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Well, we don't deal in doubts here at control.com. We answer questions to the best of our ability. So, here is an answer to your question. The intent is for hot combustion gases (above exhaust temperature) NOT to enter the wheelspaces (which are "below" the turbine nozzles and buckets) and to...

BMP, It's not likely that the pressure differential you cited caused the problem you described. The general rule is that liquid fuel pressures to each combustor should be within approximately 10% of one another, and that any combustor with a pressure approximately 10% higher or 10% lower than...

ESKAY, This is very helpful, indeed. I have seen only two servos connected to one VSVO recently, hence the need for two VSVO cards. It seems odd there would be a second, unused VSVO card, but stranger things have happened. And, it would seem you have arrived at the most likely cause of the...

What have you done to troubleshoot the problem? What were the results of the troubleshooting? When did this problem occur? After a maintenance outage? After a unit emergency shutdown/trip? If so, what was the cause of the trip? You haven't provided any useful information about the unit at...

Thank you for the feedback!

No; lightning won't affect loading/unloading rates. And, the conditions of operation are completely unclear to me now after this most recent post. I still maintain we don't have all the information, and that multiple, typically configured Speedtronic panels are not to be operated in...

Phil Corso, Rotating mass. So, you're proposing adding some sort of flywheel to the shaft to solve this original poster's problem?

ESKAY, I seem to have confused this thread with another when I mentioned a lightning strike. Please disregard the lightning strike comments in my post to this thread. Sorry for any confusion it may have caused; all the other information is pertinent to your query.

ESKAY, I believe what you are trying to ask is if you can <b><i>swap</b></i> the affected VSVO card with another VSVO, either in the same processor rack or another processor rack. This would allow you to determine if the problems "follow" the card or are in the processor rack slot where the...

Vinu, You have a lot of theoretical questions. Most of the F-class machines I have worked with have second generation DLN combustors which operate mainly in premix mode at all times. There is a small diffusion flame on each nozzle, but the majority of the fuel passes through orifices which...

Phil Corso, How would you propose to add inertia to a combustion turbine-generator? What form would the inertia take? How would the inertia be attached to the shaft? How would the addition of inertia affect the power required of the starting means to break the unit away from zero...

I doubt we have all of the information about the configuration of the plant and control systems to be able to make any recommendation. If two units are operating in Isoch mode, then it's likely there is some kind of Isoch Load Sharing scheme in place, or, Isoch control has been "de-tuned" to...

> We recently had few problems in Gas turbine startup regarding GCV improper opening. It would also be very helpful and interesting to know what kinds of problems you experienced and how you decided on the course of re-calibrating LVDT feedback as the resolution for the problems. Thanks!

The P2 pressure reference is calculated by the Speedtronic panel using the formula: FPRG = (TNH * FPKGNG) + FPKGNO where FPRG = Fuel Pressure Reference, Gas (in psig) TNH = Turbine Speed (in percent) FPKGNG = P2 Pressure Reference Gain (in psig/% Turbine Speed) FPKGNO = P2 Pressure...

Adeel, It's unlikely the turbine tripped without any alarm, Process or Diagnostic. We don't know enough about the procedure you used when attempting to use AutoCalibrate. I believe there is some information in the Mark V Maintenance Manual, GEH-5980, about using AutoCalibrate...

MLI means Model List Item. ML (Model List) is a "short" version of MLI. Some previous definitions of ML (which is short for MLI) are in these threads: http://www.control.com/thread/1249462885#1249636137 http://www.control.com/thread/1270712531#1270738982 If you need more help...

I actually prefer "friendly Moderator".... None of us is going to be laughing when someone figgers something like this out. But we can have a chuckle until a new law of physics gets published, or someone thinks differently about applications of the existing laws. Chuckle on...

Imagine exhaling. Imagine exhaling with a dust mask over your nose and mouth. Imagine exhaling with a tight-fitting dust mask over your nose and mouth. Imagine exhaling with two tight-fitting dust masks over your nose and mouth. Imagine exhaling with four tight-fitting dust masks over...

RY, I didn't understand that from any of your previous posts, but it does add credence to the theory that there is a serious problem with the AA Booster Compressor. Again, the amount of current drawn by a motor is directly proportional to the amount of work done by the device the motor is...

>Strong potential for methane production >from all the BS too <b>+ 3</b>