Određivanje gubitaka i korisnosti frekvencijskih pretvarača i sinkronih reluktantnih motora prema normi IEC-60034-2-3

master's thesis

• Title (english): Determining losses and efficiency of variable speed drives and synchronous reluctance motors according to IEC-60034-2-3
• Author: Antonio Čuljak
• Mentor: Stjepan Stipetić (mentor)
• Committee member: Stjepan Stipetić (predsjednik povjerenstva)
• Committee member: Damir Žarko (član povjerenstva)
• Committee member: Zlatko Hanić (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; Zagreb
• Defense date and country: 2022-07-14, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Electrical Engineering

Abstract

Frekvencijski pretvarač je uređaj za promjenu iznosa i frekvencije napona napajanja, a time i momenta tj. brzine vrtnje rotora sinkronog elektromotora. Sinkroni reluktantni motori se sve više koriste kao zamjena asinkronim u industrijskim primjenama. Oni moraju biti napajani iz frekvencijskog pretvarača. Nameće se pitanje cijelog sustava pretvarač + reluktantni motor u smislu korisnosti, upravljanja, zagrijavanja itd. U ovom radu ispitana je korisnost frekvencijskog pretvarača (ABB, Siemens, Danfoss) te korisnost cijelog sustava (pretvarač + sinkroni reluktantni motor). Ispitani su motori različitih proizvođača (ABB, Siemens, KSB, Končar 15z Končar 17z) sukladno normi IEC 60034-2-3.

Abstract (english)

A frequency converter is a device for changing the supply voltage amplitude and frequency and therefore the torque and rotor speed of a synchronous electric motor. Synchronous reluctance motors are being increasingly used as to replace induction motors in general industrial applications. They must be supplied by a power converter. This raises the question of the variable speed drive (frequency converter + reluctance motor) in terms of efficiency, control, heating, etc. In this paper, the influence of the power converter (ABB, Siemens, Danfoss) and the the variable speed drive (frequency converter + motor) is studied. Motors from different manufactures (ABB, Siemens, KSB, Končar 15z i Končar 17z) were tested according to IEC 60034-2-3.

• Keywords: frekvencijski pretvarač; sinkroni reluktantni motor; korisnost; gubitci; norma IEC 60034-2-3
• Keywords (english): power conveter; synchronous reluctance motor; efficiency; losses; IEC standard 60034-2-3
• Language: croatian
• URN:NBN: urn:nbn:hr:168:482852
• Study programme: Title: Electrical Engineering and Information Technology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/inženjerka elektrotehnike i informacijske tehnologije (magistar/magistra inženjer/inženjerka elektrotehnike i informacijske tehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2023-01-13 14:46:23