420-6001/01 – Diagnostics of Electrical Quantities (DEV)
| Gurantor department | Department of Electrical Engineering | Credits | 10 |
| Subject guarantor | doc. Ing. Stanislav Kocman, Ph.D. | Subject version guarantor | doc. Ing. Vítězslav Stýskala, Ph.D. |
| Study level | postgraduate | Requirement | Choice-compulsory |
| Year | | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2010/2011 | Year of cancellation | 2012/2013 |
| Intended for the faculties | FEI | Intended for study types | Doctoral |
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:
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
Additional study materials
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
Other requirements
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
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction
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