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Protection process and control system for a gas turbine

  • US 20060266045A1
  • Filed: 02/01/2006
  • Published: 11/30/2006
  • Est. Priority Date: 02/03/2005
  • Status: Active Grant
First Claim
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1. A process for protection of a gas turbine from damage caused by pressure pulsations, the process comprising:

  • measuring pressure pulsations occurring during the operation of the gas turbine;

    generating a pulsation-time signalvfrom the measured pressure pulsations;

    transforming the pulsation-time signal into a pulsation-frequency signal;

    determining from the pulsation-frequency signal a pulsation level for at least one specified monitoring frequency band;

    monitoring the pulsation level for the occurrence of at least one trigger condition; and

    , carrying out, when the at least one trigger condition occurs, a protective action.

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