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Power Generation
Topic: Power generation equipment control.
from the Power Generation department...
Getting a better understanding of GT control PART 2
Originally posted by Neo on 11 July, 2014 - 10:48 pm
Getting a better understanding of GT control PART 2.
New Replies:
CSA, Thanks for the appreciation :) But this is nothing as compared to what you're doing for...
SB, Thanks for helping explain. I've been experiencing some problems with posts recently, and I...
______________________________________________________________________ ___ DISCLAIMER: This post...
CSA, I think it's impossible to satisfy every customer especially those have little knowledge...
CSA > To your comment about my disposition regarding your re-write of long-standing rungs,...
Neo, Seems my reply to this post never got posted.... I've been having problems with this...
CSA: It seems that it is hard for a field engineer to enjoy a "trip",and i feel that...
Topic: Power generation equipment control.
from the POWER PLANT department...
IGV for DLN Type Without IBH
Originally posted by ABDI on 24 July, 2014 - 1:56 am
If a turbine has DLN (Dry Low NOx) combustors, IGV exhaust temperature control is not operator-selectable. Is it always on?
New Replies:
Actually, I'm not done with this thread. This issue started back in December of...
abdi, There is no written documentation that details what you are looking for. What I know I've...
hi CSA, When you say increased air flow in combustion chamber (change IGV MODE From ON to OFF)...
> IBH is a really bad name for the function it provides--which is to > protect the...
abdi, As many manufacturers do, they use logic/sequencing in many different applications. ...
abdi, We want to know how you think IGV Exhaust Temperature Control and IBH are related--because...
Hi CSA, If the IGV mode in DLN TYPE frame 9E mark V should not force to IGV off mode, why there...
I want to know what happen in combustion DLN-1 type if the IGV MODE IS OFF AND THE IBH system...
Killz has it almost correct, in that the IGVs are used to control the air flow into the...
I do not understand what do you mean by IGV OFF. When IGV is not moving, you will not be able to...
Topic: Power generation equipment control.
from the POWER GENERATION department...
Testing spark plugs of mark5 control system
Originally posted by SHYAM on 21 December, 2013 - 1:00 pm
What are the logic signals required to force, for testing purposes the spark plugs of frame5 Gas turbine externally when mark5 control system is in shut down condition?
New Replies:
Batman, This is an all-too-common alarm and problem, and may involve ......
CSA, I have a question on ignition excitation logic, but before asking that I will post Mark vie...
Topic: Power generation equipment control.
from the engineering department...
Mark VIe logic block
Originally posted by N.V.Q on 28 July, 2014 - 10:43 pm
Time_Sec block in Mark VIe system.
New Replies:
N.V.Q, In the case you described, this is a timer block, with a pick-up delay (time delay to...
Originally posted by Neo on 5 May, 2014 - 8:28 am
How to get a better understanding of gas turbine control?
New Replies:
Shimy, Good question, and welcome to the discussion. In the beginning, it was intended that the...
CSA, I am following this interesting discussion few days ago. I would like to join it and ask...
Topic: Power generation equipment control.
from the 9fa department...
Re: 9fa Gas Compartment Vent Fan 88vl
Originally posted by Meganathan S on 28 July, 2014 - 2:14 am
Improper ventilation in gas compartment
New Replies:
Meganathan S, The turbine and auxiliary packager (GE or BHEL or ???) should have provided a...
Topic: Power generation equipment control.
from the Change in level as temperature change department...
Lube oil level
Originally posted by Yassar on 25 July, 2014 - 2:55 am
Lube oil level dropping as temperature increases
New Replies:
I did not look at the validity of the information you provided with your concern or considered the...
I'll simplify From your observations, a 200ml of hot oil cools to 150ml. Its volume changes,...
CSA, Thanks for your reply. No, I am not concerned about the leaks and there were no leaks in...
just to clairify a few questions are both machines using the same oil? Is that oil mineral or...
Yassar, Are you concerned about a leak or leaks? Increased consumption when the oil is hot? Are...
Topic: Power generation equipment control.
from the Forum department...
Standby AC power supply for power plant
Posted by masoud on 28 July, 2014 - 2:36 am
Which is a more reliable AC backup power supply UPS or Inverter?
Topic: Power generation equipment control.
from the Thermocouple department...
MARK VIe Thermocouples
Originally posted by Yassar on 27 July, 2014 - 1:53 pm
Questions about thermocouples and MARK VIe
New Replies:
Yassar, One of the better manuals produced by GE, the Mark VIe System Guide, GEH-6721, has some...
Topic: Power generation equipment control.
from the Controls department...
Why Minimum Value Gate Used in GT controls?
Originally posted by 4_20 mA on 21 January, 2013 - 10:03 am
I have seen this Minimum value gate for controlling GT's and Booster Compressor in couple of CCPP.
New Replies:
fluidflow, Yes; it's unfortunate that too many plants do not allow interested parties to open...
Sir, I checked it with my instrument department and then came to know that max. FSR achieved...
Neo, I believe the 33.4% value you are referring to is an upper limit on acceleration...
CSA: I use DEH to refer to steam turbine control. I have one question that is related to this...
fluidflow, Pretty good description; but I would be surprised if FSR actually goes to 33% during...
Topic: Power generation equipment control.
from the Mechanical department...
Exit Guide vanes of Gas Turbines
Originally posted by Izhar on 19 July, 2014 - 4:24 pm
Gas turbine exit guide vanes and how to use them
New Replies:
Fluid flow Indeed a very interesting website recommended by you. I have seen some of the...
Hello There, Swirl angle is the angle between measured representative exhaust gas...
Thank you so much for such a wonderful reply. Currently we are not facing high spread problem,...
What to say, CSA has left nothing to add. If I had initialized the answer I would have used,...
Topic: Power generation equipment control.
from the Maintenance department...
Problems with air intake and dirty turbine
Originally posted by Arianna Mambrini on 23 July, 2014 - 4:30 am
Air intake filters clean but turbine dirty
New Replies:
Hello there, Please let us know about the kind of inlet duct and the paint which was applied in...
Arianna, Sounds like the filters are relatively new. When was the turbine last washed before the...
Topic: Power generation equipment control.
from the From Excitation Department department...
EX2000 Fault : ST 717_ _PS AC IN and FL 711_ _MCP SYNC
Originally posted by electricalman on 7 July, 2014 - 3:58 am
We have EX2000 with static exciter type which is installed on our Steam Turbine Generator, made by GE.
New Replies:
We also have the same error code 717 on our EX2000. We changed the DCFB board but that did not...
Topic: Power generation equipment control.
from the Electrical department...
Selection of VCB as per short circuit current
Posted by Shaheed on 23 July, 2014 - 3:22 am
Do we need to replace the VCB of a machine with higher short circuit rating if more machines add parallel at same bus bar.
Topic: Engineering and workplace issues.
from the Controls department...
GE Gas Turbine IGV angle
Originally posted by BND on 28 June, 2014 - 4:31 am
What is the logic? GTG is not operating in Temperature Control mode.
New Replies:
Sameh Salama: Glad to receive your reply.But this is out of my capability, lets ask CSA for...
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