Finite element computation of 3-D nonlinear magnetic field in claw-pole electric machine using two scalar potentials, hybrid elements and automatic mesh generation

The basic equations of two scalar potentials and their finite-element discretized formulations are discussed. In order to compute the 3-D magnetic field in a complex solution domain, a method of hybrid elements consisting of tetrahedron, triangular prism, and arbitrary hexahedron is used, and its fe...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1990-03, Vol.26 (2), p.371-374
Main Authors: LI, L, YOUQING XIANG
Format: Article
Language:English
Subjects:
Applied sciences
Boundary conditions
Electric machines
Electrical engineering. Electrical power engineering
Electrical machines
Equations
Exact sciences and technology
Finite element methods
Magnetic analysis
Magnetic domains
Magnetic fields
Magnetic materials
Mesh generation
Nonlinear magnetics
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Summary:The basic equations of two scalar potentials and their finite-element discretized formulations are discussed. In order to compute the 3-D magnetic field in a complex solution domain, a method of hybrid elements consisting of tetrahedron, triangular prism, and arbitrary hexahedron is used, and its feasibility is justified by theoretical analysis and numerical examples. This method is successfully used to calculate the 3-D nonlinear magnetic field in a claw-pole electric machine with a power rating of 500 W.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.106331