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Posted
Dear All
We have 11kv motor 3MW connected with circulation gas compressor .It's tripped on vibration even no change in operation parameters. All MCA has been done and showing excellent result .Could you please chare your experience in this problem
 
Posts: 4 | Location: uae | Registered: 11 May 2008Reply With QuoteEdit or Delete MessageReport This Post
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Dear Ali,

MCA is hardly going to be of use to sort out vibration issues. Why not post your vibration data so that others could give their view?

Regards,

Aditya
 
Posts: 131 | Location: Bombay, India | Registered: 20 April 2004Reply With QuoteEdit or Delete MessageReport This Post
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Dear Aditya
Thanks for your reply .Pls find attached file for viabration recored .
Thanks

Excel SpreadsheetVibration_Trip_Events.xls (831 Kb, 34 downloads) viabration recored
 
Posts: 4 | Location: uae | Registered: 11 May 2008Reply With QuoteEdit or Delete MessageReport This Post
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By seeing the orbits it says Notor DE bearing Rubbing occured in Normal Trend. What is condition of Lube oil and Bearing Clearance. IF you have FFT and Time domain taken in offline..please send it across.
 
Posts: 42 | Location: Mangalore | Registered: 19 July 2007Reply With QuoteEdit or Delete MessageReport This Post
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Hi
Please find motor current specturm after the trip

Excel SpreadsheetMotorCurrentSpectrum.xls (47 Kb, 14 downloads)
 
Posts: 4 | Location: uae | Registered: 11 May 2008Reply With QuoteEdit or Delete MessageReport This Post
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