What is damping?
Definition In structural dynamics, damping is a general term to name all physical phenomena dissipating vibrational energy. Viscous damping describes the energy loss arising from… Read More »What is damping?
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Jean Le Besnerais
What is an electrical order (or mechanical order)?
Definition An electrical order is the ratio between a frequency with the fundamental electrical frequency : begin{equation*} k_{e} = f / f_{e} end{equation*} Similarly, the… Read More »What is an electrical order (or mechanical order)?
[MOVEO 17] Electromagnetically-excited NVH in EV/HEV applications
This presentation on electromagnetically-excited Noise, Vibration, Harshness (NVH) for automotive applications (electrical actuators and passive components involved in ICEV, Electric Vehicles and Hybrid Electric Vehicles)… Read More »[MOVEO 17] Electromagnetically-excited NVH in EV/HEV applications
Noise mitigation techniques of electrical machines
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… Read More »Noise mitigation techniques of electrical machines
What is magnetic noise ?
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… Read More »What is magnetic noise ?
Mechanical noise in electric machines
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… Read More »Mechanical noise in electric machines
[InterNoise] Characterization of the audible magnetic noise emitted by traction motors in railway rolling stock
Authors Jean Le Besnerais ; Vincent Lanfranchi; Michel Hecquet; Sylvain Récorber; Juan Sapena; Pascal Brochet; Status Published in: InterNoise, NCEJ Date 2009 Keywords Railway traction… Read More »[InterNoise] Characterization of the audible magnetic noise emitted by traction motors in railway rolling stock
[IET] Characterisation of radial vibration force and vibration behaviour of a pulse-width modulation-fed fractional-slot induction machine
Authors Jean Le Besnerais ; Vincent Lanfranchi; Michel Hecquet; Pascal Brochet; Guy Friedrich Status Published in: IET Date 2009 Keywords Induction machine, magnetic noise, vibrations,… Read More »[IET] Characterisation of radial vibration force and vibration behaviour of a pulse-width modulation-fed fractional-slot induction machine
[IEMDC] Prediction of audible magnetic noise radiated by adjustable speed drive induction machines
Authors Jean Le Besnerais ; Vincent Lanfranchi; Michel Hecquet; Pascal Brochet; Guy Friedrich Status Published in: IEMDC Date 2010 Keywords Magnetic noise, Variable speed drives,… Read More »[IEMDC] Prediction of audible magnetic noise radiated by adjustable speed drive induction machines
[IEEE] Characterization and reduction of audible magnetic noise due to PWM supply in induction machines
Authors Jean Le Besnerais ; Vincent Lanfranchi; Michel Hecquet; Pascal Brochet Status Published in: IEEE Trans. on Magnetics Date 2010 Keywords Induction machine, Pulse-Width Modulation,… Read More »[IEEE] Characterization and reduction of audible magnetic noise due to PWM supply in induction machines