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Electrical Machines, Noise, Vibration & Auditory Sensation

Flux-vibro-acoustic-analysis
Abdessamed Soualmi on October 14, 2014 - 9:47 am in Electric Simulation, Magnetic Simulation, News, Rotating Machines, Videos

Since the production of the main electrical machine, the terms of utilization of electrical machines have advanced. In this manner, the plan and advancement of the electrical machines need to consider a few wonders: electromagnetic, mechanical, warm and vibro-acoustic.

The marvel of vibrations and noise can be hurtful for the machine itself and its condition. In this manner, it is vital for the originator to consider vibration and commotion right on time at the outline arrange. What's more, limitations on the lessening of vibration and clamor radiated by electrical machines are progressively prohibitive as appeared in the table beneath. For the most part, we discover three sorts of commotion: optimal design clamor (because of fan), attractive clamor (because of space impact) and mechanical clamor (because of bearing).

CEDRAT has built up a device that enables us to consider the attractive commotion. The toll permits a straightforward and speedy attractive constrain calculation that we fare to mechanical programming (Virtual.Lab. what's more, Nastran) to make a vibro-acoustic examination.

 

STI 2006

Customer requirement 2009

Customer requirement >2010

External noise

81 dB(A)

80dB(A)

77dB(A)

Evolution of the noise constraints (source ALSTOM TRANSPORT)

Read more in the following articles:

> Magneto-vibroacoustic analysis: a new dedicated context inside Flux®11.2.
> From Tesla to Pascal, a magneto-vibroacoustic analysis linking Flux® to LMS Virtual.Lab.

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