Course detail

Electric machines, apparatuses, drives and power electronics

FEKT-LESPAcad. year: 2011/2012

Basic laws used in theory of electrical machines and apparatuses. Principles, magnetic circuits and their calculations. Voltage and torque equations.Equivalent circuits. Principles of design. Power flow analyses. Construction and classification of LV, MV and HV apparatuses. MCBs, current residual devices, relays, fuses, electromagnets, switches, switch disconnectors, lightning arrestors. Application in el. network realization.

Language of instruction

Czech

Number of ECTS credits

6

Mode of study

Not applicable.

Guarantor

doc. Ing. František Veselka, CSc.

Department

Department of Power Electrical and Electronic Engineering (UVEE)

Learning outcomes of the course unit

Basic knowledge of electromechanical energy convertion. Introductory in electrical machines. Laboratory characteristics applications.

Prerequisites

The subject knowledge on the Bachelor´s degree level is requested.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

Assesment methods and criteria linked to learning outcomes

Requirements for completion of a course are specified by a regulation issued by the lecturer responsible for the course and updated for every.

Course curriculum

Not applicable.

Work placements

Not applicable.

Aims

Students introductory course to the theory, operation, testing and characteristics of the basic types of electrical machines apparatuses and electrical drives and power electronics. Basic laws used in this theory. Principles, construction and technical realization of the el. machines, apparatuses and drives.El. devices application in LV installation.

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Bárta,K.,Vostracký,Z.: Spínací přístroje vvn. SNTL Praha 1983
G.N.Petrov:Elektrické stroje I,II. Akademie Praha 1980
Hruška, K. - Bradík, J.:Nejistoty stanovení jakosti a jejich vliv na ztráty, skriptum VUT Brno 1998.
Měřička,J.,Zoubek, Z.: Elektrické stroje.SNTL 1993
Novotný,V.,Vávra,Z.: Spínací přístroje a rozváděče nn a vn. SNTL/ALFA 1986
O.Havelka:Elektrické přístroje. SNTL/ALFA 1985

Recommended reading

Not applicable.

Classification of course in study plans

  • Programme EEKR-ML Master's

    branch ML-SVE , 1 year of study, summer semester, elective specialised

Type of course unit

 

Lecture

39 hod., optionally

Teacher / Lecturer

doc. Ing. František Veselka, CSc.

Syllabus

Basic electrotechnical laws application in electromechanical power convertion. Basic types of electric machines, apparatuses and drives.
Transformers, principle, construction, application, voltage equations and operation characteristics.
Induction machines, principle, construction, application, torque equations and operation characteristics.
Synchronous machines, principle, construction, application, vector diagram, torque equations and operation characteristics.
Direct current machines, principle, construction, application, basic connections ,voltage and torque equations and operation
Special machines, example, principle, construction, application of step motors, universal, hysteresis and linear motors
Electrical apparatuses, definitions, principle, classification and operation.
LV electrical apparatuses(MCB, residual current devices, contactors, relays, fuses, electromagnets, overvoltage devices).
MV and HV electrical apparatuses. Classification, construction(switches, disconnectors, lightning arrestors).
Rectifiers, convertors, frequency convertors, application.
Static switching devices
Electric drives, theoretical introduction, definition, mechanical properties, energy flow.
Electric drives using induction motors, DC motors and synchronous motors.

Fundamentals seminar

6 hod., compulsory

Teacher / Lecturer

doc. Ing. František Veselka, CSc.

Syllabus

Electric power flow in the laboratory of electric machines and apparatuses, laboratory panel.
Load characteristics of ring induction machine.
Single phase induction regulator testing
Synchronous machine reactance measurements
Induction machine running two phase, single phase motor characteristics
Special commutator machines
Asymetrical load of 3-phase transformer
Laboratory knowledge testing
Type and factory test of electric switchgears and switching devices
El. switchgear thermal image test
Voltage test
Switching time measurements of switching device
CT and PT tests, students final test

Laboratory exercise

33 hod., compulsory

Teacher / Lecturer

doc. Ing. František Veselka, CSc.

Syllabus

Introduction to laboratories.Laboratory program. Safety regulations.
Testing methods analysis for laboratory exercises 3,4,5,6.
Connection of 3-phase transformers.
Star delta starter of 3-phase induction motor.
DC motors testing, speed chracteristics.
Synchronous motor synchronization, V curves.
Test.
Electrical apparatuses testing informations.
DC arc characteristics testing.
Recovery voltage parameters measurements, in RLC circuits.
Disconnector thermal image measurement. Electromagnets characteristics measurements.
Test. Knowlwdge check. Evaluation.