Electrical Materials Science and High Voltage Engineering
Description: The discipline examines the basic properties and scope of application of materials used in the electric power industry. The aggregate state, atomic structure of electrical materials, and defects in them are considered. Data on the basic properties and scope of application of dielectrics, semiconductors, conductors, and magnetic materials are given. Issues of external and internal insulation of high-voltage installations are also considered. Overvoltage protection measures and lightning protection measures are discussed. Overvoltage types, insulation coordination, insulation testing, and insulation diagnostic types.
Amount of credits: 6
Course Workload:
Types of classes | hours |
---|---|
Lectures | 30 |
Practical works | 30 |
Laboratory works | |
SAWTG (Student Autonomous Work under Teacher Guidance) | 30 |
SAW (Student autonomous work) | 90 |
Form of final control | Exam |
Final assessment method | In writing |
Component: University component
Cycle: Base disciplines
Goal
- The purpose of the discipline "Electrical materials science and high voltage engineering" is to form students' theoretical knowledge and practical skills in the field of materials science and overvoltage in high voltage installations. Obtaining knowledge on the characteristics and properties of materials used in electrical installations. During the study of this discipline, students should be trained to assess insulation strength and overvoltage levels.
Objective
- The objective of the course is to study the properties, structure and classification of modern electrical materials and to study the main characteristics of processes under the influence of an electromagnetic field, heat, humidity, chemical environment and other operational factors
- Study of issues of external and internal overvoltages arising during the operation of high-voltage electrical installations, means and methods of testing high-voltage insulation structures;
- To possess methods of diagnostics of isolation of high voltage equipment; to provide lightning protection of substation, methods of calculation of internal overvoltages and protection against them
Learning outcome: knowledge and understanding
- After studying the discipline, the student should be able to determine the structures and properties of materials that are further used in electrical engineering; know the basic terminology, concepts and definitions; know the properties and scope of modern electrical materials; the student should understand that the reliability of the power system directly depends on the electrical material from which the right choice is made; get theoretical knowledge of the occurrence of internal and external overvoltages; possession of measures to protect electrical installations from overvoltage.
Learning outcome: applying knowledge and understanding
- After studying this discipline, the student should know the structure, properties of materials that are used in modern electrical equipment and independently choose the types of materials for their intended purpose; students should know the values of lightning and internal overvoltages affecting insulation, be able to assess the electrical strength of the simplest insulating structures, know the norms and methods of testing electrical insulation, learn the necessary information about processes that lead to deterioration of insulation characteristics during its operation, as well as measures to protect against overvoltage.
Learning outcome: formation of judgments
- After studying the discipline "Electrical Materials Science and high voltage engineering", the student can independently answer the questions that arise when choosing the type of materials, and solve the problems that arise during the operation of this material
- Know methods and means of limiting overvoltage
Learning outcome: communicative abilities
- Intelligence, organization, ability to work in a team, observation
Learning outcome: learning skills or learning abilities
- the student can independently solve the tasks set according to the plan, perform individual tasks, prepare articles and publications
Teaching methods
In the conditions of credit technology of training, classes should be conducted mainly in active and creative forms. Among the effective pedagogical techniques and technologies that contribute to the involvement of students in the search and management of knowledge, the acquisition of experience in solving problems independently, it should be highlighted: -technology of problem- and project-oriented learning; -technologies of educational and research activities; - communication technologies (discussion, press conference, brainstorming, educational debates and other active forms and methods); - case study method (situation analysis); -game technologies, in which students participate in business, role-playing, simulation games; - information and communication (including distance education) technologies.
Assessment of the student's knowledge
Teacher oversees various tasks related to ongoing assessment and determines students' current performance twice during each academic period. Ratings 1 and 2 are formulated based on the outcomes of this ongoing assessment. The student's learning achievements are assessed using a 100-point scale, and the final grades P1 and P2 are calculated as the average of their ongoing performance evaluations. The teacher evaluates the student's work throughout the academic period in alignment with the assignment submission schedule for the discipline. The assessment system may incorporate a mix of written and oral, group and individual formats.
Period | Type of task | Total |
---|---|---|
1 rating | Lecture notes. topics 1-7 | 0-100 |
independent work (dielectric materials, conductor materials) | ||
independent work (semiconductor materials, magnetic materials) | ||
Control work1 | ||
Control work2 | ||
Testing (control 1) | ||
calculation and graphic work | ||
2 rating | Lecture notes. topics 8-15 | 0-100 |
Testing (control 2) | ||
Independent work1(topic 5) | ||
Independent work1(topic 6) | ||
Independent work1(topic 7) | ||
Independent work1(topic 8) | ||
Individual homework | ||
Total control | Exam | 0-100 |
The evaluating policy of learning outcomes by work type
Type of task | 90-100 | 70-89 | 50-69 | 0-49 |
---|---|---|---|---|
Excellent | Good | Satisfactory | Unsatisfactory | |
Work in practical classes | complete practical work in full compliance with the necessary sequence of actions; follows the answer with new examples, is able to apply knowledge in a new situation. When answering questions, he correctly understands the essence of the question, gives accurate definition and interpretation of the main concepts | fulfilled the requirements for a “5” grade, but 2-3 shortcomings were made; the student can correct them independently or with a little help from the teacher; the answer was given without applying knowledge to a new situation | did not complete the work completely, but not less than 50% of the volume of practical work, which allows you to obtain the correct results and conclusions; Errors were made during the work. When answering questions, the student correctly understands the essence of the question, but in the answer there are some problems in mastering the course questions that do not interfere with further mastery of the program material | complete practical work in full compliance with the necessary sequence of actions; follows the answer with new examples, is able to apply knowledge in a new situation. When answering questions, he correctly understands the essence of the question, gives accurate definition and interpretation of the main concepts |
Various types of colloquia (oral, written, combined, express) | has theoretical knowledge, terminology, and basic laws of this course; logically and consistently explains the essence of phenomena and processes; gives examples, shows fluency in monologue speech and the ability to quickly respond to clarifying questions. | has theoretical knowledge, terminology, and basic laws of this course; logically and consistently explains the essence of phenomena and processes; gives examples, shows fluency in monologue, but at the same time makes minor mistakes, which he corrects independently or with minor correction by the teacher. | demonstrates shallow theoretical knowledge, insufficient ability to draw reasoned conclusions and give examples, shows insufficient fluency in monologue speech, terminology, logic and consistency of presentation, makes mistakes that can only be corrected by correction by the teacher. | has theoretical knowledge, terminology, and basic laws of this course; logically and consistently explains the essence of phenomena and processes; gives examples, shows fluency in monologue speech and the ability to quickly respond to clarifying questions. |
Interview for control questions | has theoretical knowledge, terminology, and basic laws of this course; logically and consistently explains the essence of phenomena and processes; gives examples, shows fluency in monologue speech and the ability to quickly respond to clarifying questions. | has theoretical knowledge, terminology, and basic laws of this course; logically and consistently explains the essence of phenomena and processes; gives examples, shows fluency in monologue, but at the same time makes minor mistakes, which he corrects independently or with minor correction by the teacher. | demonstrates shallow theoretical knowledge, insufficient ability to draw reasoned conclusions and give examples, shows insufficient fluency in monologue speech, terminology, logic and consistency of presentation, makes mistakes that can only be corrected by correction by the teacher. | has theoretical knowledge, terminology, and basic laws of this course; logically and consistently explains the essence of phenomena and processes; gives examples, shows fluency in monologue speech and the ability to quickly respond to clarifying questions. |
Tasks in test form for border control | 100-90% correct answers | 89-70% correct answers | 69-50% correct answers | 100-90% correct answers |
Evaluation form
The student's final grade in the course is calculated on a 100 point grading scale, it includes:
- 40% of the examination result;
- 60% of current control result.
The final grade is calculated by the formula:
FG = 0,6 | MT1+MT2 | +0,4E |
2 |
Where Midterm 1, Midterm 2are digital equivalents of the grades of Midterm 1 and 2;
E is a digital equivalent of the exam grade.
Final alphabetical grade and its equivalent in points:
The letter grading system for students' academic achievements, corresponding to the numerical equivalent on a four-point scale:
Alphabetical grade | Numerical value | Points (%) | Traditional grade |
---|---|---|---|
A | 4.0 | 95-100 | Excellent |
A- | 3.67 | 90-94 | |
B+ | 3.33 | 85-89 | Good |
B | 3.0 | 80-84 | |
B- | 2.67 | 75-79 | |
C+ | 2.33 | 70-74 | |
C | 2.0 | 65-69 | Satisfactory |
C- | 1.67 | 60-64 | |
D+ | 1.33 | 55-59 | |
D | 1.0 | 50-54 | |
FX | 0.5 | 25-49 | Unsatisfactory |
F | 0 | 0-24 |
Topics of lectures
- Classification of electrical materials according to their properties and fields of application
- Polarization of dielectrics and physical and mechanical properties of electrical insulating materials
- The aggregate states of dielectrics
- The main characteristics of conductive materials and their classification
- Metals and alloys with an average melting point
- Semiconductor materials
- Magnetic materials
- Isolation and overvoltage or high voltage engineering
- Electrical strength of gas discharge gaps
- The main types and electrical characteristics of the internal insulation of electrical installations
- Short-term and long-term electrical strength of internal insulation of electrical installations
- Monitoring system and diagnostics of internal insulation
- Types of overvoltage
- Lightning protection of power transmission lines
- Voltage on insulation protected by valve arresters or surge arresters
Key reading
- Угольников, А. В. Электротехническое материаловедение : учебное пособие / А. В. Угольников. — Саратов : Ай Пи Ар Медиа, 2019. — 85 c. — ISBN 978-5-4497-0021-6.
- Целебровский, Ю. В. Электротехническое материаловедение. Сборник практических заданий : учебное пособие / Ю. В. Целебровский, Н. А. Черненко. — Новосибирск : Новосибирский государственный технический университет, 2016. — 147 c. — ISBN 978-5-7782-2895-5.
- Электротехническое и конструкционное материаловедение : учебное пособие по курсу «Электротехническое и конструкционное материаловедение» для студентов дневной формы обучения направления подготовки 140400.62 - Электроэнергетика и электротехника / составители Е. В. Шопина, А. А. Стативко. — Белгород : Белгородский государственный технологический университет им. В.Г. Шухова, ЭБС АСВ, 2011. — 123 c.
- Музылева, И. В. Электротехническое и конструкционное материаловедение. Полупроводниковые материалы и их применение : учебное пособие / И. В. Музылева. — Липецк : Липецкий государственный технический университет, ЭБС АСВ, 2014.
- Музылева, И. В. Электротехническое и конструкционное материаловедение. Диэлектрические материалы и их применение : учебное пособие / И. В. Музылева, Т. В. Синюкова. — Липецк : Липецкий государственный технический университет, ЭБС АСВ, 2014. — 64 c. — ISBN 978-5-88247-720-1.
- Угольников, А. В. Электротехническое и конструкционное материаловедение : учебник / А. В. Угольников. — Саратов : Ай Пи Ар Медиа, 2019. — 188 c. — ISBN 978-5-4497-0022-3.
- Бочаров, Ю. Н. Техника высоких напряжений : учебное пособие / Ю. Н. Бочаров, С. М. Дудкин, В. В. Титков. — Санкт-Петербург : Санкт-Петербургский политехнический университет Петра Великого, 2013. — 265 c. — ISBN 978-5-7422-3998-7.
- Щеглов, Н. В. Электрооборудование высокого напряжения и его эксплуатация : учебное пособие / Н. В. Щеглов. — Новосибирск : Новосибирский государственный технический университет, 2017. — 139 c. — ISBN 978-5-7782-3461-1.
- Савина, Н. В. Техника высоких напряжений. Перенапряжения и защита от них : учебное пособие / Н. В. Савина. — Благовещенск : Амурский государственный университет, 2015. — 191 c.
Further reading
- 1.Техника высоких напряжений. Учебное пособие. Борисов В.Н. – Алма- ты: АИЭС, 2011г. 2. Техника высоких напряжений. Перенапряжения и изоляция. Конспект лекций. Борисов В.Н., Оржанова Ж.К. – Алматы:АИЭС, 2010г. 3. Техника высоких напряжений. Методические указания и задания к РГР. Борисов В.Н., Оржанова Ж.К., Бекмагамбетова К.Х. – Алматы: АУЭС, 2011г. 4. Техника высоких напряжений. Методические указания к выполнению лабораторных работ. Борисов В.Н., Оржанова Ж.К. – Алматы: АИЭС, 2014г. 5. К.Х. Бекмагамбетова. Электротехническое материаловедение//Алматы: «Ғылым»,2000.-256 с 6. В.В.Пасынков, В.С. Сорокин. Материалы электронной техники//М.: Высшая школа, 1990.-306 с. 7. Б.Л. Антипов, В.С.Сорокин, В.А.Терехов. Материалы электронной техники.Задачи и вопросы//М.: Высшая школа, 1990.-208 с. 8. А.С. Серебряков. Электротехническое материаловедение. Электроизоляционные материалы//–М.: Маршрут, 2005. –280 с