# 420-2016/04 – Circuit Theory I (TOI)

 Gurantor department Department of Electrical Engineering Credits 6 Subject guarantor Ing. Stanislav Zajaczek, Ph.D. Subject version guarantor Ing. Stanislav Zajaczek, Ph.D. Study level undergraduate or graduate Requirement Compulsory Year 1 Semester winter Study language Czech Year of introduction 2018/2019 Year of cancellation Intended for the faculties FS, USP, FEI 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.
ZAJ02 Ing. Stanislav Zajaczek, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent

### 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

The course "Circuit theory I" deals with the analysis of the electrical circuits - the most typical structure in the electrical engineering. Electrical circuits knowledge are basic knowledge and they are a prerequisite for advanced circuit courses (electronic, measuring and control systems, electrical machines, etc.). The basic aim is to determine voltages and currents in the electrical circuit, and then identify (from these knowledge) the properties of the circuit or system. Theses: elementary models of electromagnetic effects, circuit analysis algorithms, transients in the linear circuits (the 1. order), experimental measurements (Associate professor Josef Punčochář).

### 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, introduction to electrical engineering – basic concepts, definitions of electric quantities, e.g. resistivity, conductivity, Ohm’s law, Kirchhoff’s law 2. Electrical components connection, step by step method, method of proportional quantities. 3. Real voltage and current source, voltage, current and power matching, voltage divider, current divider. 4. Wye – delta transform. 5. Principles of electric circuit analysis 6. Electric circuit topology 7. Mesh current method. 8. Node-voltage analysis. 9. Magnetic circuits. 10. Dialectical circuits. 11. Circuits of sinusoidal alternating current in steady state. 12. AC circuit analysis in sinusoidal steady state. 13. Grading test, Q/A time. Seminars: 1. Quantities, units, measures. Calculation of resistance from geometric dimensions. Standard values of resistors. 2. Verification of Ohm’s law and Kirchhoff’s law. 3. Circuit components connection, step by step method, method of proportional quantities. 4. Connection of power supplies, voltage and current dividers. 5. Wye – delta transform and vice versa. 6. Superposition theorem. 7. Thevenin’s and Norton's theorem. 8. Mesh current method. 9. Node-voltage analysis. 10. Dialectical circuits analysis. 11. Magnetic circuit analysis. 12. Amplitude, RMS value, phasor. 13. Mesh current method, Node-voltage analysis in sinusoidal steady state. 14. Consultations. Laboratory works: 1. Rules of laboratory works, device connection, registration and processing of measured values. 2. Verification of basic electric circuits laws, Tellegen's theorem. 3. Loaded and unloaded voltage divider. 4. Test 1 5. Power supply load characteristic. 6. Wye – delta transform. 7. Verification of superposition theorem. 8. Test 2 9. Verification of Thevenin’s and Norton's theorem. 10. Seminar project. 11. Measurement of inductive coupling. 12. Test 3 13. Substitute measurement. 14. Credit.

### Conditions for subject completion

Part-time form (validity from: 2019/2020 Winter semester)
Min. number of points
Zápočtový test Written test 40  5
Body ze cvičení Other task type 60  11
Mandatory attendence parzicipation: 90% attendance at the exercises

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