This e-NVH sound library contains sound samples of electromagnetic noise based on EOMYS consulting experience on a wide range of electric machine topologies and applications.
Summary of e-NVH sound sample Application Subway Electrical machine DC Motor Supply condition Run-down under PWM Noise sources Electromagnetic, aerodynamic, mechanical See also Measurement set-up Noise is measured at
Summary of e-NVH sound sample Application Subway Electrical machine Outer rotor Surface Permanent Magnet Synchronous Machine (SPMSM) Supply condition Run-up at max torque under non sinusoidal supply Noise sources Electromagnetic,
Summary of e-NVH sound sample Application Railway Electrical machine Squirrel cage induction motor (SCIM) Supply condition Run up under sinusoidal current at no load Noise sources Electromagnetic, aerodynamic, mechanical See