Identification of Magnetic Properties for Cutting Edge of Electrical Steel Sheets

Timo P. Holopainen; Paavo Rasilo; Antero Arkkio

doi:10.1109/TIA.2016.2638405

Identification of Magnetic Properties for Cutting Edge of Electrical Steel Sheets

Timo P. Holopainen
, Paavo Rasilo
, Antero Arkkio

Department of Electrical Engineering and Automation

ABB Oy
Tampere University of Technology

Research output: Contribution to journal › Article › Scientific › peer-review

28 Citations (Scopus)

316 Downloads (Pure)

Abstract

Electrical steel sheets of motors and generators are usually shaped to the final form by punching. The punching and other cutting processes generate large plastic deformations and residual stresses. These are known to deteriorate the magnetic properties of the edge region. However, the characterization of this deterioration in the form of magnetic properties is missing. The main aim of this paper is to propose a method to identify the magnetic properties of the edge region based on experimental results. This approach is demonstrated by using previously presented test results for magnetic properties of rectangular strips. The width of these strips is varied, and thus, the share of the edge region to the whole can be used as a variable. Based on this variation, a simple model is developed and the model parameters fitted to the experimental results. The correspondence between the calculated and experimental results is good.

Original language	English
Pages (from-to)	1049 - 1053
Number of pages	5
Journal	IEEE Transactions on Industry Applications
Volume	53
Issue number	2
Early online date	2016
DOIs	https://doi.org/10.1109/TIA.2016.2638405
Publication status	Published - 1 Mar 2017
MoE publication type	A1 Journal article-refereed

Keywords

electric machines
magnetic losses
magnetic materials
magnetic properties
punching
sheet materials
sheet metal processing

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10.1109/TIA.2016.2638405

ELEC_Holopainen_etal_Identification_TraIndApp_2017Accepted author manuscript, 98.9 KB

ALEM: Additional Losses in Electrical Machines
Arkkio, A. (Principal investigator), Sundaria, R. (Project Member), Singh, D. (Project Member), Shah, S. (Project Member), Balasubramanian, A. (Project Member), Jannasch, S. (Project Member), Aydin, U. (Project Member), Osemwinyen, O. (Project Member), Upadhaya, B. (Project Member), Daryabin, S. (Project Member), Salvador, L. (Project Member), Rasilo, P. (Project Member), Razzaq, M. (Project Member), Rouhi, H. (Project Member), Belahcen, A. (Project Member), Hemeida, A. (Project Member), Lehikoinen, A. (Project Member), Nair, D. (Project Member), Cederström, S. (Project Member), Davidsson, T. (Project Member) & Haavisto, A. (Project Member)
01/03/2014 → 28/02/2019
Project: EU: ERC grants

Cite this

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title = "Identification of Magnetic Properties for Cutting Edge of Electrical Steel Sheets",

abstract = "Electrical steel sheets of motors and generators are usually shaped to the final form by punching. The punching and other cutting processes generate large plastic deformations and residual stresses. These are known to deteriorate the magnetic properties of the edge region. However, the characterization of this deterioration in the form of magnetic properties is missing. The main aim of this paper is to propose a method to identify the magnetic properties of the edge region based on experimental results. This approach is demonstrated by using previously presented test results for magnetic properties of rectangular strips. The width of these strips is varied, and thus, the share of the edge region to the whole can be used as a variable. Based on this variation, a simple model is developed and the model parameters fitted to the experimental results. The correspondence between the calculated and experimental results is good.",

keywords = "electric machines, magnetic losses, magnetic materials, magnetic properties, punching, sheet materials, sheet metal processing",

author = "Holopainen, \{Timo P.\} and Paavo Rasilo and Antero Arkkio",

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language = "English",

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journal = "IEEE Transactions on Industry Applications",

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T1 - Identification of Magnetic Properties for Cutting Edge of Electrical Steel Sheets

AU - Holopainen, Timo P.

AU - Rasilo, Paavo

AU - Arkkio, Antero

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PY - 2017/3/1

Y1 - 2017/3/1

N2 - Electrical steel sheets of motors and generators are usually shaped to the final form by punching. The punching and other cutting processes generate large plastic deformations and residual stresses. These are known to deteriorate the magnetic properties of the edge region. However, the characterization of this deterioration in the form of magnetic properties is missing. The main aim of this paper is to propose a method to identify the magnetic properties of the edge region based on experimental results. This approach is demonstrated by using previously presented test results for magnetic properties of rectangular strips. The width of these strips is varied, and thus, the share of the edge region to the whole can be used as a variable. Based on this variation, a simple model is developed and the model parameters fitted to the experimental results. The correspondence between the calculated and experimental results is good.

AB - Electrical steel sheets of motors and generators are usually shaped to the final form by punching. The punching and other cutting processes generate large plastic deformations and residual stresses. These are known to deteriorate the magnetic properties of the edge region. However, the characterization of this deterioration in the form of magnetic properties is missing. The main aim of this paper is to propose a method to identify the magnetic properties of the edge region based on experimental results. This approach is demonstrated by using previously presented test results for magnetic properties of rectangular strips. The width of these strips is varied, and thus, the share of the edge region to the whole can be used as a variable. Based on this variation, a simple model is developed and the model parameters fitted to the experimental results. The correspondence between the calculated and experimental results is good.

KW - electric machines

KW - magnetic losses

KW - magnetic materials

KW - magnetic properties

KW - punching

KW - sheet materials

KW - sheet metal processing

U2 - 10.1109/TIA.2016.2638405

DO - 10.1109/TIA.2016.2638405

M3 - Article

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EP - 1053

JO - IEEE Transactions on Industry Applications

JF - IEEE Transactions on Industry Applications

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ER -

Identification of Magnetic Properties for Cutting Edge of Electrical Steel Sheets

Abstract

Keywords

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Projects

ALEM: Additional Losses in Electrical Machines

Cite this