control Engineering P Czech Ostrava Choice-compulsory study plan
2006/2007 (M2612) Electrical Engineering and Computer Science (2612T018) Electronics and Communication Technology P Czech Ostrava Choice-compulsory study plan
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2006/2007 (M2612) Electrical Engineering and Computer Science (3902T023) Computer Science P Czech Ostrava Choice-compulsory study plan
2006/2007 (M2612) Electrical Engineering and Computer Science (3907T001) Electrical Power Engineering P Czech Ostrava Choice-compulsory study plan
2005/2006 (M2612) Electrical Engineering and Computer Science (3907T001) Electrical Power Engineering P Czech Ostrava 4 Compulsory study plan
2005/2006 (M2612) Electrical Engineering and Computer Science (2601T004) Measurement and Control Engineering P Czech Ostrava Choice-compulsory study plan
2005/2006 (M2612) Electrical Engineering and Computer Science (2612T018) Electronics and Communication Technology P Czech Ostrava Choice-compulsory study plan
2005/2006 (M2612) Electrical Engineering and Computer Science (2642T004) Electrical Machines, Apparatus and Drives (10) Elektrické stroje a přístroje P Czech Ostrava Choice-compulsory study plan
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2005/2006 (M2612) Electrical Engineering and Computer Science (3902T023) Computer Science P Czech Ostrava Choice-compulsory study plan
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2004/2005 (M2612) Electrical Engineering and Computer Science (3907T001) Electrical Power Engineering P Czech Ostrava 4 Compulsory study plan
2004/2005 (M2612) Electrical Engineering and Computer Science (2601T004) Measurement and Control Engineering P Czech Ostrava Choice-compulsory study plan
2004/2005 (M2612) Electrical Engineering and Computer Science (2612T018) Electronics and Communication Technology P Czech Ostrava Choice-compulsory study plan
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2003/2004 (M2612) Electrical Engineering and Computer Science (3902T023) Computer Science P Czech Ostrava Choice-compulsory study plan
2003/2004 (M2612) Electrical Engineering and Computer Science (3907T001) Electrical Power Engineering P Czech Ostrava Choice-compulsory study plan
2002/2003 (M2612) Electrical Engineering and Computer Science (2601T004) Measurement and Control Engineering P Czech Ostrava Choice-compulsory study plan
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2002/2003 (M2612) Electrical Engineering and Computer Science (3902T023) Computer Science P Czech Ostrava Choice-compulsory study plan
2002/2003 (M2612) Electrical Engineering and Computer Science (3907T001) Electrical Power Engineering P Czech Ostrava Choice-compulsory study plan
2002/2003 (M2612) Electrical Engineering and Computer Science (3907T001) Electrical Power Engineering P Czech Ostrava 4 Compulsory study plan
2001/2002 (M2612) Electrical Engineering and Computer Science (2601T004) Measurement and Control Engineering P Czech Ostrava Choice-compulsory study plan
2001/2002 (M2612) Electrical Engineering and Computer Science (2612T018) Electronics and Communication Technology P Czech Ostrava Choice-compulsory study plan
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2001/2002 (M2612) Electrical Engineering and Computer Science (3902T023) Computer Science P Czech Ostrava Choice-compulsory study plan
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Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner