Process and device for monitoring vibrational excitation of...

Details Process and device for monitoring vibrational excitation of... Process and device for monitoring vibrational excitation of...

G - Physics

01

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G01H 3/00 (2006.01) F04D 27/00 (2006.01) G01H 1/00 (2006.01) G01H 3/06 (2006.01) G01H 3/08 (2006.01) G01H 3/12 (2006.01) G06F 17/14 (2006.01) G06F 19/00 (2006.01)

Patent

CA 2141592

A process and a device for monitoring vibrational excitation of an axial compressor (10) by measuring of pressure fluctua- tion within at least one stage (12, 14) of said compressor (10) in the region of the compressor housing (24) by means of at least one pressure sensing device (32), checking whether each of said frequency signals comprises at least one excitation peak within a predetermined frequency interval in a region of at least one critical frequency of said compressor (10), determining at least one peak parameter indicative of the excitation status of the compressor (10) and generating a status change signal in case said peak parameter has a value lying beyond a predetermined value range.

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