420-6001/01 – Diagnostics of Electrical Quantities (DEV)

Gurantor departmentDepartment of Electrical EngineeringCredits10
Subject guarantordoc. Ing. Vítězslav Stýskala, Ph.D.Subject version guarantordoc. Ing. Vítězslav Stýskala, Ph.D.
Study levelpostgraduateRequirementChoice-compulsory
YearSemesterwinter
Study languageCzech
Year of introduction2010/2011Year of cancellation2012/2013
Intended for the facultiesFEIIntended for study typesDoctoral
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 7+0
Combined Credit and Examination 7+0

Subject aims expressed by acquired skills and competences

The aim of education is give creative lessons in analysis of nonharmonic voltage and current waveforms by means of physical laws.

Teaching methods

Individual consultations
Project work

Summary

Diagnostics of measured voltages and current waveforms, evaluation their distortion. Identification of circuit parameters of electromagnetic phenomena induced by non-harmonic waveforms and currents. New methods of graphical analysis non-harmonic quantities by numerical mathematics.

Compulsory literature:

Merz, H.: Electric Machines and Drives. 214 p., VDE Verlag, Berlin und Offenbach 2002, ISBN 3-8007-2602-5 Hase, Y. Handbook of Power System Engineering. 537 p., John Wiley and Sons, Ltd., Chichester - England 2012, ISBN: 978-0-470-02742-4

Recommended literature:

Boldea, I., Nasar, S. A.: Electric Drives. CRC Press, London, New York, Washington D. S., 1999 Giri, F.: AC Electric Motors Control, John Wiley and Sons, Ltd., Chichester - England 2014, ISBN: 978-1-118-33152-1

Way of continuous check of knowledge in the course of semester

Student must to give two semestral works until the end of 14-th semester week.

E-learning

Další požadavky na studenta

Additional requirements for students are not.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Consultations: • Quality and quantity of electromagnetical phenomena, concep definition: voltage, current, power, energy. • Scalar product of measurable time varying function, base function, integral transformation of time varying function, definition of root-mean-square value by means of scalar product, active and reactive component of power, quantities and immittances. • Analysis of periodical non-harmonic functions by Fourier`s series. • Discussion of power defined via Fourier`s series. • Elementary circuit models of electromagnetical phenomena. Equivalence and duality priciple. • Definition of circuit parameters of electromagnetical phenomena. • Analysis of elementary models, definition of time constant and quality factor. • Definition of power non-active component. • Transformation of circuit equations. • Power frequency spectrum, conversion of frequecy spectrum, Tellegen`s theorem. • Analysis by means of graphical methods. • Numerical method for working of measured circuit quantities. • Determination of efficiency and power factors. • Electromagnetical interference and compatibility. • Imaging of choosen time varying function, application of physical laws. • Calculation of scalar product, definition of root-mean-square • Calculation of Fourier`s series coefficient, analysis of elementary circuit. • Setting and analysis of 1 th semestral work. • Discussion of power calculated via Fourier`s series. • Calculation of circuit parameters via current and voltage wave. • Calculation of active and reactive component of power, quantities and immittances. • Formulation of mathematical models with lossless elements. • Setting and analysis of 2 nd semestral work. • Circuit analysis via Tellegen` theorem. • Calculation of quality factor, loss angle and time constant via scalar product of current and voltage waves. • Discussion of modern method for signal processing. • Discussion and analysis of relegated semestral work. Semester projects: • 1st Calculate circuit parameters via current and voltage waves. • 2nd Determine active, reactive and non-active components inseries connection of ac source, diode, rezistor and iductor.

Conditions for subject completion

Combined form (validity from: 2010/2011 Winter semester, validity until: 2012/2013 Summer semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100  51
        Exercises evaluation Credit  
        Examination Examination  
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2012/2013 (P2649) Electrical Engineering (3907V001) Electric Power Engineering P Czech Ostrava Choice-compulsory study plan
2012/2013 (P2649) Electrical Engineering (2642V004) Electrical Machines, Apparatus and Drives P Czech Ostrava Choice-compulsory study plan
2012/2013 (P2649) Electrical Engineering (3907V001) Electric Power Engineering K Czech Ostrava Choice-compulsory study plan
2012/2013 (P2649) Electrical Engineering (2642V004) Electrical Machines, Apparatus and Drives K Czech Ostrava Choice-compulsory study plan
2012/2013 (P2645) Electrical Engineering, Communication and Computer systems (3907V001) Electrical Power Engineering K Czech Ostrava Choice-compulsory study plan
2011/2012 (P2649) Electrical Engineering (2642V004) Electrical Machines, Apparatus and Drives P Czech Ostrava Choice-compulsory study plan
2011/2012 (P2649) Electrical Engineering (2642V004) Electrical Machines, Apparatus and Drives K Czech Ostrava Choice-compulsory study plan
2011/2012 (P2649) Electrical Engineering (3907V001) Electric Power Engineering P Czech Ostrava Choice-compulsory study plan
2011/2012 (P2649) Electrical Engineering (3907V001) Electric Power Engineering K Czech Ostrava Choice-compulsory study plan
2010/2011 (P2645) Electrical Engineering, Communication and Computer systems (2642V004) Electrical Machines, Apparatus and Drives P Czech Ostrava Choice-compulsory study plan
2010/2011 (P2645) Electrical Engineering, Communication and Computer systems (2642V004) Electrical Machines, Apparatus and Drives K Czech Ostrava Choice-compulsory study plan
2010/2011 (P2649) Electrical Engineering (2642V004) Electrical Machines, Apparatus and Drives P Czech Ostrava Choice-compulsory study plan
2010/2011 (P2649) Electrical Engineering (2642V004) Electrical Machines, Apparatus and Drives K Czech Ostrava Choice-compulsory study plan
2010/2011 (P2649) Electrical Engineering (3907V001) Electric Power Engineering P Czech Ostrava Choice-compulsory study plan
2010/2011 (P2649) Electrical Engineering (3907V001) Electric Power Engineering K Czech Ostrava Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner