Recent content by Khac Sau

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  1. Khac Sau

    GE gas turbine Frame 6FA cannot startup up due to SFC fault

    Dear all, We have one issue with gas turbine ( GE frame 6FA) during startup. When startup, the turbine can only rotating around 27- 33rpm, after that SFC system appear alarm command is "maximum generator voltage" and gas turbine trip. Can everyone explain for me what is root cause and how to...
  2. Khac Sau

    Servo calibration configuration in GE-MARK VIe

    WTF? Thank you for your feedback. We are using GE gas turbine frame 6FA and MARK VIe controller. Normally we will do stroke test or calibration (LVDT calibration) for LFBV, GCV, SRV, IGV, but sometime the valve got hunting when operation. That time we need tuning by configuration reg null...
  3. Khac Sau

    Servo calibration configuration in GE-MARK VIe

    #GE #Gastubine When we Calib for servo valve, sometime need to adjust reg gain and regnullbias. Can everyone tell me how to calculation for reg gain and regnullbias? Can someone share with me the GEK 116364 document? If you have this document, please share me via email [email protected]...
  4. Khac Sau

    @GE Mark VIe control system- Workstation ST service was stopped

    @GE Mark VIe control system Hi all, After we changed the password for admin account, workstationST service was stopped resulting in historian not receiving alarm from sending machine on Mark VIe. However, we can't run it again. Could everyone help me how to run workstationST service again...
  5. Khac Sau

    GTG trip when started running WI with liquid fuel.

    @Dear all, Please support me below question: Our plant is refinery, we are using gas turbine Frame 6FA - Mark VIe controller. Can you tell me what conditions to running water injection liquid fuel? What values and parameters to consider and compare when starting up with water injection. What...
  6. Khac Sau

    Excessive Start up fuel flow trip

    Dear all, Please support me below question: Our plant is refinery, we are using gas turbine Frame 6FA - Mark VIe. Can you tell me what conditions to running water injection liquid fuel? What values and parameters to consider and compare when starting up with water injection. What is the value...
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