Električni in elektromehanski pretvorniki

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Ivan Zagradišnik (Author), Jožef Ritonja (Author), Denis Dremelj (Illustrator)

Abstract

V publikaciji so predstavljene osnove elektromehanske pretvorbe in štirje osnovni električni stroji: transformator, asinhronski stroj, sinhronski stroj in komutatorski stroj. Publikacija je razdeljena v pet poglavij. V nadaljevanju je predstavljena vsebina posameznih poglavij. Uvod: magnetno polje, vzbujanje navitij, induciranje napetosti, sile in vrtilni moment (navor), pretvarjanje električne moči v električno ali mehansko, izgube, izkoristek, segrevanje in hlajenje. Transformator: elementi gradnje, idealni in realni enofazni transformator, trifazni transformator, posebne izvedbe transformatorjev. Asinhronski stroj: opis gradnje z navitji in način delovanja, zagoni motorjev in spreminjanje hitrosti vrtenja ter vrtilnega momenta, asinhronski generator, enofazni asinhronski motorji. Sinhronski stroj: opis gradnje in način delovanja, obratovanje na togem omrežju, približna obravnava nasičenega stroja, vzbujalni sistemi in uporaba trajnih magnetov za vzbujanje, ter sinhronski motorji s trajnimi magneti. Komutatorski stroj: opis gradnje in način delovanja, reakcija kotve, problemi komutacije, elektronska komutacija, karakteristike različnih električnih vezav statorja in rotorja, spreminjanje hitrosti vrtenja, izmenični (univerzalni) komutatorski stroji.

Keywords

osnove elektromagnetike;transformator;asinhronski stroj;sinhronski stroj;komutatorski stroj;

Data

Language:	Slovenian
Year of publishing:	2022
Typology:	0 - Not set
Organization:	UM FERI - Faculty of Electrical Engineering and Computer Science
Publisher:	Univerza v Mariboru, Univerzitetna založba
UDC:	621.313/.314(075.8)(0.034.2)
COBISS:	120080131
ISBN:	978-961-286-649-5
Views:	19
Downloads:	2
Average score:	0 (0 votes)
Metadata:

Other data

Secondary language:	English
Secondary title:	Electrical and electromechanical converters
Secondary abstract:	The publication presents basics of electromechanical conversion and four fundamental electrical machines: transformer, induction machine, synchronous machine and commutator machine. The publication is organized in five chapters with contents as is written bellow. Introduction: magnetic field, windings, induced voltage, forces and torque, electrical and electromechanical conversions, losses, efficiency, heating, and cooling. Transformer: construction, basic principles of operation, ideal and real single-phase transformer, three-phase transformer, special types of transformers. Induction machine: description of construction, principle of steady state operations, starting of motors and changing of speed and torque, induction generator, single-phase induction motors. Synchronous machine: description of construction, principle of operation, working on an infinite bus, simplified description of the saturated machine, excitation systems and use of permanent magnets for excitation, synchronous motors with permanent magnets. Commutator machine: description of construction and operation, armature reaction, commutation problems, commutation with electronics, characteristics of different stator and rotor connection, changing of speed, alternating commutator machine.
Secondary keywords:	basics of electromagnetism;transformer;induction machine;synchronous machine;commutator machine;
Type (COBISS):	Higher education textbook
DOI:	10.18690/um.feri.11.2022
ID:	16506215