410-4119/01 – Electrical Apparatus II (EP II)

Gurantor departmentDepartment of Electrical Power EngineeringCredits6
Subject guarantorIng. Petr Kačor, Ph.D.Subject version guarantorIng. Petr Kačor, Ph.D.
Study levelundergraduate or graduateRequirementChoice-compulsory
Year1Semesterwinter
Study languageCzech
Year of introduction2014/2015Year of cancellation
Intended for the facultiesFEIIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
HYT30 Ing. Zdeněk Hytka, CSc.
KAC37 Ing. Petr Kačor, Ph.D.
MOL03 Ing. Petr Moldřík, Ph.D.
POR06 Ing. Roman Portužák, CSc.
SIK07 Ing. Tadeusz Sikora, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 2+4
Combined Credit and Examination 8+17

Subject aims expressed by acquired skills and competences

Studens know electrical terminology of electrical devices. They also will describe the basic design of electric devices, setting of tripping units, measurement of basic characteristic and practical using of electric devices in area of electrical power engineering and electric driving systems.

Teaching methods

Lectures
Tutorials

Summary

This course follows the Electrical Apparatus course. This subject amount of protection, fuse and circuit breaker constructions are deal with. Function of contactors in electrical circuit and their construction. Overvoltage in power system and overvoltage diverters. Design and project power resistors, inductors and capacitors. There is also discussed basic problems of electric contacts and DC and AC electromagnets.

Compulsory literature:

1. Mason, J.R.: Switch engineering handbook, New York, 1993 2. Slade, P. G. - Electrical Contacts, CRC Press, 1999, ISBN: 0824719344 3. Flurscheim, Ch. H. - Power Circuit Breaker Theory and Design, IEE, 1982, ISBN: 0906048702 4. Nakanishi - Switching Phenomena in High-Voltage Circuit Breakers, CRC Press, 1991, ISBN: 0824785436 5. Tajev, I.S.: Električeskije apparaty, Moskva, Energija 1977

Recommended literature:

1. Flurscheim, Ch. H. - Power Circuit Breaker Theory and Design, IEE, 1982, ISBN: 0906048702 2. Nakanishi - Switching Phenomena in High-Voltage Circuit Breakers, CRC Press, 1991, ISBN: 0824785436

Way of continuous check of knowledge in the course of semester

Conditions for credit: Protocols of measurments and calculations. Proof.

E-learning

Další požadavky na studenta

There are no other requirements on the student.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: 1.Transients effects and their influences to design and operation of electric apparatus 2.Protection of electric circuits, fuses, circuit-breakers, current limiting function, I2t let-through energy 3.Fuse - basic design, operation, time interval of electric arc burning, extinquishing of electric arc 4.Circuit Breakers - basic design, operation, tripping units, electromagnetic trip 5.Contactors - basic design, operation, life cycle, basic wiring of electric circuits with contactors 6.Selectivity, protection, setting of protection units 7.Conductors - conductors design, skin-effect, DC and AC resistance 8.Electrical contacts - basic design, basic types of contacts, used materials 9.Electromagnet - design, energy converter 10.DC and AC electromagnet - static and transient force characteristic 11.Separators, electromagnetic holders, permanet magnets Exercises: Basic design of contacts of switching aparatus Basic design and computing of DC electromagnet Final Test Laboratories: Measurement of thermal trip of low voltage circuit breaker Measurement of temperature rise of low voltage circuit breaker Measurement of let-through energy of low voltage circuit breaker Measurement and wiring of electrical contactors

Conditions for subject completion

Full-time form (validity from: 2014/2015 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 40  20
        Examination Examination 60  11
Mandatory attendence parzicipation: Compulsory participation in laboratory excersises

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2019/2020 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2019/2020 (N0713A060003) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory type A study plan
2019/2020 (N0713A060003) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory type A study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2018/2019 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2017/2018 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2016/2017 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2015/2016 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2014/2015 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner