Browsing AURA by Author "Attestog, Sveinung"
Now showing items 1-8 of 8
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Detecting Eccentricity and Demagnetization Fault of Permanent Magnet Synchronous Generators in Transient State
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Journal article; Peer reviewed, 2019) -
Electromagnetic and thermal modelling for prognosis of distribution transformer
Attestog, Sveinung (Master thesis, 2018)In this thesis numerical modelling of electromagnetics and thermodynamic of a distribution transformer was studied. The model is based on two 5 MVA three phase distribution transformers located in Uleberg (Norway) owned ... -
Field Reconstruction for Modeling Multiple Faults in Permanent Magnet Synchronous Motors in Transient States
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2021) -
Improved Quadratic Time-frequency Distributions for Detecting Inter-turn Short Circuits of PMSMs in Transient States
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2020) -
Mixed Fault Classification of Sensorless PMSM Drive in Dynamic Operations Based on External Stray Flux Sensors
Attestog, Sveinung; Senanayaka, Jagath Sri Lal; Van Khang, Huynh; Robbersmyr, Kjell G. (Peer reviewed; Journal article, 2022)This paper aims to classify local demagnetisation and inter-turn short-circuit (ITSC) on position sensorless permanent magnet synchronous motors (PMSM) in transient states based on external stray flux and learning classifier. ... -
Modelling and Detecting Faults of Permanent Magnet Synchronous Motors in Dynamic Operations
Attestog, Sveinung (Doctoral Dissertations at the University of Agder; no. 384, Doctoral thesis, 2022)Permanent magnet synchronous motors (PMSMs) have played a key role in commercial and industrial applications, i.e. electric vehicles and wind turbines. They are popular due to their high efficiency, control simplification ... -
Modelling Demagnetized Permanent Magnet Synchronous Generators using Permeance Network Model with Variable Flux Sources
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Chapter; Peer reviewed, 2019) -
Robust Active Learning Multiple Fault Diagnosis of PMSM Drives with Sensorless Control under Dynamic Operations and Imbalanced Datasets
Attestog, Sveinung; Senanayaka, Jagath Sri Lal; Huynh, Van Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2022)This paper proposes an active learning scheme to detect multiple faults in permanent magnet synchronous motors in dynamic operations without using historical labelled faulty training data. The proposed method combines the ...