|
|
Main menu for Browse IS/STAG
Course info
KET / DPS
:
Course description
Department/Unit / Abbreviation
|
KET
/
DPS
|
Academic Year
|
2023/2024
|
Academic Year
|
2023/2024
|
Title
|
Dielectric Elements and Systems
|
Form of course completion
|
Exam
|
Form of course completion
|
Exam
|
Accredited / Credits
|
Yes,
5
Cred.
|
Type of completion
|
Written
|
Type of completion
|
Written
|
Time requirements
|
Lecture
3
[Hours/Week]
Tutorial
1
[Hours/Week]
|
Course credit prior to examination
|
Yes
|
Course credit prior to examination
|
Yes
|
Automatic acceptance of credit before examination
|
Yes in the case of a previous evaluation 4 nebo nic.
|
Included in study average
|
YES
|
Language of instruction
|
Czech
|
Occ/max
|
|
|
|
Automatic acceptance of credit before examination
|
Yes in the case of a previous evaluation 4 nebo nic.
|
Summer semester
|
0 / -
|
0 / -
|
0 / -
|
Included in study average
|
YES
|
Winter semester
|
0 / -
|
0 / -
|
0 / -
|
Repeated registration
|
NO
|
Repeated registration
|
NO
|
Timetable
|
No
|
Semester taught
|
Winter + Summer
|
Semester taught
|
Winter + Summer
|
Minimum (B + C) students
|
10
|
Optional course |
Yes
|
Optional course
|
Yes
|
Language of instruction
|
Czech
|
Internship duration
|
0
|
No. of hours of on-premise lessons |
|
Evaluation scale |
1|2|3|4 |
Periodicity |
každý rok
|
Evaluation scale for credit before examination |
S|N |
Periodicita upřesnění |
|
Fundamental theoretical course |
No
|
Fundamental course |
No
|
Fundamental theoretical course |
No
|
Evaluation scale |
1|2|3|4 |
Evaluation scale for credit before examination |
S|N |
Substituted course
|
KES/DPS
|
Preclusive courses
|
N/A
|
Prerequisite courses
|
N/A
|
Informally recommended courses
|
N/A
|
Courses depending on this Course
|
KET/SZET
|
Histogram of students' grades over the years:
Graphic PNG
,
XLS
|
Course objectives:
|
Dielectric circuits of the electrical appliances and their reliability. Physical principals of the interactions of the electrical field and dielectrics. Phenomenon in dielectric materials in interaction with electrical field ? polarizations, dielectric absorption and conductivity. Active, constructions and auxiliary components of dielectric systems ? features and dependencies.
|
Requirements on student
|
Credit recognition: student is required to attend all seminars, acceptation of seminar works by tutorial lecturer. The examination comprises written and oral part.
|
Content
|
Lectures: 1. Dielectric and insulating materials, dielectric systems of electrical machines, reliability and safety. 2. Interaction between materials and electrical field, polarization of dielectrics from macroscopic and microscopic point of view. 3. Internal field, polarization and its classification. 4. Deformation polarization, relaxation polarization, model of potential barrier, ionic and dipole relaxation polarization. 5. Migration polarization, space charge and its influence on dielectric behavior, mathematical description of inhomogeneous dielectric behavior, Maxwell-Wagner model of dielectrics. 6. Dielectrics in static electrical field. 7. Dielectrics in non-stationary electrical field, dielectric dispersion, Cole-Cole diagram. 8. Dielectric absorption, electrical conductivity of gas insulating materials. 9. Electrical conductivity of liquid insulating materials and its thermal dependence, Walden´s rule. 10. Electrical conductivity of solid insulating materials and its surface conductivity. 11. Dielectric losses in gas, liquid and solid insulating materials. 12. Specific dielectric strength of gas, liquid and solid insulating materials. 13. Classification of insulating materials and systems according to thermal endurance.
Laboratories: 1. Conductors, components of dielectric systems (composite materials, slot insulations, Nomex, Röchling, Kapton?). 2. Demonstration of materials and material catalogues. 3. Insulating systems VPI and Resin-Rich. 4. Theoretical preparation of Cole-Cole diagram measurement. 5. Measurement of Cole-Cole diagram in frequency range from 50 Hz to 300 kHz on selected materials. 6. Measurement of Cole-Cole diagram in frequency range from 300 kHz to 30 MHz on selected materials. 7. Check and correction of seminar works, credit recognition.
|
Activities
|
|
Fields of study
|
|
Guarantors and lecturers
|
-
Guarantors:
Prof. Ing. Pavel Trnka, Ph.D., MBA (100%),
-
Lecturer:
Prof. Ing. Václav Mentlík, CSc. (100%),
Prof. Ing. Radek Polanský, Ph.D. (100%),
Prof. Ing. Pavel Trnka, Ph.D., MBA (100%),
-
Tutorial lecturer:
Ing. Jaroslav Hornak, Ph.D. (100%),
Prof. Ing. Václav Mentlík, CSc. (100%),
Prof. Ing. Radek Polanský, Ph.D. (100%),
Prof. Ing. Pavel Trnka, Ph.D., MBA (100%),
|
Literature
|
-
Basic:
Mentlík, Václav. Dielektrické prvky a systémy. Praha : BEN - technická literatura, 2006. ISBN 80-7300-189-6.
-
Recommended:
Poljak, F. Dielektriká a izolanty.. ALFA Bratislava, 1983.
-
Recommended:
Fofana, I. Engineering Dielectric Liquid Applications. MDPI ? Basel&Beijing, 2018. ISBN 978-3-03897-402-4.
-
Recommended:
Artbauer, Ján; Adamec, Vladimír; Šedovič, Juraj. Izolanty a izolácie. 1. vyd. Bratislava : Alfa, 1969.
-
Recommended:
Petr, J. Struktura a vlastnosti materiálů II, Izolanty. [skripta]. ČVUT Praha, 1989.
-
On-line library catalogues
|
Time requirements
|
All forms of study
|
Activities
|
Time requirements for activity [h]
|
Contact hours
|
39
|
Preparation for an examination (30-60)
|
40
|
Graduate study programme term essay (40-50)
|
40
|
Practical training (number of hours)
|
13
|
Total
|
132
|
|
Prerequisites
|
Knowledge - students are expected to possess the following knowledge before the course commences to finish it successfully: |
explain the basics of theory of electrical engineering and theory of electrostatic field |
Skills - students are expected to possess the following skills before the course commences to finish it successfully: |
assess dielectric properties of a material |
apply skills in the field of electrical measurements |
apply the knowledge of the basics of electrical engineering |
recognize different dielectric phenomena |
Competences - students are expected to possess the following competences before the course commences to finish it successfully: |
N/A |
N/A |
N/A |
|
Learning outcomes
|
Knowledge - knowledge resulting from the course: |
describe principles of physical view of dielectrics and insulating materials behavior during its interaction with electrical field |
describe changes in behavior of these key components of electrical machines during its interaction with operating conditions and also describe mutual relations between structure of insulation materials and influence of operating conditions |
describe fundamental measuring methods for measurement of characteristic properties of electrical insulating materials |
describe dielectric phenomena |
describe the formation of charge carriers in dielectrics |
Skills - skills resulting from the course: |
analyze dielectric phenomena |
analyze polarization phenomena |
Competences - competences resulting from the course: |
N/A |
N/A |
N/A |
|
Assessment methods
|
Knowledge - knowledge achieved by taking this course are verified by the following means: |
Combined exam |
Individual presentation at a seminar |
Seminar work |
Skills - skills achieved by taking this course are verified by the following means: |
Seminar work |
Skills demonstration during practicum |
Competences - competence achieved by taking this course are verified by the following means: |
Combined exam |
Skills demonstration during practicum |
|
Teaching methods
|
Knowledge - the following training methods are used to achieve the required knowledge: |
Self-study of literature |
Interactive lecture |
Seminar classes |
Skills - the following training methods are used to achieve the required skills: |
Laboratory work |
Seminar classes |
Competences - the following training methods are used to achieve the required competences: |
Laboratory work |
Interactive lecture |
Seminar classes |
|
|
|
|