Robust e-NVH design of electrical machines using MANATEE software (5/8)

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e-NVH	e-NVH technical webinar 5/8
Objective	Robust e-NVH design of electrical machines using MANATEE software
Date	19th May 2020
Hour	9:30 CET and 16:00 CET

Organization

The webinar includes:
A theoretical part of 30 mn on e-NVH
An application with MANATEE software over 20 mn
An open question part over 10 mn

Description

Theoretical part

general impact of magnetic and geometrical asymmetries on magnetic forces and resulting noise and vibrations
particular case of static & dynamic eccentricities
particular case of uneven airgap & uneven magnetization
uncertainties of the e-NVH design process: temperature effects, strong coupling due to UMP
e-NVH effect of faults (short circuit, broken bar, demagnetized magnet)

Application with MANATEE software

dispersion of natural frequencies
sensitivity study on eccentricity level
simulation of unbalanced currents, pole displacement


Illustration of the effect of uneven magnetization on noise spectrogram of an IPMSM using MANATEE software

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