Recent content by elomoon

  1. E

    Can we use LCI without turning gear ?

    No, for permissive starting the power train speed must be greater than 4 rpm (in our unit). We have had the turning gear break down and the torque has to be applied to make it turn, the vacuum takes care of the rest.
  2. E

    High hydrogen comsuption

    You say that you checked the pipes, generator seals, etc... , the "etc" includes the generator caps, from my experience we have encountered this problem. The H2 cabinet (where the H2 analyzers are), have you verified that the purge flow is correct, not any open valve or solenoid valve that has...
  3. E

    PM3 G3 + Purge Lockout DLN26+

    Hello: Sorry. This is the link https://ibb.co/gu6yJo
  4. E

    Megawatt Transducer Failure

    Hello: In our unit, the FSR was limited to 30%. When the alarm ALM FSR LIMITED DUE TO DWAT XDUCER FAILURE / ALM MEGAWATT TRANSDUCER SIGNAL TROUBLE appeared, the cause was the failure in one of the DWATT gross energy transducers. When synchronizing the unit, it remains in the correct ACC...
  5. E

    Explosion in Frame 7FA Turbine Compartment

    Hi If you are running gas, as you are using the atomization compressor instead of the purge compressor, the purge of the atomizing air system provides compressed air for atomization of liquid fuel in the combustion system, also supplies purge air to the liquid fuel and wáter injection...
  6. E

    GT LCI Load Bridge Output Fuses

    We had this problem, until we realized that there were shifts of operation, where they up tap changer on the auxiliary transformer, seeing that the voltage of 6 kV decreased. When it was prohibited to change take during the start process the trips were solved.
  7. E

    Method We Use When Turbine Trips and Do Not Know What Is the Logic Cause

    I want to share a method that we use when we have a trip of unit and do not know what is the cause and which may be due to several signals. For if it could be useful to someone. Using the Toolbox and contact block software alarm caused by the trip, the unit restarts and the program video...
  8. E

    High Vibrations in Bearing #2 9 FB Gas Turbine

    In a gas turbine PG9371 FB Simple-cycle single-shaft heavy-duty gas turbine at a speed of 1006 rpm for two measures the peaks and bb2 bb2X probes and vibrations occurring in the bearing 2 (bearing 1 GT) 0.18 mm/s, trip unit to the value of 0.22 mm/s. the second peak at 827 rpm with the flame off...
See more
Top