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    GE Frame 9E DLN1 High vibration Trip during Combustion Mode change from LL to PM

    Hi CSA, Thanks and appreciate your response. It took me sometime to verify few as you had requested. I have copied your tread to answer the questions in bold. All three turbines are in operation for around 10 years now and their majors had been done in 2017. The unit that trips has started...
  2. Y

    GE Frame 9E DLN1 High vibration Trip during Combustion Mode change from LL to PM

    Hi All, We are experiencing a high vibration trip from Brg #2 seismic prob during the combustion mode changeover from lean lean to Premix. So far we have experience couple of trips and the vibration value goes up as high of 27mm/s to 35mm/s and at around 60MW. It does not reach trip limit all...
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