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Three-Phase Induction Motors are both electrical and mechanical structures. In this paper an analysis from mechanical point of view is done. The modal parameters, natural frequencies, modal shapes, damping ratio, modal masses describe in the whole the modal behaviour of a mechanical structure. For a better design in dynamic analysis and a decreasing the vibration and noise levels it is necessary to...
The vibrations developed during the work represent one of the main mechanical problems of the electric motors. Their frequencies and levels can cause large damages of different electrical motors parts. This is the reason why even in the design phase it is useful to be known the values of the natural frequencies of the parts. This can be made in two different ways: using modern capabilities of finite...
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