Recent content by jagriti

  1. J

    Automatic load throw by gas turbine & opening/closing of generator breaker on HMI

    hello dear all ! We have a power plant with three Gas Turbines (Frame V GE model with Mark-VIe control) running in synchronism with national power grid. Based on the plant process load out plant runs either in power export or import mode. All the GTs are running in droop mode with LCM (load...
  2. J

    Occupational health issue

    thank you so much
  3. J

    Occupational health issue

    Hello all, With due regards to this esteemed forum I want to have a silly information which is related to Occupational health. I have been working in Gas Turbine based CPP ( beginner) where noise is a big issue, around 90db in the GT hall itself and to get rid from the noise issue , I want to...
  4. J

    sudden Change of lube oil header temperature of Gas Turbine

    It changes within 2-3 days. Yes the tank temperature gauge reads 82 DegC and the HMI value of L.O. header temp is 70 deg C. Regarding the position of disc 'Robertshaw LO temp regulating Valve.....need to check. Will revert on this. Thank you, sorry for the delayed reply
  5. J

    sudden Change of lube oil header temperature of Gas Turbine

    Thank you CSA for the replay & information. This is indeed a great. Thank you all for the response. rgds
  6. J

    sudden Change of lube oil header temperature of Gas Turbine

    Hello all ! In one of gas turbines (frame-V, 19.6 MW with mark-VIe control system) of our co-generation plant (with three gas turbines), today we have observed sudden change in lube oil header temperature from 64 deg C to 71 deg C, when the GT was running at a load of 19 MW. Other two gas...
  7. J

    Rotor earthing Brush of Gas turbine

    thank you so much
  8. J

    Rotor earthing Brush of Gas turbine

    Thank you sir, I was referring to the system of shaft voltage grounding, which is grounded through carbon brush .
  9. J

    Rotor earthing Brush of Gas turbine

    Hello all ! Kindly share some information on Rotor earthing Brush of Gas turbine (GE make Frame-V, 20MW with Mark-VIe control system). (1) What is its function (2) What will happen it the carbon brush gets completely depleted while running due to wear & tear. (3) what kind of alarm we are...
  10. J

    Substation automation and system architecture

    Hello ControlsGuy25... This is great. Thank you so much for this...will definitely help... After commissioning we will get detailed manuals etc, if any further info is required will contact ...sure regards
  11. J

    Substation automation and system architecture

    Hello ControlsGuy and James.. Thanks for the valuable inputs. Can you kindly share the manuals of the SICAM(CP-8080) if possible. Thanks and regards
  12. J

    Substation automation and system architecture

    Hello everyone, Myself into operation & maintenance of a small power plant (60 MW with 3 nos frame-V Gas turbine with Mark-VIe control and our plant always synchronized with national grid). Now in a project of new Gas turbine (again frame -V @ 20 MW), we are being supplied a system of...
  13. J

    Digital Automatic Voltage Regulator(DAVR)

    Hello everyone.. As per advice from Brush, we have powered off the AVR ( both 24VDC & PMG), but the screen issue did not go. Then we have reset the AVR also but it remains. Regarding auto/manual changeover, When contacted Brush, it was informed that there are two CAN link ( from 2 A50s (?) )...
  14. J

    Digital Automatic Voltage Regulator(DAVR)

    Hello CSA ... Thank you so much for the information. We are contacting these issues again with Brush. Will update again further. thanks all
  15. J

    Digital Automatic Voltage Regulator(DAVR)

    Hello CSA/Controls guy Thanks a lot for the info ...sorry for delay in response. please note :- 1. We have contacted Brush and they said that most likely the CAN component failure may be reason….may be because of power spikes like from significant thunderstorm nearby. As per their advise we...
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