# 420-2017/03 – Circuit Theory II (TOII)

 Gurantor department Department of Electrical Engineering Credits 4 Subject guarantor Ing. Petr Orság, Ph.D. Subject version guarantor Ing. Petr Orság, Ph.D. Study level undergraduate or graduate Requirement Compulsory Year 1 Semester summer Study language Czech Year of introduction 2018/2019 Year of cancellation Intended for the faculties USP, FEI, FS Intended for study types Bachelor
Instruction secured by
H1R15 Ing. Karel Chrobáček, Ph.D.
IVA10 doc. Ing. Lubomír Ivánek, CSc.
MOH35 Ing. Jitka Mohylová, Ph.D.
ORS60 Ing. Petr Orság, Ph.D.
BAR962 Ing. Kateřina Takáčová, Ph.D.
ZAJ02 Ing. Stanislav Zajaczek, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Graded credit 2+2
Part-time Graded credit 8+8

### Subject aims expressed by acquired skills and competences

The aim of education is give creative lessons in physical laws and principles to analysis of three-phase circuit, transient phenomena, two-port network, frequency response and distributed lines. After education student is able to calculated current, voltage, power and energy in circuit anyplace and then on the basis of them look on properties of electrical device. Student practices obtained knowledge and acquirements energetically.

### Teaching methods

Lectures
Individual consultations
Tutorials
Experimental work in labs
Project work

### Summary

Learning outcomes of the course unit The aim of the subject of Circuit Theory II is to teach students how to apply physics laws and principles in the analysis of elementary phenomena in three-phase circuits, transient phenomena, linear and nonlinear two-ports and distributed parameters. The knowledge of circuit theory is one of the basic knowledge that the student will apply throughout the course of study. After completing the subject of Circuit Theory II, the student is able to calculate the voltages and currents anywhere in the circuit and to assess the properties of the electrical devices.

### Compulsory literature:

Mikulec, M.: Basic Circuit Theory I.,ČVUT 1995 Mikulec, M., Havlíček, V.: Basic Circuit Theory II.ČVUT 1996

### Recommended literature:

Havlíček, V. Čmejla, R.: Basic Circuit Theory I. (Exercises ), ČVUT 1996 Huelsman, P.L.: Basic Circuit Theory. Prentice-Hall International, 1991, ISBN 0-13-063157-4

Credit test

### Other requirements

Additional requirements for students are not.

### Prerequisities

Subject has no prerequisities.

### Co-requisities

Subject has no co-requisities.

### Subject syllabus:

Lectures: 1. Organizational instructions, Sinusoidal quantities – power in alternating current circuit, power factor 2. Ideal and real world circuit components RLC. Impedance, admittance, phasor diagram 3. Three – phase circuits. 4. Faults in three phase circuits. 5. Resonant circuit, filtering features of resonant circuits. 6. Frequency characteristic – amplitude and phase characteristic. 7. Time variable quantities, characteristic values, harmonic analysis, harmonic spectrum. 8. Initial conditions, Transients in 1. order linear circuits. 9. Transients in 2. order linear circuits. 10. Operator method of transient analysis. 11. Two-port networks. 12. Transmission lines, primary line constants, secondary line constants, characteristic impedance. 13. Grading test, consultations. 14. Electromagnetic interference in circuits Seminars : 1. AC circuit analysis, construction of phasor diagram. 2. Test 1; Magnetic custody. 3. Three phase circuit analyse, wye and delta conection, phasor diagram. 4. Three phase circuit analyse, wye and delta conection, phasor diagram. 5. Test 2; Basic passive filter analyse.Construction of frequency characteristic. 6. Measurement, passive filter 7. Resonant circuits, 8. Test 3; Initial conditions, Transients in 1. order linear circuits – DC power supply. 9. Transients in 1. order linear circuits – AC power supply. 10. Initial conditions, initial conditions derivation. Transients in 2. order linear circuits – DC power supply.Transients in 2. order linear circuits – AC power supply, integral transform. 11. Measurement, Transients in 1. order linear circuits 12. Test 4;Determination of two-port network parameters. 13. Determination of transmission line constants. 14. Consultations.

### Conditions for subject completion

Part-time form (validity from: 2022/2023 Winter semester)
Task nameType of taskMax. number of points
Min. number of pointsMax. počet pokusů
Graded credit Graded credit 100 (100) 51 3
Písemná zkouška Written examination 40  5 3
Body ze cvičení Other task type 60  11 3
Mandatory attendence participation: 90% attendance at the exercises

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Conditions for subject completion and attendance at the exercises within ISP: Completion of all mandatory tasks within individually agreed deadlines.

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### Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner