410-4101/01 – Theory of Electrical Machines (TES)

Gurantor departmentDepartment of Electrical Power EngineeringCredits8
Subject guarantorIng. Petr Kačor, Ph.D.Subject version guarantorIng. Petr Kačor, Ph.D.
Study levelundergraduate or graduateRequirementChoice-compulsory
Year1Semesterwinter
Study languageCzech
Year of introduction2010/2011Year of cancellation2013/2014
Intended for the facultiesFEIIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
BER30 Ing. Petr Bernat, Ph.D.
KAC37 Ing. Petr Kačor, Ph.D.
OLS10 Ing. Jindřich Olšanský
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 4+3
Part-time Credit and Examination 14+15

Subject aims expressed by acquired skills and competences

Graduate be able measure to transient actions in electrical machines and be able to measure and weigh evidence. Students learn solve transient action in electrical machines, can calculation magnetic circuits, losses and efficiencies electrical machines. Students learn measure on electrical machines by non-sinusoidal power supply.

Teaching methods

Lectures
Tutorials
Experimental work in labs
Project work
Other activities

Summary

Course presents the transient states of electric machines, calculation of resistances, reactances and losses some types of machines, design of winding and magnetic circuits of rotating machines. Electrical machines are measured in laboratory at transient state and by nonsinusoidal supply.

Compulsory literature:

S.V Kulkarni:Transformer enginneering, Design and practise, Marcel Dekker, New York, 2004 J. Hindmarsh, Eletrical Machines and their applications, Pergamon Prees Oxford, 1971 Peter Vas: Parameter estimation, condition monitoring and diagnosis of eletrical machines, Clarendon Press, Oxford 1993

Recommended literature:

J. Hindmarsh, Eletrical Machines and their applications, Pergamon Prees Oxford, 1971

Way of continuous check of knowledge in the course of semester

Conditions for credit: Punctual appreciation Semestral classwork Participation on all laboratory exercises Elaboration of all documentation from laboratory exercises Successful inclusion work

E-learning

Další požadavky na studenta

There are not defined other requirements for student.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: Magnetic circuit of three-phase transformer Nonlinear phenomena in transformer Cut off on transformer connexion in net. Calculation leakage winding reactance Windings direct-current machines, vector star and voltage polygon, equations of windings, loop and wave windings Windings of alternate machines, factor winding, diagram of slotted voltages Tinley's winding diagram and Goegresses diagram, rotor winding of asynchronous machines Equivalent circuit and circle diagram asynchronous machine from calculated values. Reactances and resistances calculation of electrical machines, differential leakage Magnetic circuit calculation of synchronous and asynchronous machines Calculation of no-load circuit characteristic and exciting winding of synchronous machine, excitation systems Losses calculation of electrical machines, losses in copper, in iron, mechanic losses and auxiliary losses Determination of exciting current in loading synchronous machine. Characteristic of synchronous machines. Exercises: Submission of semester work, requirements on conferment of credits DC windings, loop and wave windings, voltage polygon, coupler of I. and II.order Tinley´s winding diagram and Goerges´es diagram, running of magneto motive force in air space, factor differential leak Credit exercise Laboratories: Apprise of laboratory equipments safety regulations Measurement on transformer - trigger current Measurement short-circuit current on synchronous generatort Projects: It is submit self work, which students work up in time out of tutorial. Projects are calculations, drawing documentation and technical documentation from laboratory exercises. Computer labs: Exciting current, transformer calculation, resistances of primary and secondary winding, reactance's calculation and short-circuit voltage Introduction to transformer calculation, temperature classes, isolation classes selection, cooling, plating, material of windings, design of mag. circuits, selection of magnetic induction, active cross-section of mag. circuit, selection of numbers core steps, parallel sub-circuits, height of transformer window, insulating distance

Conditions for subject completion

Full-time form (validity from: 2012/2013 Winter semester, validity until: 2013/2014 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
        Exercises evaluation Credit 40  20
        Examination Examination 60  11
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.ZaměřeníFormStudy language Tut. centreYearWSType of duty
2013/2014 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2013/2014 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2012/2013 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2012/2013 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2011/2012 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2011/2012 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan
2010/2011 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 1 Choice-compulsory study plan
2010/2011 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 1 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner