Method for operating a machine plant having a shaft train

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United States of America

PATENT NO 10598542
APP PUB NO 20170254696A1
SERIAL NO

15505328

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Abstract

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A method for operating a machine plant having a shaft train, including: a) determining the harmonic frequency of a torsional vibration mode of the shaft train and determining mechanical stresses arising during a vibration period of the torsional vibration mode; b) determining a correlation for each torsional vibration mode between a first stress amplitude, at a position of the shaft train that carries risk of stress damage, and a second stress amplitude, at a measurement location of the shaft train, using stresses determined for the respective torsional vibration mode; c) establishing a maximum first stress amplitude for the position; d) establishing a maximum second stress amplitude, corresponding to the maximum first stress amplitude, for the measurement location; e) measuring the stress of the shaft train while rotating; f) determining a stress amplitude at each harmonic frequency; g) emitting a signal when the stress amplitude reaches the maximum second stress amplitude.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS ENERGY GLOBAL GMBH & CO KGOTTO-HAHN-RING 6 81739 MÜNCHEN 81739

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Balkowski, Ingo Kerken, DE 4 1
Ehehalt, Ulrich Essen, DE 6 31
Hensel, Oliver Mülheim an der Ruhr, DE 1 1
Huckriede, Dirk Korschenbroich, DE 3 1
Küpper, Thomas Kaarst, DE 5 7
Lacombe, Bernd Raesfeld, DE 2 1
Mermertas, Ümit Mülheim an der Ruhr, DE 1 1
Pfeifer, Uwe Berlin, DE 20 266

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