Assembly for the vibration free fixation of an electrical motor bearing

The arrangement has isolation units (4) causing a natural frequency of torsional vibration of the arrangement, where the natural frequency is smaller than excitation frequency of an electric motor (5) e.g. three-phase motor. The electric motor is operated with a mains frequency of 50 hertz and/or 60...

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Bibliographic Details
Main Authors SCHOENE, JUERGEN, BAER, MARTIN, STRENG, GUNTER
Format Patent
LanguageEnglish
French
German
Published 10.02.2010
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:The arrangement has isolation units (4) causing a natural frequency of torsional vibration of the arrangement, where the natural frequency is smaller than excitation frequency of an electric motor (5) e.g. three-phase motor. The electric motor is operated with a mains frequency of 50 hertz and/or 60 hertz, where the excitation frequency of the motor amounts to 300 hertz to 360 hertz during operation with a phase controlled modulator. The isolation units are made of a flexible material.
Bibliography:Application Number: EP20070114774