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Modeling of Electrical Power Systems

Type of study Bachelor
Language of instruction Czech
Code 410-2035/01
Abbreviation MOSS
Course title Modeling of Electrical Power Systems
Credits 7
Coordinating department Department of Electrical Power Engineering
Course coordinator Ing. Petr Orság, Ph.D.

Subject syllabus

Lectures:
1. Overview of simulation programs for mathematical modelling of power systems, mathematical model of the system, types of simulations and simulation methods, introduction to EMTP-ATP modelling., characteristics of the environment, basic functions and model libraries
2. Modelling of industrial power systems, system elements and topologies, consumption modelling, input simulation data
3. Modelling of power semiconductor devices and systems. Distortion of circuit quantities
4. Creation output reports of industrial power system studies, power flow study, purpose, principles and simulation scenarios
5. Short circuit analysis, modelling of short-circuit currents in power systems
6. Analysis of reversal influences of industrial power system on the supply network, modelling of interference sources, harmonic analysis
7. Analysis of resonances in industrial power system, impedance amplitude and phase characteristics
8. Modelling of dynamics of large power induction motor, voltage drop, allowable voltage drop
9. Modelling of asymmetry and earth connection in power system, power system symmetrisation, power factor compensation, 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 control structures in power systems, control circuit stability
13. Modelling of synchronous machine dynamics
14. Modelling of synchronous machines working in an island network, voltage and power regulation of synchronous machine

Exercises:
1. Installation of EMTP-ATP, familiarization with graphical user interface, modelling of the serial RLC circuit, visualization and determination of characteristic quantities of circuit
2. Simulation of industrial power system in EMTP-ATP, searching of input simulation data
3. Circuit modelling with controlled and uncontrolled rectifiers in EMTP-ATP, analysis of circuit quantities distortion
4. Load flow analysis of industrial power system in EMTP-ATP, evaluation and documentation of load scenarios results
5. Simulation of short circuits in low-voltage power system in EMTP-ATP, determination of characteristic values of short-circuit current
6. Simulation of interference sources of industrial power system in EMTP-ATP, voltage and current harmonic analysis of power system
7. Analysis of resonances in industrial power system in EMTP-ATP, impedance amplitude and phase characteristics
8. Simulation of large power induction motor starting in EMTP-ATP, determination of voltage drop
9. Simulation of asymmetry and earth connection in power system in EMTP-ATP, power system symmetrisation, compensation of power factor and earth current
10. Simulation of lightning strike to overhead line of power distribution system in EMTP-ATP, determination of overvoltage value
11. Simulation long lines and Ferranti effect in EMTP-ATP
12. Simulation of transfer functions of power system in EMTP-ATP, control loop response testing
13. Simulation of synchronous machines working in a hard and own network in EMTP-ATP, stability testing
14. Credit test, defense of projects

Projects
1. Electrical load and load flow study of power system
2. Short circuit analysis of power system

E-learning

Study supports are available in the LMS to students of the course.

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.