Course detail

High Voltages Technology

FEKT-MKC-TVNAcad. year: 2022/2023

Electric field modeling. Dielectric properties of solid and liquid dielectrics. Electric shocks. HV test sources. High voltage measurement. Overvoltage and coordination of insulation in the electrical system. Laboratory measurement / testing / diagnostics of high voltage equipment. Diagnostic methods - measurement of partial discharges and measurement of electrical parameters by electronic bridge. HVDC.

Language of instruction

Czech

Number of ECTS credits

Mode of study

Not applicable.

Guarantor

Ing. Michal Krbal, Ph.D.

Department

Department of Electrical Power Engineering (UEEN)

Learning outcomes of the course unit

The aim of the course is to teach students the basic problems of high voltage technology.

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. Techning methods include lectures, computer laboratories and practical laboratories (in present form). Course is taking advantage of e-learning (Moodle) system.

Assesment methods and criteria linked to learning outcomes

Coursework: max. 40 points (Numerical exercises (homework) 10 points, Laboratories (laboratory protocol) 30 points).
Requirement for the credit: min. 20 points.
Final Examination: max. 60 points.

Course curriculum

1) Introduction, electric field distribution.
2) High voltage and current measurement. Voltage measurement by electrodes and by capacitive and resistive voltage dividers. Current measurement by impulse coaxial shunt resistors.
3) The equipment of HV laboratories.
4) Terms used in high voltage technology, basic principles and types of discharges.
5) DC, AC and impulse test sources. Types of voltage and current impulses, chopping gap.
6) Test carried out in HV laboratories. Testing of insulators, surge arresters, cables. Measurement of electric strength of insulators.
7) High voltage multipliers and bond wires.
8) High frequency high voltage laboratory sources, Tesla coil.
9) Wireless electric energy transfer.
10) The principles of measurement and evaluation of partial discharge (PD).
11) Electrostatics and Maxwell's equations.
12) Discharges in an inhomogeneous electric field, distribution of impulse of across the coil, the electric field distribution on insulator chain.
13) Atmospheric discharges and line protection.

Work placements

Not applicable.

Aims

The aim of the course is to teach students the basic problems of high voltage technology.

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

Mach - Technika vysokých napětí, skripta, 2006 (CS)
Antonín Veverka - Technika vysokých napětí (CS)
Vladimír Blažek - Vysoké napětí a elektrické přístroje, skripta (CS)