Theory of Electrical Engineering

Relations:

In order to register for the course F7ABBEO, the student must have successfully completed the course F7ABBTEL.

Course guarantor:

Pavel Máša

Lecturer:

Pavel Máša

Tutor:

Pavel Máša

Supervisor:

Department of Biomedical Technology

Synopsis:

Electric current, DC and AC currents. Electrical curcuits including R, L, C. Power of electric current, thermal effect of electric current. Distribution of electrical energy. Connection of the electrical systems. Input resistance and impedance, idle voltage, inner resistance and impedance of the source, mutual loading of the source and electrical appliance, impedance matching. Properties of circuits in time and frequency domain. Transient action in DC circuits, frequency characteristics of the L/C circuit. Electrical current in semiconductor, type of the conductivity, creation of the semiconductor crossing, properties in the forward and reverse direction. Bipolar transistor - transistor effect, basic principle in elementary circuit. Unipolar transistor. Unipolar transistors with complementary vodivosti (CMOS). Electromagnetic effects (induction, magnetization, force effect). Electromagnetic wave, spreading, interference, electromagnetic compatibility. Soft and hard magnetic materials. Transformers construction and parameters. Magnetic recording and reproduction of signals. Electromotors principles.

Requirements:

All requirements for assessment and exam are available on the website https://moodle-vyuka.cvut.cz/course/view.php?id=16075

Syllabus of lectures:

1.Electric current, DC and AC currents.

2.Electrical curcuits including R, L, C.

3.Power of electric current, thermal effect of electric current. Distribution of electrical energy. Connection of the electrical systems.

4.Input resistance and impedance, idle voltage, inner resistance and impedance of the source, mutual loading of the source and electrical appliance, impedance matching.

5.Properties of circuits in time and frequency domain. Transient action in DC circuits, frequency characteristics of the L/C circuit.

6.Electrical current in semiconductor, type of the conductivity, creation of the semiconductor crossing, properties in the forward and reverse direction.

7.Bipolar transistor - transistor effect, basic principle in elementary circuit. Unipolar transistor.

8.Unipolar transistors with complementary vodivosti (CMOS).

9.Electromagnetic effects (induction, magnetization, force effect).

10.Electromagnetic wave, spreading, interference, electromagnetic compatibility.

11.Soft and hard magnetic materials.

12.Transformers construction and parameters.

13.Magnetic recording and reproduction of signals.

14.Electromotors principles.

Syllabus of tutorials:

1. Mathematical operations, important for electrical engineering; their use for calculations of basic electrical quantities;

2. Basic circuit quantities, superposition principle, Thévenin and Norton theorems;

3. Elementary analysis of DC circuits, Microcap, Double gate;

4. General methods of analysis of DC circuits;

5. Analysis of circuits in harmonic steady state (HUS) - phasor, impedance;

6. Analysis of circuits in HUS, power;

7. HUS - resonance, frequency characteristics;

8. Analysis of circuits in the time domain - 1st order transients; basic tasks;

9. Laplace transform, 2nd order transients;

10. Transformer, Long homogeneous line, semiconductors - diode, transistor;

11. Laboratory exercise 1;

12. Laboratory exercise 2;

13. Laboratory exercise 3;

14. Laboratory exercise 4.

Study Objective:

To introduce students to the methods of electrical circuits analysis for steady state in DC linear circuits and in the harmonic steady state in AC circuits by means of the circuit equations configured by loop currents and knot voltages. The most important tasks are the solution of the circuits based on the Thevenin and Norton theorem. The methodology of the magnetic circuits solutions is included as well.

Study materials:

[1] Havlíček, V., Čmejla, R.: Basic circuit theory I-Exercises. 2. vydání. Praha: ČVUT, 2002.

[2] Havlíček,V., Čmejla, R., Zemánek, I.: Basic circuit theory II. - excercises. 1. vydání. Praha: ČVUT, 1997.

[3] Mikulec, M., Havlíček, V.: Basic Circuit Theory. 2. vydání. Praha: ČVUT, 2005.

[4] Foit, J.: Basic Electronics. 1. vydání. Praha: ČVUT, 2005.

[5] Foit, J., Vobecký, J., Záhlava, V.: Electronics. Laboratory Measurements. 1. vydání. Praha: ČVUT, 2005.

[6] Foit, J., Vobecký, J., Záhlava, V.: Electronics - Laboratory Measurements. dotisk 1. vydání. Praha: ČVUT, 2007.

Note:

Time-table for winter semester 2025/2026:

Time-table is not available yet

Time-table for summer semester 2025/2026:

	06:00–08:0008:00–10:0010:00–12:0012:00–14:0014:00–16:0016:00–18:0018:00–20:0020:00–22:0022:00–24:00
Mon
Tue
Wed
Thu
Fri	roomKL:B-435 Máša P. 09:00–10:50 (lecture parallel1) Kladno FBMI roomKL:B-435 Máša P. 11:00–12:50 (lecture parallel1 parallel nr.1) Kladno FBMI roomKL:A-011 Máša P. 13:00–14:50 (lecture parallel1) Kladno FBMI roomKL:A-011 Máša P. 11:00–12:50 (lecture parallel1) Kladno FBMI

The course is a part of the following study plans:

• Prospectus - bakalářský (!)
• Biomedical Technology (compulsory course)
• Biomedical Technology (compulsory course)