Course detail

Power transmission networks

FEKT-LPRSAcad. year: 2010/2011

Basic issues related to power transmission. Solution of stabilized state transmission power networks. Determination of characteristic values of short-circuit currents in asymmetrical failures.

Language of instruction

Czech

Number of ECTS credits

Mode of study

Not applicable.

Guarantor

doc. Ing. Vladimír Blažek, CSc.

Department

Department of Electrical Power Engineering (UEEN)

Learning outcomes of the course unit

The students will acquire the basic information about power transmission and will increase their knowledge level in terms of the calculation of symmetrical and asymmetrical short circuits.

Prerequisites

The subject knowledge on the Bachelor´s degree level is requested.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Requirements for completion of a course are specified by a regulation issued by the lecturer responsible for the course and updated for every.

Course curriculum

Not applicable.

Work placements

Not applicable.

Aims

To make the students familiar with basic issues of power transmission.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Not applicable.

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme EEKR-ML Master's

    branch ML-EEN , 1 year of study, winter semester, compulsory

  • Programme EEKR-CZV lifelong learning

    branch EE-FLE , 1 year of study, winter semester, compulsory

Type of course unit

 

Lecture

39 hod., compulsory

Teacher / Lecturer

doc. Ing. Vladimír Blažek, CSc.

Syllabus

Introduction. Power lines with distributed parameters, distribution of voltage and current along a steady state power line.
Voltage and current waves along steady state power line with distributed parameters.
Some chosen and steady-state operation states on a power line with distributed parameters.
Replacement of a distributed parameter power line against a simple-type four-terminal network, and the solution of the same.
Maathematical modelling of a HV system as a total. Power equation and specification of the system operation modes.
Calculation procedures when solving the steady-state of a HV power system.
Transients in an energy scheme; definitions, distribution, solution modes. Three-phase short circuit supplied from an ideal power source.
Some chosen characteristic values of a short-circuit current. Mathematical model of a synchronous machine finding itself in transient state.
Stator current of a synchronous machine and an asynchronous motor in case of a short circuit close to their terminals. Characteristic values these currents may achieve.
Simplified assumptions to be used in practical calculation of short circuit characteristic current values.
Mathematical model of an energy scheme used for the determination of surge currents in case of symmetrical faults. Simplified calculation procedures.
Types of asymmetry to appear in short-circuit faults, and their solution by using symmetrical components.
Mathematical model of an energy scheme used for the determination of surge currents in asymmetrical faults.

Fundamentals seminar

16 hod., compulsory

Teacher / Lecturer

doc. Ing. Vladimír Blažek, CSc.

Syllabus

Calculation methods on HV an UHV power lines.
Calculation by using substitutional four-terminal power networks.
Power line cascading and transformer.
Calculation of symmetrical short circuits.
Calculation of symmetrical short circuits.
Calculation of asymmetrical short circuits.
Calculation of asymmetrical short circuits.
Calculation of asymmetrical short circuits.

Exercise in computer lab

4 hod., compulsory

Teacher / Lecturer

doc. Ing. Vladimír Blažek, CSc.

Syllabus

Calculation of a steady-state operation of a simple-type HV power network by using PCs.
Calculation of asymmetrical short circuits in power transmission systems by using PCs.

Laboratory exercise

6 hod., compulsory

Teacher / Lecturer

doc. Ing. Vladimír Blažek, CSc.

Syllabus

Determination of Blondel constants of a four-terminal network.
Measurement of symmetrical short circuits at a DC model.
Measurement of asymmetrical short circuits at a DC model.