453-0507/01 – Sytems of Electrical Machines Protection (SOES)

Gurantor departmentDepartment of Electrical Machines and ApparatusCredits4
Subject guarantorIng. Václav Čech, Ph.D.Subject version guarantorIng. Václav Čech, Ph.D.
Study levelundergraduate or graduateRequirementChoice-compulsory
Year3Semesterwinter
Study languageCzech
Year of introduction2003/2004Year of cancellation2010/2011
Intended for the facultiesFEIIntended for study typesBachelor
Instruction secured by
LoginNameTuitorTeacher giving lectures
OLS10 Ing. Jindřich Olšanský
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 2+2
Combined Credit and Examination 2+2

Subject aims expressed by acquired skills and competences

Student knows to apply varies types of protection devices to electric machines and knows to design and to operate these protection apparatus.

Teaching methods

Lectures
Tutorials
Experimental work in labs
Other activities

Summary

Electrical machines protection apparatus based on electro-mechanical, analog nad digital principles as well as their integration to higher operation systems are studied.

Compulsory literature:

Feinbeg,R.:Modern power transformer practice, John Wiley & Sons, New York 1980

Recommended literature:

Chladný, Vl., Hudák, D. - Ochrany v elektrizačných sústavách, skriptum ALFA Bratislava, 1977 Chladný, Vl.: Ochrany v elektrizačných sústavách, skriptum VŠT Košice, 1983

Way of continuous check of knowledge in the course of semester

Conditions for credit: Classification on points Participation on laboratory excercises All protocols of laboratory works Test results

E-learning

Další požadavky na studenta

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: Introduction to principles of protection devices of electric machines. Necessity of protection of electric machines, drives, insulation systems and its heating resistance. Voltage stress, influence of nonsinusoidal supplying. Definition of energy systems, dividing, sorting - sorting according with voltage. - switching station calculation. Electric machines characteristic. Current and torque overload capacity of types of machines, start up current and limitation.Connection diagrams and its function. Apparatus for electric machines protection-breakers, circuit breakers, voltage and current measurable transformers.Dimensioning of outer circuits. Classification of protections of electric machins according to function, contact with superior system - overcurrent, heat, undervoltage, overvoltage, direct, electronic protection. Simple circuit with protection. Connection of protection in energy systems. Low voltage system - circuit with protections. Protection setting - overcurrent, heat, undervoltage. HV system (6 kV) - simple distribution with protections - practical connection, testing. Protection adjusting - direct, electronic, Buchholz relais and special.MV system - practical connection, testing. Protection selectivity. Analysis of complicated superior system, connection and selectivity. HV system - connection, testing. Frequent connections of protection in energy system. From network to motors.Practical connection, testing. odzkoušení. Relationship of short-circuit currents with protection devices. Calculation of protection. Superior systems of protection by graet enterprises. Computer control of protections. Protection structure. Indirect protections. Dimensioning of protections. Network, short circuit power output in accordance with insalled electrical machines. Laboratories: Catalogues. Important values calculation. Connection of protections to system. Systems and calculations, protocol. Systems and calculations, protocol. Systems and calculations, protocol. Systems and calculations, protocol. Systems and calculations, protocol. Systems and calculations, protocol. Calculation of combined protections. Protection control.

Conditions for subject completion

Full-time form (validity from: 1960/1961 Summer 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
        Examination Examination 55  0
        Exercises evaluation Credit 45  0
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2009/2010 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives P Czech Ostrava 3 Choice-compulsory study plan
2009/2010 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives K Czech Ostrava 3 Choice-compulsory study plan
2008/2009 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives P Czech Ostrava 3 Choice-compulsory study plan
2008/2009 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives K Czech Ostrava 3 Choice-compulsory study plan
2007/2008 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives P Czech Ostrava 3 Choice-compulsory study plan
2007/2008 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives K Czech Ostrava 3 Choice-compulsory study plan
2006/2007 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives P Czech Ostrava 3 Choice-compulsory study plan
2006/2007 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives K Czech Ostrava 3 Choice-compulsory study plan
2005/2006 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives P Czech Ostrava 3 Choice-compulsory study plan
2005/2006 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives K Czech Ostrava 3 Choice-compulsory study plan
2004/2005 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives P Czech Ostrava 3 Choice-compulsory study plan
2004/2005 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives K Czech Ostrava 3 Choice-compulsory study plan
2003/2004 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives P Czech Ostrava 3 Choice-compulsory study plan
2003/2004 (B2645) Electrical Engineering, Communication and Computer Systems (2642R004) Electrical Machines Apparatus and Drives K Czech Ostrava 3 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner