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Control.com member...
Member Information and Posts by CSA
Originally posted by GTENG on 19 November, 2014 - 11:53 pm
Mark V speedtronic for GTG control trips when "R" computer automatically reboots.
New Replies:
GTENG, Further to the above, the issue with L4ETR1 does concern me. But, something one needs to...
Hi! GTENG, The overwhelming majority of the time when the turbine trips while testing the...
Topic: Power generation equipment control.
from the Forum department...
Gas Turbine Low CPD
Originally posted by RY on 6 November, 2014 - 9:43 pm
GT CPD dropped by 0.5 bars and 10MW.
New Replies:
RY, Yes, I did miss the word booster; my bad. But I still fail to understand how heating of the...
RY, I didn't respond because based on the information...
RY, Thanks very much for the feedback. However, There is normally a mechanical stop on the...
Topic: Power generation equipment control.
from the INSTRUMENTATION department...
Problem with modbus getway
Originally posted by Not the real CSA on 9 July, 2014 - 5:32 pm
Communicating with Mark VI via HMI or getway
New Replies:
H A R, This SRV "problem" seems to be related to this (old) thread: ...
Topic: Power generation equipment control.
from the Forum department...
Changing SRV Valve setting
Originally posted by 8784597 on 16 October, 2014 - 4:28 pm
I need help to change the set point for SRV open position.
New Replies:
12542654/rwailikhalid, This is frustrating--I'm sure for the both of us. You are mixing two...
rwailikhalid, FPRG is a control signal database signal name for P2 Pressure Reference (Fuel...
Topic: Power generation equipment control.
from the power plant department...
CRV plate functioning in SRV & GCV
Originally posted by vasu on 7 August, 2011 - 6:04 am
CRV plate installed in EHC system.
New Replies:
The 900-pound gorilla in the room (that's an English term for a very large--and visible--problem...
Anyone can download the .pdf file using this URL: ...
Topic: Engineering and workplace issues.
from the Maintenance department...
Supplying Generator Rotor Using Carbon Brushes
Originally posted by Saudaslam on 16 November, 2014 - 5:35 am
why we give supply generator rotor DC directly through carbon brushes instead of exciter?
New Replies:
Saudaslam, you're very welcome....
Saud Aslam, Carbon brushes are the best for transmitting high current from an exciter output to...
Saudaslam, DC isn't just something that comes from an outlet in the wall; it has to be...
Topic: Power generation equipment control.
from the instrumentation department...
MARK 5 Control System
Originally posted by shyam on 18 November, 2014 - 2:38 am
Diagnostic alarms occurring after shut down.
New Replies:
Dear, Usually when these kinds of problems start without some other event (lightning strike,...
Topic: Power generation equipment control.
from the Automation List department...
What makes a generator increase load
Originally posted by kumarash on 10 August, 2008 - 3:49 pm
What makes a generator coupled to a gas turbine increase load when load raise command is issued to Mark V
New Replies:
SGS, > Why there is always a consistent voltage of 11 kV in most of the generators up to 100...
SGS, These "torque angles" are the result of loading a synchronous generator and it's...
Topic: Human-Machine Interface and SCADA.
from the instrumentation department...
mark 5 control system
Originally posted by shyam on 22 June, 2014 - 9:56 am
Inlet guide vane stroke checking using demand display.
New Replies:
TC, Thanks for the feedback! As you said, what makes threads really meaningful is being able to...
TC, I'm really not clear on the problem(s).... Have you verified the polarity of the current...
TC, I'm surprised there is a significant difference between the voltages at the TBQA and the...
Topic: Power generation equipment control.
from the Forum department...
AVR Minimum and Maximum
Originally posted by Roman69 on 16 November, 2014 - 10:33 pm
What are AVR minimum and maximum settings for?
New Replies:
Roman69, The question in the thread is, "What does these levels (Var min and Var max)...
Topic: Power generation equipment control.
from the GT Tri Matrix department...
GE Exhaust Spread Trip Logic
Originally posted by JG on 17 November, 2014 - 5:07 am
What is the exhaust spread trip logic on different GE gas turbines?
New Replies:
JG, Actually, there is virtually no difference in exhaust spread trip logic with one little...
Originally posted by Marcin2706 on 5 November, 2014 - 2:19 am
I want to develop a mathematical model of Gas Turbine - GE Frame 9. I want to get some informations about compressor.
New Replies:
Marcin2706, > The second problem is DLN I Combustion system. In DLN I system the exhaust...
Marcin2706, I didn't find a question in this latest post.... In either type of combustor the...
This simply amazes most people--because they assume that the Great and Vaunted Speedtronic adjusts...
Marco Polo, This information isn't in the Control Specification (which, among other things,...
Marcin, We're happy you're getting a lot of good information from control.com. However, the...
Topic: Power generation equipment control.
from the Power Generation department...
Gas Turbine control - Hardware Part Trip of L4
Originally posted by Neo on 19 October, 2014 - 8:02 am
When Hardware causes the trip of L4
New Replies:
Ann, > Is this true ? + 125 V DC and - 125 V DC? > Not + 62.5 V DC and - 62.5 V DC ? ...
Neo, As you wish. But, if you haven't discovered this already learning background information...
Neo, I would answer no; our L4 journey is not complete, as we didn't finish all of the L4T rungs...
Neo, 1) Yes; there are ways to trip the turbine via the Control Oil or Trip Oil system. Units...
Neo, I'll try to answer your questions, but I'm not clear on at least one of them. Yes; you...
Okay, Neo, It's important to note that the fuel stop solenoids of GE-design heavy duty gas...
Topic: Power generation equipment control.
from the DBVIB CONSULING department...
MARK IV - FRAME 6 - Vibration Filter
Originally posted by Damien PELISSON on 16 November, 2014 - 4:36 am
Is it possible to configure a vibration filter?
New Replies:
Damien PELLISON, If you're referring to the velocity ("seismic") vibration pick-ups...
Topic: Power generation equipment control.
from the Forum department...
servo valve calibration
Originally posted by ESKAY on 19 May, 2013 - 4:16 pm
Distillate fuel servo calibration
New Replies:
aim, > What about the feedback from the speed pick-up 77FD1 and 77FD2 on the flow divider? ...
Topic: Power generation equipment control.
from the Forum department...
Gas Turbine Startup Problem
Originally posted by Vinayak on 7 November, 2014 - 10:08 am
IGV not opening during startup of Gas Turbine
New Replies:
G.Rajesh, You make an excellent point: If it was possible to stroke the IGVs manually, then...
During start-up the IGVs should start opening at approximately 80% speed. The reference is (or...
Topic: Power generation equipment control.
from the What Alarm Is It? department...
Cannot Communicate with Cimplicity
Originally posted by technical on 9 November, 2014 - 12:42 pm
Project file locked and cannot open Cimplicity
New Replies:
HAR/technical, 2) Yes; it's correct that if someone copies files from a running project that all...
HAR/technical, If all the CIMPLICITY project files were marked as read only that would mean it's...
Topic: Power generation equipment control.
from the Operation department...
How to Add Event or Alarms in MARKVI
Originally posted by technical on 3 November, 2014 - 4:40 pm
How to add event in cimplicity and find source of ground alarm?
New Replies:
MIKEVI, Thanks very much for the information. Your practice of 'Validate'ing a file before...
MIKEVI, Quick question: Why is it necessary to 'Validate' the .hmb file and then 'Put to the...
Originally posted by Rokan Uddin on 1 November, 2014 - 12:49 pm
What is the minimum time to run Turning Gear for GE-9E dual fuel gas turbine?
New Replies:
Rokan Uddin, GE TAs typically have extremely little experience operating GE-design heavy duty...
Topic: Power generation equipment control.
from the SWID department...
MARK VI Turbine with Alarm XMIT
Originally posted by Fadhel on 1 November, 2014 - 5:54 am
Ge mark vi turbine trip with (ALARM XMIT SUSPENDED. CPU SWITCHED)
New Replies:
Fadhel, The alarm 'ALARM XMIT SUSPENDED. CPU SWITCHED' has been covered in previous threads on...
Topic: Engineering and workplace issues.
from the ELECTRICAL/INSTRUMENTATION department...
Why IRP Used for Interface Between DCS and MCC
Originally posted by VINNY on 29 October, 2014 - 12:50 am
Why is an IRP panel is used between DCS and MCC?
New Replies:
VINNY, > Why IRP panel is used between DCS and MCC? I presume by "IRP panel"...
Topic: Engineering and workplace issues.
from the Instrumentation department...
Why shield should be at one end in cabinets
Originally posted by Sudheer on 13 July, 2013 - 10:38 am
When instrument shield connection to ground, why connect at one end of the cable, especially internal cables?
New Replies:
d, > The electricians only wire what is on the drawing and more than a few engineers have...
Srbg, What you are describing is entirely possible--and would be correct as long as the shield...
Topic: Information resources, documentation.
from the Forum department...
Instrument Learning Materials?
Originally posted by Dave on 30 October, 2014 - 7:54 am
New instrument engineer, could use some help!
New Replies:
Hi, Dave, First of all, let me say I've been lax in reading other non-turbine control...
Originally posted by mohanad on 26 October, 2014 - 1:48 am
I want to send a signal via MODBUS to Emerson DCS
New Replies:
CuriousOne, If I only had a nickel for every time I have heard that refrain I would be a very,...
It's not really clear what mohanad is asking. It could be that he wants to establish an entirely...
Topic: Power generation equipment control.
from the Instrumentation department...
Mark V A6 state
Originally posted by G.Rajesh on 22 October, 2014 - 12:33 pm
Mark V <C> at A6 state after modify and download IO.ASS and IOCFG
New Replies:
G.Rajesh, Hmmm.... I have never encountered a field wiring problem that caused a processor not...
Topic: Power generation equipment control.
from the Operations department...
GE MS-6Fa Operations
Originally posted by Jotang84 on 22 October, 2014 - 8:10 pm
How does generator control modes (Voltage,PF and Var) works and affects generator operations.
New Replies:
Jotang84, If VAr control mode is selected and a VAr setpoint is entered the Speedtronic will...
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