Terminated in academic year 2021/2022

Modeling of Electrical Power Systems I

Type of study	Follow-up Master
Language of instruction	Czech
Code	420-4025/02
Abbreviation	MSS I
Course title	Modeling of Electrical Power Systems I
Credits	7
Coordinating department	Department of Electrical Engineering
Course coordinator	Ing. Petr Orság, Ph.D.

Subject syllabus

Lectures:
1. Overview of simulation programs for mathematical modelling of power systems. Basic concepts, mathematical model of the system, types of simulations and simulation methods.
2. Introduction to modelling in Matlab-Simulink. Characteristics of the environment, basic functions and model libraries. Modelling of simple circuits in steady state and transient processes. Processing and visualization of simulation data.
3. Introduction to EMTP-ATP modelling. Characteristics of the environment, basic functions and model libraries. Modelling of simple circuits in steady state and transient processes. Processing and visualization of simulation data.
4. Modelling of power semiconductor devices and systems. Distortion of circuit quantities.
5. Modelling of industrial power systems. System elements, topology and consumption modelling. Input simulation data.
6. Modelling of unbalanced systems. Basic failure states.
7. Electrical load study. Purpose, creation, consumption scenarios.
8. Short circuit analysis. Modelling of short-circuit currents in power systems. Searching and documentation of input simulation data. Simulation scenarios.
9. Modelling of earth connections in power system. Types of ground faults, earth current compensation.
10. Modelling of lightning strike into power distribution system and switching overvoltage. Types of overvoltages.
11. Modelling of long lines. Ferranti effect.
12. Modelling of dynamics of large power induction motor. Voltage drop, allowable voltage drop.
13. Design of industrial power distribution. Voltage drop, power losses, warming.
14. Arc-Flash Study. Purpose and purpose of the study, link to short-circuit analysis.

Exercises:
1. Mathematical model of simple electric circuit.
2. Installation of Matlab, familiarization with graphical user interface, modelling of the serial RLC circuit, visualization and determination of characteristic quantities of the circuit.
3. Installation of EMTP-ATP, familiarization with graphical user interface, modelling of the serial RLC circuit, visualization and determination of characteristic quantities of circuit.
4. Circuit modelling with controlled and uncontrolled rectifiers, analysis of circuit quantities distortion in Matlab-Simulink / EMTP-ATP.
5. Simulation of simplified industrial power system in Matlab-Simulink / EMTP-ATP, searching of input simulation data.
6. Modelling of unbalanced industrial power systems in Matlab-Simulink / EMTP-ATP, determination of three-phase unbalance.
7. Creation of the Electrical load study for various scenarios of energy consumption.
8. Simulation of short circuits in low-voltage power system in Matlab-Simulink / EMTP-ATP, determination of characteristic values of short-circuit current.
9. Ground fault simulation in Matlab-Simulink / EMTP-ATP, determination of quenching choke.
10. Simulation of lightning strike to overhead line of power distribution system in Matlab-Simulink / EMTP-ATP, determination of overvoltage value.
11. Modelling of Ferranti effect in Matlab-Simulink / EMTP-ATP.
12. Modelling of large power induction motor starting in Matlab-Simulink / EMTP-ATP, determination of voltage drop.
13. Simulation and design of low voltage electrical installation using Matlab-Simulink / EMTP-ATP.
14. Credit test, defense of projects.

Projects
1. Electrical load study
2. Short circuit analysis

E-learning

1. Dudek, J. Projekce a konstrukce vyhrazených technických zařízení elektro I., Modelování a simulace silnoproudých systémů. Učební text, 204 stran, VŠB-TU Ostrava, 2014,
2. ČSN EN 60909-0: Zkratové proudy v trojfázových střídavých soustavách - Část 0: Výpočet proudů
3. ČSN IEC 909-2: Data pro výpočty zkratových proudů v souladu s IEC 909: 1988
4. ČSN 34 1610: Elektrotechnické předpisy ČSN. Elektrický silnoproudý rozvod v průmyslových provozovnách
5. ČSN 33 2000-4-43 ed. 2: Elektrické instalace nízkého napětí - Část 4-43: Bezpečnost - Ochrana před nadproudy
6. IEEE 399/1997 – IEEE Recommended Practice for Industrial and Commercial Power System Analysis
7. IEEE 141-1993 – IEEE Recommended Practice for Electric Power Distribution for Industrial Plants
8. ABS – rules for building and classing, steel vessels, 2012. Zdroj: www.eagle.org
9. NFPA 070E Standard for Electrical Safety in the Workplace
10. IEEE 1854 IEEE Guide for Performing Arc-Flash Hazard Calculations

Literature

1. IEEE 399/1997 – IEEE Recommended Practice for Industrial and Commercial Power System Analysis
2. IEEE 141-1993 – IEEE Recommended Practice for Electric Power Distribution for Industrial Plants
3. ABS – rules for building and classing, steel vessels, 2012. Source: www.eagle.org
4. NFPA 070E Standard for Electrical Safety in the Workplace
5. IEEE 1854 IEEE Guide for Performing Arc-Flash Hazard Calculations

Advised literature

HD 60364 Low voltage electrical installations
HD 637 Power installations exceeding 1 kV a.c.

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