First cycle
degree courses
Second cycle
degree courses
Single cycle
degree courses
School of Engineering
ELECTRICAL ENERGY ENGINEERING
Course unit
HIGH VOLTAGE TECHNIQUE
IN02108936, A.A. 2018/19

Information concerning the students who enrolled in A.Y. 2017/18

Information on the course unit
Degree course Second cycle degree in
ELECTRICAL ENERGY ENGINEERING
IN1979, Degree course structure A.Y. 2014/15, A.Y. 2018/19
N0
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Number of ECTS credits allocated 6.0
Type of assessment Mark
Course unit English denomination HIGH VOLTAGE TECHNIQUE
Website of the academic structure https://elearning.unipd.it/dii/course/view.php?id=769
Department of reference Department of Industrial Engineering
Mandatory attendance No
Language of instruction Italian
Branch PADOVA
Single Course unit The Course unit can be attended under the option Single Course unit attendance
Optional Course unit The Course unit can be chosen as Optional Course unit

Lecturers
Teacher in charge GIANCARLO PESAVENTO

ECTS: details
Type Scientific-Disciplinary Sector Credits allocated
Core courses ING-IND/33 Electrical Energy Systems 6.0

Course unit organization
Period First semester
Year 2nd Year
Teaching method frontal

Type of hours Credits Teaching
hours
Hours of
Individual study
Shifts
Lecture 6.0 48 102.0 No turn

Calendar
Start of activities 01/10/2018
End of activities 18/01/2019
Show course schedule 2019/20 Reg.2014 course timetable

Examination board
Board From To Members of the board
5 A.A. 2018/19 01/10/2018 30/11/2019 PESAVENTO GIANCARLO (Presidente)
GOBBO RENATO (Membro Effettivo)
FIORENTIN PIETRO (Supplente)
4 A.A. 2017/18 01/10/2017 30/11/2018 PESAVENTO GIANCARLO (Presidente)
GOBBO RENATO (Membro Effettivo)
FIORENTIN PIETRO (Supplente)

Syllabus
Prerequisites: Electrotechnics of stationary and transients regimes
Electrical measurements
Materials for electrical applications
Target skills and knowledge: Introduction the the problems of physical and technological nature related to the use of high electric fields within insulating systems. Practical applications in relation to generation and measurement of high voltages and to the components dedesign for the electric networks.
Examination methods: Oral examination
Assessment criteria: Knowledge of technological and physical problems in presence of high electric fields.
Applications to real cases connected to equipment in use in the electric networks.
Course unit contents: High Voltage Laboratories
Production of HV DC , AC and impulse voltages
Voltage multipliers, cascade transformers, Marx generator

Measurement of voltages, currents and electric field
Voltage dividers for the different voltage types
Analysis of the influence of the stray components and dynamic behaviour of impulse dividers

Gas insulated systems
Fundamentals of ionization processes and relevant parameters
Dielectric behaviour of SF6 and SF6/nitrogen mixtures
Influence of particles

Physics of the long spark in air
Streamer and leader development under Lightning and Switching impulses
AC and DC corona
Insulation behaviour in presence of pollution
Discharge mechanisms
Test methods
Influence of shape for different types of insulators
Solid, liquid and vacuum insulation
Discharge formation and propagation

Ageing mechanisms of insulating systems
Partial discharges

Overvoltages within electric network
Origin and propagation
Lightning induced overvoltages
Temporary and switching overvoltages

Insulation co-coordination
Conventional and statistical method
Examples of application
Planned learning activities and teaching methods: Theory lectures associated to examples of application and practical exercises in the HV laboratory
Textbooks (and optional supplementary readings)