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Introduction This article reviews the techniques to mitigate noise and vibrations due to magnetic forces in electrical machines (electromagnetically-excited noise and vibrations) based on EOMYS
Noise and vibrations of electrical machines include electromagnetically-excited sources, aerodynamic sources and mechanical sources. This article briefly explains the origin of magnetic noise and vibrations
Introduction Acoustic noise of electrical machines includes the contribution of electromagnetic, aerodynamic and mechanical sources. This article reviews the sources of mechanical noise in electric
Definition A wavenumber describes the spatial frequency of a periodic quantity (permeance, magnetomotive force, flux density, magnetic force, magnetic vibration), generally along the airgap of
Definition A Frequency Response Function (FRF) is a function used to quantify the response of a system to an excitation, normalized by the magnitude of
Definition In acoustics, Sound Power Level (SWL) characterizes the intrisic acoustic power of an acoustic noise source, whereas Sound Pressure Level (SPL) characterizes the acoustic