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Lecturer(s)
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Vajnar Vladimír, Ing.
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Tesařová Miloslava, Doc. Ing. Ph.D.
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Vykuka Roman, Ing.
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Vajnar Vladimír, Ing.
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Hulec Martin, Ing.
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Tímr Jan, Ing.
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Course content
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- Electric Power System (EPS) of the Czech Republic; EPS design, development and historical landmarks - Electrical networks - types, performance characteristics of 400 kV, 220 kV, 110 kV, MV and LV networks - System earthing arrangements, using of different methods of earthing neutrals, line-to-ground fault versus earth fault - Power lines - equivalent circuits, overhead lines and underground cables, their application and performance characteristics, power line components, trends - superconducting cables - Electrical substations - substation layouts (single, double or triple busbar arrangements), distribution system design, performance characteristics, feeder circuit equipment, back-up operation - Transformers - equivalent circuits types, losses in core and windings; transformer design applications; transformer construction and installation; voltage regulation by tap changers - MV, HV and EHV Switchgear - overview, circuit breakers, switches, disconnectors; dis-/advantages and applications of circuit breakers with different arc quenching medium - Power system protection principles, overload and short-circuit protection, tripping characteristics, protection devices: fuses, miniature circuit breakers and protection relays (current relays, differential protection, distance relays) principles and applications; current and voltage transformers - Overvoltages - causes, overvoltage protection (earth wires, air gaps, lightning arresters, auto-recloser operation) their application and performance characteristics - Renewable energy sources - impact on power system operation - Calculated load (maximum demand) of supply system - definition, calculation methods, transformer rating, examples - Voltage drop on a power line, vector diagram, equation for voltage drop calculation, examples - Power factor correction (PFC) and its benefits, PFC equipment and their location - Short-curcuit calculation - schort-circuit current and capacity, post-faul voltages.
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Learning activities and teaching methods
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Multimedia supported teaching, Students' self-study, Lecture, Practicum
- Contact hours
- 52 hours per semester
- Preparation for formative assessments (2-20)
- 20 hours per semester
- Preparation for an examination (30-60)
- 60 hours per semester
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| prerequisite |
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| Knowledge |
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| Knowledge of - relation between power and energy, efficiency - complex power in single-phase and three-phase AC circuits, power factor - operating behavior of electric networks with regard to their topology and neutral earthing - parameters and equivalent circuits of power lines and transformers - basic principles of power generation - principle of AC arc extinguishing, principle of circuit breaker operation). |
| Skills |
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| - solution of basic DC and AC electric curcuits (phase currents, complex power, power factor, voltage drop, node voltages) |
| Competences |
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| N/A |
| N/A |
| N/A |
| N/A |
| learning outcomes |
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| Knowledge |
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| Knowledges Students are able: - to give reasons for design of Electric Power System (EPS) used in the Czech Republic, to compare reliability and other performance characteristics of EHV, HV, MV and LV networks - to give reasons for different way of system earthing and to compare dis-/advantages of system earthing arrangements - to compare reliability and other performance characteristics of overhead lines and underground cables; to identify power line components and to explain their purpose and design - to descibe parts of substations (buses, branches), configuration and construction od switchgears, equipment in branches, to draw single-line diagram of substations (substation layouts) and back-up operation - to descibe procedure of transformer rating with regard to supply reliability and operation energy losses - to compare switching capacity of circuit breakers, switches, disconnectors - to explain principles of fundamental protection devices and to review their application in power system - to compare performance characteristics of overvoltage protections, to explain the term: insulation coordination - to explain principle of power factor correction (PFC) and to compare performance characteristics of PFC equipment - to explain principle of power generation in thermal power plants and power plant using renewable energy sources, to draw and to describe simplified diagrams of coal and nuclear power plants. |
| Skills |
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| Skills Students are able: - to label detail parts of EPS, to find relationship among them and their importance for EPS failure-free operation. - to review suitability of supply system from the point of view supply reliability, voltage and power conditions in failure-free operation, and short-circuit conditions - to identify the way of earthing neutral on the basis of voltage and current conditions during line-to-ground fault and to calculate the fault current - to manipulate safety with equipment in branches (branch switching) - to calculate power, current and voltage conditions in practical examples of distribution systems (conditions in radial networks and feeders, supply transformer rating, short-curcuits). |
| teaching methods |
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| Knowledge |
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| Lecture |
| Multimedia supported teaching |
| Self-study of literature |
| Skills |
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| Practicum |
| assessment methods |
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| Knowledge |
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| Test |
| Combined exam |
| Skills |
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| Test |
| Competences |
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| Combined exam |
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Recommended literature
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Beran, Miloš. Elektrická zařízení tepelných elektráren. 1. vyd. Plzeň : VŠSE, 1988.
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Ibler, Zbyněk; Beran, Miloš. Elektrárny. 1. vyd. Plzeň : VŠSE, 1982.
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Matěna, Štěpán. Výroba a rozvod elektrické energie II. 1. vyd. Praha : SNTL, 1975.
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Matěna, Štěpán. Výroba a rozvod elektrické energie I. 2. upr. vyd. Praha : SNTL, 1978.
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Mertlová, Jiřina; Kocmich, Martin. Elektrické stanice a vedení. Plzeň : ZČU, 1997. ISBN 80-7082-356-9.
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Mertlová, Jiřina; Schejbal, Konstantin. Rozvodná zařízení. Plzeň : VŠSE, 1990. ISBN 80-7082-017-9.
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Schejbal, Konstantin; Mertlová, Jiřina. Elektroenergetika II. 1.část. 1. vyd. Plzeň : ZČU, 1998. ISBN 80-7082-451-4(1.
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Schejbal, Konstantin; Mertlová, Jiřina. Elektroenergetika II. 2. část. 1. vyd. Plzeň : ZČU, 1998. ISBN 80-7082-451-4(2.
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Štroblová, Milada. Elektroenergetika : podklady pro cvičení. 1. vyd. Plzeň : ZČU, 1998. ISBN 80-7082-464-6.
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Tesařová, Miloslava; Štroblová, Milada. Průmyslová elektroenergetika. Plzeň : Západočeská univerzita, 2000. ISBN 80-7082-703-3.
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