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  1. K

    Turbine Shutdown maintenance activities

    I would suggest hire a professional.
  2. K

    Mark V upgrade

    famous or INfamous?
  3. K

    MkV: Probe failure on PROX08 Circuit Alarm

    > Have you confirmed that the prox and probe on the turbine are working correctly? < The MkV and BN are showing valid vibration readings most of the time. What started this ordeal was something was causing erratic high vibrations spiking up and down (like 15-25mills). It wasn't a valid...
  4. K

    Detroit Diesel not accelerating

    DDEC has electronic injectors, so no actuator on the rack...just FYI.
  5. K

    MAN B&W governor upgrade (slow speed diesel)

    There has to be an opinion or two on this forum :)
  6. K

    Boiler operation

    There has to be an opinion or two on this forum :)
  7. K

    Power Plant

    Worst case, your boiler feed pump inlet pressure gets too low and you experience cavitation. However, one would hope the plant was designed with enough head (usually DA is on the roof). For a DA to "work" the condensate needs to be at (or damn close) to saturation temperature. Some DA are...
  8. K

    Generating electricity using household water pressure

    Google Pumped storage.... Haven't fried my brain reading the entire thread, but power in water is just like power with electricity. power = flow X pressure power = amps X volts Since most here deal with electricity I'll ask this question. Can you run a pump and move water using...
  9. K

    MkV: Probe failure on PROX08 Circuit Alarm

    I've dug through all the IO and CSP and Application manual and I can't get a solid answer. MkV TMR on a steam turbine, WinNT HMI. The alarm reads something like "Probe Failure" but it traces back to a logic signal called L39VF4Y. This logic is "attached" to an IO. In the IO.asg here's the...
  10. K

    Boiler operation

    I agree there is a pressure drop when steam is flowing. However, when no steam is flowing, the pressure is equalized throughout the system. At lower flows like transients, the pressure drop is much less (lower flows). But no need to argue, let's go straight to the horse's mouth. From the...
  11. K

    MAN B&W governor upgrade (slow speed diesel)

    I'm looking for ideas of manufacturer/systems to use for upgrading a MAN B&W 40 MW slow speed 2stroke diesel that is used for power generation (stationary application, base load) burning heavy fuel oil (#6) with the possibility of doing duel fuel LNG in the future. The current control system...
  12. K

    Gas Turbine High CPD

    By no means am I turbine combustion expert, but I've had to troubleshoot emissions problems before on various units (boilers, GT, diesels). I'm speaking in very general terms. To me it sounds like you have too much air going into the unit. The main driver of NOx is peak combustion temp...
  13. K

    detroit diesel V 71 series

    This board doesn't have too many mechanics on it (mostly controls guys), but I know what you mean about factory detroit parts. I have heard many stories about factory injectors being bad right out of the box. Glad you found the problem.
  14. K

    Boiler operation

    What is the pressure setting of each safety valve? Get back to basics. What makes a safety pressure relief valve open? Answer: Pressure! If safety valves are all set at EXACTLY the same pressures--and tested/calibrated to confirm the setting is correct, then they should open at the same...
  15. K

    Control Systems Engineering Feedback Requested

    > The industrial automation field has its own body of knowledge, but there is a very large disconnect between higher level academic studies and the knowledge that is actually applied in the field. < You can say that again! My controls teacher in school said I did poor in his class, didn't...
  16. K

    detroit diesel V 71 series

    I got some input. Is the engine turbocharged or naturally aspirated? If turbo'd, the airbox drains have check valves that need to be oriented correctly (close to vertical). The check valves must also be functioning. If natural, the drains should just go into some sort of catch can...
  17. K

    detroit diesel V 71 series

    I'm gonna post your question to some guys I know that are diesel mechanics and very familiar with 2 stroke Detroits.
  18. K

    Boiler operation

    The question is unclear. Traditionally the safety valves downstream of the boiler (or drum) will be set to lift at a lower pressure than those on the boiler/drum. This is to allow continued steam flow through the superheater and other piping for cooling. If the downstream safety cannot...
  19. K

    Electrostatic respirators

    Purge air is there to keep the penthouse pressurized above the pressure of the duct (the pressure in the ESP). This keeps dust and flue gas out of the electrical area of the ESP. Google is your friend...here's a document about it from one company...
  20. K

    Monitoring 125Vdc Trip Coil

    What flavor (brand) of turbine. And I'm not doubting you, but you are 100% sure all the coils (solenoid right?) require power to trip? That wouldn't seem like a wise design. There still is a mechanical (manual) overspeed trip, right?
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