Article | REF: D3580 V3

Acoustic noise due to electromagnetic excitations in Asynchronous machines

Authors: Jean LE BESNERAIS, Vincent LANFRANCHI, Michel HECQUET

Publication date: March 10, 2021 | Lire en français

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5. Experimental characterization and diagnosis of magnetic noise

Although the methods presented in section 3 can be used to estimate the vibroacoustic behavior of electrical machines, experimental verification is always necessary to recalibrate models (especially modal damping coefficients). Vibroacoustic testing allows us to characterize the nature of the magnetic excitation (amplitude, frequency, origin of harmonics), the nature...

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Experimental characterization and diagnosis of magnetic noise

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Bibliography

(1) - BERANEK (L.L.), VER (I.L.) - Noise and vibration control engineering (Ingénierie du contrôle des bruits et vibrations). - Wiley interscience (1992).
(2) - LE BESNERAIS (J.), FASQUELLE (A.), HECQUET (M.), LANFRANCHI (V.), BROCHET (P.),...

Standards and norms

Electric drive – Rotating electrical machines for rail and road vehicles – Part 2: AC motors powered by electronic converters - CEI 60349-2 - 2010
Machines électriques tournantes. Partie 9 : Limites de bruits - CEI 60034-9 - 2007
Rotating electrical machines. Part 14: Mechanical vibration of certain machines with shaft heights greater than or equal to 56 mm. – Vibration measurement, assessment and limits...