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Main menu for Browse IS/STAG
Course info
KEE / TPDE
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Course description
Department/Unit / Abbreviation
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KEE
/
TPDE
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Academic Year
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2023/2024
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Academic Year
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2023/2024
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Title
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Theory of El. Power Transm. and Distrib.
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Form of course completion
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Exam
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Form of course completion
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Exam
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Long Title
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Theory of Electrical Power Transmission and Distribution
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Accredited / Credits
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Yes,
5
Cred.
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Type of completion
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Combined
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Type of completion
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Combined
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Time requirements
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Lecture
3
[Hours/Week]
Tutorial
2
[Hours/Week]
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Course credit prior to examination
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Yes
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Course credit prior to examination
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Yes
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Automatic acceptance of credit before examination
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No
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Included in study average
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YES
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Language of instruction
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Czech, English
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Occ/max
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|
|
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Automatic acceptance of credit before examination
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No
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Summer semester
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0 / -
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0 / -
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0 / -
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Included in study average
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YES
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Winter semester
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15 / -
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0 / -
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0 / -
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Repeated registration
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NO
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Repeated registration
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NO
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Timetable
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Yes
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Semester taught
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Winter semester
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Semester taught
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Winter semester
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Minimum (B + C) students
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10
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Optional course |
Yes
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Optional course
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Yes
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Language of instruction
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Czech, English
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Internship duration
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0
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No. of hours of on-premise lessons |
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Evaluation scale |
1|2|3|4 |
Periodicity |
každý rok
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Evaluation scale for credit before examination |
S|N |
Periodicita upřesnění |
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Fundamental theoretical course |
Yes
|
Fundamental course |
No
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Fundamental theoretical course |
Yes
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Evaluation scale |
1|2|3|4 |
Evaluation scale for credit before examination |
S|N |
Substituted course
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None
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Preclusive courses
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N/A
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Prerequisite courses
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N/A
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Informally recommended courses
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N/A
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Courses depending on this Course
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KEE/SNEE
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Histogram of students' grades over the years:
Graphic PNG
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XLS
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Course objectives:
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To acquaint students with the mathematical procedures and models used for the calculation of current, voltage and power output relationship in the power system in symmetrical and asymmetric steady states in normal operation and in failures needed for network control and design and for network loss calculations depending on consumption at its nodes, as well.
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Requirements on student
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Credit: Correct solving of 7 individual works submitted during the semester and their submission to check according to the given schedule. Obtaining the required number of points from two credit tests (14 p. from available 30).
Pre-exam credit is not auromatically recognized! .
Examination: Getting under control problems presented on lectures in range defined by lecturer (or recommended for self study). Written solve the example, as well as written reports 3 questions from theoretical part, if necessary, an oral examination, as well.
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Content
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1. Introduction to the subject, characteristics of the electrical power system (ES) of the Czech Republic, voltage levels, types of transmission and distribution networks and the way of their operation - network solutions in terms of construction and mode of operation (wiring arrangement), network solution from the point of view of the transformer node to ground operational and economic importance.
2. Defining the electrical network (active, passive parameters) - nodes, branches. Calculation of passive parameters of overhead lines.
3. Transformers (two-wire, three-wire), label values, short-circuit and no-load state, replacement scheme, passive parameter calculation. Capacitors, Chokes.
4. Creation of substitute schematic of part of ES, assumptions of solution, conversion to one voltage level, conversion between proportional quantities and quantities in named (real) units, calculation of longitudinal impedances (reactances) of individual elements of the network.
5. Voltage, current and power conditions on the line, the possibility of neglecting some passive parameters, using two-port alternatives, phasor diagrams. Determination of power flows in a branch. Losses in the branch.
6. Voltage drop across lines (DC, DC - 1F and 3F, powered from one or both sides, with one or more sampling), definition, phasor diagram, calculation.
7. Solution of voltage, current and power ratios in electric networks - method of gradual simplification.
8. Solution of voltage, current and power ratios in n-node electric networks - method of nodal voltages, creation and comparison of properties of admittance and impedance matrices, derivation of equations of system operation.
9. Calculation of system operation using iterative methods (Gauss-Seidel, Newton-Raphson), comparison, flowcharts, solution procedure, convergence.
10. EC losses. Calculate network losses based on node sampling.
11. Failure states in electric networks (origin, division), symmetrical faults - three-phase short circuit. Course, effects and calculation of short-circuit currents. Dimensioning of equipment for the effects of (thermal, dynamic) short-circuit currents.
12. Unbalanced fault states, decomposition of asymmetric system to symmetrical components, disturbances.
13. Unbalanced fault conditions, longitudinal disturbances. Utilization of the method of joining simplified component replacement schemes for modeling various transverse and longitudinal faults.
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Activities
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Fields of study
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Studentům je k dispozici kurz v Moodle se všemi podstatnými informacemi a materiály, další materiály jsou k dispozici na Courseware ZČU.
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Guarantors and lecturers
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Literature
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Basic:
Mertlová, Jiřina; Hejtmánková, Pavla; Tajtl, Tomáš. Teorie přenosu a rozvodu elektrické energie. 1. vyd. Plzeň : Západočeská univerzita, 2004. ISBN 80-7043-307-8.
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Recommended:
Grigsby, Leonard L. Electric power generation, transmission, and distribution. 3rd ed. Boca Raton : CRC Press, 2012. ISBN 978-1-4398-5628-4.
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Recommended:
Weedy, Birron Mathew; Cory, B. J. Electric power systems. 4th ed. Chichester : John Wiley & Sons, 1998. ISBN 0-471-97677-6.
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Recommended:
Štroblová, M. Elektroenergetika - Podklady pro cvičení. ZČU, 1998.
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Recommended:
Kolcun, Michal; Haller, Rainer; Mühlbacher, Jan. Mathematical analysis of electrical networks. 1. vyd. Praha : BEN - technická literatura, 2004. ISBN 80-7300-098-9.
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Recommended:
Tlustý Josef. Monitorování, řízení a chránění elektrizačních soustav. Praha, 2011. ISBN 978-80-01-04940-2.
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Recommended:
Tlustý, Josef; Švec, Jan; Bannert, Petr; Brettschneider, Zbyněk; Kocur, Zbyněk; Mareček, Petr; Müller, Zdeněk; Sýkora, Tomáš. Návrh a rozvoj elektroenergetických sítí. Praha, 2011. ISBN 978-80-01-04939-6.
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Recommended:
Natarajan, Ramasamy. Power system capacitors. Boca Raton : Taylor & Francis, 2005. ISBN 1-57444-710-6.
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Recommended:
Grigsby, Leonard L. Power systems. 3rd ed. Boca Raton : CRC Press, 2012. ISBN 978-1-4398-5633-8.
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Recommended:
Pansini, Anthony J. Power transmission and distribution. 2nd ed. Lilburn : Fairmont Press, 2005. ISBN 0-8493-5034-4.
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Recommended:
Toman, Petr; Drápela, Jiří; Mišák, Stanislav; Orságová, Jaroslava; Paar, Martin; Topolánek, David. Provoz distribučních soustav. Praha, 2011. ISBN 978-80-01-04935-8.
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Recommended:
Beran, M., Hájek, J., Mertlová, J. Přenos a rozvod el. en. - Příklady. VŠSE, 1982.
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Recommended:
Hodinka, Fecko, Němeček. Přenos a rozvod el. energie. SNTL, 1989.
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Recommended:
Beran, Hájek, Mertlová. Přenos a rozvod el. energie. skripta VŠSE.
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Recommended:
Mertlová, Jiřina; Hejtmánková, Pavla; Kocmich, Martin. Přenos a rozvod elektrické energie. 1. vyd, dotisk. Plzeň : ZČU, 1997. ISBN 80-7082-222-8.
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Recommended:
Máslo, Karel a kolektiv. Řízení a stabilita elektrizační soustavy. Praha : AEM, 2013. ISBN 97880260446711.
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On-line library catalogues
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Time requirements
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All forms of study
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Activities
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Time requirements for activity [h]
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Practical training (number of hours)
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26
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Contact hours
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39
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Preparation for an examination (30-60)
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40
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Preparation for comprehensive test (10-40)
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20
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Preparation for formative assessments (2-20)
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12
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Total
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137
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Prerequisites
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Knowledge - students are expected to possess the following knowledge before the course commences to finish it successfully: |
to describe electric power concepts and laws |
to justify the concept of the Electric Power System of the Czech Republic |
to identify individual components of ES (overhead and cable lines, transformer), their function and design |
Skills - students are expected to possess the following skills before the course commences to finish it successfully: |
to apply secondary school and university mathematics to the solved problematics (e.g. to use symbolic-complex method) |
Competences - students are expected to possess the following competences before the course commences to finish it successfully: |
N/A |
N/A |
N/A |
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Learning outcomes
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Knowledge - knowledge resulting from the course: |
to characterize the electric power system (ES) of the Czech Republic in terms of both the design and operational solution of electrical networks (according to ordered wiring) at different voltage levels |
to characterize the transmission and distribution networks of the Czech Republic from the point of view of the transformer node interconnection with the ground, to explain the operational and economic importance |
define passive parameters of individual elements of ES (line, transformer, choke, capacitor) |
explain the procedure of creating a substitute schematic of ES parts of different complexity |
to explain methods for solving of voltage, current and power relationship on a line, i.e. be able to determine its active parameters |
to formulate mathematically the steady running of ES in symmetrical and asymmetric state and indicate the progress of its usable solutions in specific calculations |
to define, characterize and describe different types of faults occurring in ES |
Skills - skills resulting from the course: |
calculate the passive parameters of the specific overhead line or transformer |
to solve voltage and current conditions on lines for different voltage levels |
create an substitute scheme of any specified part of ES and use it in calculations of voltage, current and power output relationship in networks of different voltage levels in solving operational and fault conditions |
to solve the ES Load Flow in a steady state using the nodal voltage method and numerically using iterative methods (Newton-Raphson and Gauss-Seidl) |
to determine short-circuit relationships in different ES locations, to calculate short-circuit currents for the specific type of failure, to carry out the asymmetric decomposition (for U or I) into symmetrical components |
Competences - competences resulting from the course: |
N/A |
N/A |
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Assessment methods
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Knowledge - knowledge achieved by taking this course are verified by the following means: |
Combined exam |
Seminar work |
Test |
Skills - skills achieved by taking this course are verified by the following means: |
Combined exam |
Skills demonstration during practicum |
Seminar work |
Test |
Competences - competence achieved by taking this course are verified by the following means: |
Combined exam |
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Teaching methods
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Knowledge - the following training methods are used to achieve the required knowledge: |
Lecture |
Practicum |
One-to-One tutorial |
Skills - the following training methods are used to achieve the required skills: |
Lecture with visual aids |
Lecture supplemented with a discussion |
Practicum |
Task-based study method |
Skills demonstration |
Individual study |
One-to-One tutorial |
Discussion |
Interactive lecture |
Competences - the following training methods are used to achieve the required competences: |
Lecture |
Practicum |
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