Effects of stator core welding on an induction machine – Measurements and modeling

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Effects of stator core welding on an induction machine – Measurements and modeling. / Sundaria, Ravi; Daem, Andries; Osemwinyen, Osaruyi; Lehikoinen, Antti; Sergeant, Peter; Arkkio, Antero; Belahcen, Anouar.

In: Journal of Magnetism and Magnetic Materials, Vol. 499, 166280, 01.04.2020.

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@article{64d07d124f9641f58ebd04466f59a9ec,
title = "Effects of stator core welding on an induction machine – Measurements and modeling",
abstract = "There is a growing interest towards increasing the efficiency of electrical machines to reduce the ecological footprint. The efficiency of an electrical machine is closely related to the understanding and accurate estimation of the associated losses. One loss component is related to the welding of the electrical steel sheets as a part of manufacturing. This paper studies the effect of the core welding on a typical industrial induction motor. The effect of core welding on the magnetic permeability and core losses is first analyzed with the help of magnetic measurements on the unwelded and welded ring cores assembled from the stator sheets. Further, the derived material parameters are applied in finite element analysis of the induction machine and the effect of welding on the machine performance parameters is analyzed. It was observed that stator core losses increased about 10{\%} due to the welding effect. A mock-up prototype is then manufactured to measure the stator core losses which follow the simulated values closely.",
keywords = "Core loss, Electrical machines, Steel sheets, Welding",
author = "Ravi Sundaria and Andries Daem and Osaruyi Osemwinyen and Antti Lehikoinen and Peter Sergeant and Antero Arkkio and Anouar Belahcen",
note = "| openaire: EC/FP7/339380/EU//ALEM",
year = "2020",
month = "4",
day = "1",
doi = "10.1016/j.jmmm.2019.166280",
language = "English",
volume = "499",
journal = "Journal of Magnetism and Magnetic Materials",
issn = "0304-8853",
publisher = "Elsevier Science B.V.",

}

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TY - JOUR

T1 - Effects of stator core welding on an induction machine – Measurements and modeling

AU - Sundaria, Ravi

AU - Daem, Andries

AU - Osemwinyen, Osaruyi

AU - Lehikoinen, Antti

AU - Sergeant, Peter

AU - Arkkio, Antero

AU - Belahcen, Anouar

N1 - | openaire: EC/FP7/339380/EU//ALEM

PY - 2020/4/1

Y1 - 2020/4/1

N2 - There is a growing interest towards increasing the efficiency of electrical machines to reduce the ecological footprint. The efficiency of an electrical machine is closely related to the understanding and accurate estimation of the associated losses. One loss component is related to the welding of the electrical steel sheets as a part of manufacturing. This paper studies the effect of the core welding on a typical industrial induction motor. The effect of core welding on the magnetic permeability and core losses is first analyzed with the help of magnetic measurements on the unwelded and welded ring cores assembled from the stator sheets. Further, the derived material parameters are applied in finite element analysis of the induction machine and the effect of welding on the machine performance parameters is analyzed. It was observed that stator core losses increased about 10% due to the welding effect. A mock-up prototype is then manufactured to measure the stator core losses which follow the simulated values closely.

AB - There is a growing interest towards increasing the efficiency of electrical machines to reduce the ecological footprint. The efficiency of an electrical machine is closely related to the understanding and accurate estimation of the associated losses. One loss component is related to the welding of the electrical steel sheets as a part of manufacturing. This paper studies the effect of the core welding on a typical industrial induction motor. The effect of core welding on the magnetic permeability and core losses is first analyzed with the help of magnetic measurements on the unwelded and welded ring cores assembled from the stator sheets. Further, the derived material parameters are applied in finite element analysis of the induction machine and the effect of welding on the machine performance parameters is analyzed. It was observed that stator core losses increased about 10% due to the welding effect. A mock-up prototype is then manufactured to measure the stator core losses which follow the simulated values closely.

KW - Core loss

KW - Electrical machines

KW - Steel sheets

KW - Welding

UR - http://www.scopus.com/inward/record.url?scp=85076463378&partnerID=8YFLogxK

U2 - 10.1016/j.jmmm.2019.166280

DO - 10.1016/j.jmmm.2019.166280

M3 - Article

AN - SCOPUS:85076463378

VL - 499

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

M1 - 166280

ER -

ID: 41136246