期刊
出版社
EMERALD GROUP PUBLISHING LTD
DOI: 10.1108/COMPEL-04-2021-0139
关键词
Applied electromagnetism; Finite element method; Electrostatics; Finite elements; Helicoidal coordinates; Twisted geometry
类别
资金
- European Union
- European Regional Development Fund (ERDF)
- French Region of Hauts-de-France
- French State
This paper presents a method for modeling the three-dimensional twisted geometry of a twisted pair using two-dimensional finite elements in an electrostatic approximation. By utilizing a change of coordinates, this method offers faster computation time and higher accuracy, demonstrating effectiveness in studying the insulation properties of winding wires in electrical machines according to the IEC 60851-5 standard.
Purpose This paper aims to model a three-dimensional twisted geometry of a twisted pair studied in an electrostatic approximation using only two-dimensional (2D) finite elements. Design/methodology/approach The proposed method is based on the reformulation of the weak formulation of the electrostatics problem to deal with twisted geometries only in 2D. Findings The method is based on a change of coordinates and enables a faster computational time as well as a high accuracy. Originality/value The effectiveness of the adopted approach is demonstrated by studying different configurations related to the IEC 60851-5 standard defined for the measurement of the electrical properties of the insulation of the winding wires used in electrical machines.
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