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Comparison of numerically determined noise of a 290 kW induction motor using FEM and measured acoustic radiation

Nahlaoui M. Al, Steins H., Kulig S., Exnowski S.

Archives of Electrical Engineering

2013

Vol. 62, nr 2

195--207

In this paper a comparison of numerically determined and measured electromagnetically exited noise of an induction motor is presented. The calculations are accomplished using FEM for an example motor, which is a 290 kW inverter-fed asynchronous machine. The approach starts with the electromagnetic and mechanical consideration. The focus is set on acoustic considerations, which contain the 3D-FE-model and measurement setup in the sound chamber.