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Electrical Circuits and Electronics (E141504)
Departments:ústav přístrojové a řídící techniky (12110)
Valid until: ??Range:2P+0C+2L
Introduction into theory of electrical circuits, analysis special types of electrical circuits as DC and AC. Transient states in circuits with accumulators of energy. Using Symbolic-Complex method and Fourier transformation for analysis AC circuits supplied with harmonic signal. El. Power and Energy. Introduction into electronics. Principle and typical parameters of basic semiconductor components. Application in electronic circuits (rectifier, stabilizer, power control, operational amplifier). Analogue and digital circuits. Principle of analogue and digital signal processing. Logical circuits, converters, microprocessor.
doc. Ing. Martin Novák Ph.D.
Zimní 2023/2024
doc. Ing. Martin Novák Ph.D.
Zimní 2022/2023
doc. Ing. Martin Novák Ph.D.
Zimní 2021/2022
1. El. installation, protections, protective enclosures, protective systems, Basic Safety Standards and Notice No. 50/78.
2. Components of electrical circuits - resistors, capacitors, inductors, source of voltage and current. Ideal, real, equivalent diagrams
3. Analysis methods of electrical circuits - Nodal voltages, mesh currents, Thevenin & Norton theorem, principle of superposition. General methods for analysis of circuits with non DC supplying. Transients.
4. Symbolic-complex method and Fourier transformation for analysis of AC circuits.
5. Three phase system. Electrical power in DC, AC (one and three phase) circuits. Measurement of electrical power.
6. Electronics. Diodes, rectifiers. Zener diode, voltage stabilizer
7. Thyristor, triac, controlled rectifier, chopper
8. Unipolar and bipolar transistor, transistor linear model.
9. Transistor as amplifier.
10. Operational amplifier, inverter, integrator, digital to analogue converter
11. Base of digital signals. Transistor as switch. Logical circuits. Converters of signal levels.
12. Digital TTL and CMOS integrated circuits. Combinational logic elements. Applications
13. Sequential circuits, counters, registers. Microcomputer, basic structure, properties.
14. Power electronics, Magnetic circuits, electromagnet
Structure of tutorial
1.Introduction - electrical laboratory work safety, Group subdivision.
2.DC circuits analysis, power supply sources, safety work test
3.Symbolic-complex method for circuits powered by sources of harmonic signal
4.Verification of fuse and circuit breakers characteristic The fault loop impedance measurement.
5.Transients, oscilloscope.
6.Circuits powered by harmonic AC voltage.
7.Power in 1 phase system, power factor correction
8.Semiconductors, Diodes. Rectifiers
9.Zener diode, voltage stabilizer. Switching power source
10.Transistors parameters measurement. Amplifier.
11.Thyristors, chopper
12.Operational amplifier
13.Transistor in switching mode, timing circuit
14.Microcomputer application examples, assessment
Rizzoni Giorgio, Principles and Applications of electrical Engineering, McGraw-Hill Publishing Company
ISBN 0-256-26116-4

A. Base of electrical circuit analysis
1. Elements of electrical circuits, ideal resistor, capacitor, inductor, source of voltage a nd current. Units. Description of elements in electronics and electrical schemas, using shortened coding.
2. Solution of stable state of linear electrical circuit supplied by DC sources of voltage and/or current using Kirchhof?s laws. Methods of loops. Theorems of equivalent source (Thevenins, Nortons and principle of superposition).
3. Solution of transient state of linear electrical circuit supplied by DC source of voltage and current( RC, RL and RLC).
4. Phasor, rotating phasor, exponential and component form of phasor, solution of stable state of linear circuit suplied by one or more sources of harmonic voltage/current using symbolic-complex method. Phasor diagram composition.
5. Universal linear load supplied by harmonic source of voltage. Instantaneous power, average power, watt, wattles and apparent power, power factor.
6. Mead }average] value and root mean value of AC voltage.
7. Three phase symmetrical system of voltage sources, line to neutral and line to line voltage. Symmetrical and non symmetrical load connected ad star and delta. Solution using symbolic-complex method. Phasor diagram composition.
8. Power in three phase system, instantaneous power on three phase symmetrical load, watt, wattless and apparent power on symmetrical and non symmetrical load. Circuits diagrams for power measurement in one and three phase systems. Evaluation of measurements.
9. Resonance in electrical circuit, parallel and serial, compensation of phase shift.
10. Personal protection against electrical shock

B. Electronics elements and their applications:
11. Semiconductor diode, principle threshold voltage, current-voltage characteristic, limit and typical specifications. Cooling of semiconductors elements.
12. One and two way rectifier, bridge connection. Rectifier with watt load with/without smoothing capacitor, connection, time response of voltage. Dimensioning of diodes and smoothing capacitor. Principle and block diagram of switching source for PC.
13. Zener diode, behaviours, parameters, current-voltage characteristic. Voltage stabiliser using ZD. Coefficient of stabilisation, output resistance.
14. Thyristor, behaviours, parameters, current-voltage characteristic, controlled rectifiers.
15. Bipolar and unipolar transistor, behaviours, parameters, current-voltage characteristic (input, output), compare properties. Static transfer characteristic
16. Amplifier with bipolar and unipolar transistor. Load line, dynamic transfer characteristic. Working point setting, h- and y- parameters. Voltage amplification.
17. Transistor as switch. Switching of inductive load, transistor protection.
18. Electrical realisation of two state logical variable, limits of L and H levels for output and input, noise immunity, logical gain.
19. Inverter, connection, function, transfer characteristic, using for signal voltage and power shift.
20. Operational amplifier, properties, current and voltage offset. Transfer characteristic. Inverting, non-inverting amplifier, integrator with OA. Transfer errors.
21. Circuits using TTL and CMOS components, levels and their setting, properties and comparing
22. Block scheme, basic components and function of microcomputer. Principle of busses
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