Course detail
Electric machines, apparatuses, drives and power electronics
FEKT-MESPAcad. year: 2012/2013
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
Number of ECTS credits
Mode of study
Guarantor
Learning outcomes of the course unit
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
Work placements
Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
G. N. Petrov :Elektrické stroje I, II,Akademie Praha 1980
Havelka,O.: Elektrické přístroje. SNTL/ALFA 1985
Hruška, K. - Bradík, J.:Nejistoty stanovení jakosti a jejich vliv na ztráty, skriptum VUT Brno 1998.
Měřička, Zoubek:Elektrické stroje,SNTL Praha 1993
Novotný,V.,Vávra,Z.:Spínací přístroje a rozváděče nn a vn. SNTL/ALFA 1986
Recommended reading
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
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
Teacher / Lecturer
Syllabus
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
Teacher / Lecturer
Syllabus
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.