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Title:Opazovalnik temperature spoja močnostnega modula : magistrsko delo
Authors:ID Pantić, Radoslav (Author)
ID Truntič, Mitja (Mentor) More about this mentor... New window
ID Kos, Marko (Comentor)
ID Teslić, Luka (Comentor)
Files:.pdf MAG_Pantic_Radoslav_2025.pdf (4,24 MB)
MD5: B773FA90AAE2F142766C3CE40B1AE874
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Namen magistrskega dela je zagotoviti bolj natančno oceno temperature spoja MOSFET-tranzistorja v primerjavi z obstoječim pristopom, kar bo omogočilo izboljšanje zmogljivosti motorskega krmilnika. Ta temperatura predstavlja ključno, vendar nedostopno stanje, ki ga ni mogoče neposredno izmeriti. Zato smo razvili predikcijski algoritem, imenovan opazovalnik, ki na podlagi meritev vhodov oziroma faznega toka in temperature na dostopni točki sistema ocenjuje temperaturo spoja MOSFET-tranzistorja. V ta namen smo načrtali termalni model krmilnika, predstavljen kot ekvivalentno električno vezje, in ga nato validirali z uporabo termalnih simulacij v časovni domeni in meritvami.
Keywords:predikcijski algoritem, MOSFET, termalni model, motorni krmilnik, prostor stanj
Publication status:Published
Publication version:Version of Record
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[R. Pantić]
Year of publishing:2025
Number of pages:1 spletni vir (1 datoteka PDF (X, 61 str.))
PID:20.500.12556/DKUM-91623 New window
UDC:621.317(043.2)
COBISS.SI-ID:231397123 New window
Publication date in DKUM:27.03.2025
Views:317
Downloads:38
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:15.02.2025

Secondary language

Language:English
Title:Power module junction temperature observer
Abstract:The aim of the master’s thesis is to provide a more accurate estimate of the junction temperature of the MOSFET transistor compared to the existing approach, which will allow to improve the performance of the motor controller. This temperature represents a crucial but inaccessible state that cannot be directly measured. Therefore, we developed a prediction algorithm called the observer, which estimates the junction temperature of the MOSFET transistor based on the measurements of the inputs, the phase current and the temperature at the available point of the system. For this purpose, we designed a thermal model of the controller, represented as an equivalent electrical circuit, and then validated it using transient thermal simulations and measurements.
Keywords:predictive algorithm, MOSFET, thermal model, motor controller, state-space


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