Abstract:Abstract-This paper investigates the influence of mesh when computing eddy currents in magnets of a permanent-magnet synchronous machine excited with pulsating currents (such as pulse-width modulation). 3D computations with globally and locally varying mesh densities are performed and results are compared with a reference (fine-mesh) case. It turns out that a global increase of mesh density has the most important impact on the result accuracy. The accuracy of 2D FE computations is also discussed for different … Show more
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