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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
Every four seconds a woman has a baby. Our problem is to find this
woman and stop her.
woman and stop her.
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What would be required to connect to the Mark V network using the network switch provided for the Viewers and DCS.
New Replies:
Thank-you very much CSA. I was able to remote PC in to one of the servers.
Also curious though...
The thing to be most concerned with is security! Any PC you connect to the PDH should be scrubbed...
What is the increment/decrement rate of TNR in Speedtronic MARK IV control system
New Replies:
Many many thanks for your explanation.....
But I'm sorry that I failed to clarify my...
I would be extremely surprised to learn that the operators of the national grid to which you are...
Thanks for you post...
> You should be operating at Part Load without Pre-Selected Load...
Gas turbines don't behave very well during frequency excursions if they are at or near Base Load...
from the Forum department...
GT giving 7-8 MW higher Load at Base load mode with same IGV opening, i.e. 84DGAWe have 106 MW, GE Frame 9E gas turbine of control system mark-IV. Before 2 months our GT tripped at 60% speed due to IGV trouble
New Replies:
nanang,
The originator of this thread asked about an abnormally high power output sometime...
Dear all,
after i read all post before, i think there's no wrong with your power plant, it's...
I'm not following your logic, or understanding the sequence of events.
I'm also not...
By HSB on 23 September, 2009 - 7:00 pm -
Dear CSA thanks for reply,
I would like to share with you that we had done IGV calibration in...
By mike on 23 September, 2009 - 1:13 am -
How do they calibrate the position feed back on IGV? is there a offset the put in, Or do they close...
By sd on 22 September, 2009 - 10:48 pm -
Provided that the LVDT calibrations were as good as the recently done. my only bet is that you have...
You say you checked the IGV physical calibration in the recent shutdown but it is found ok. How did...
GT Trip on IGV control trouble
New Replies:
By nanang on 25 September, 2009 - 11:24 am -
dear CSA,
we can see the condition of servo valve and cylinder hydraulic actuator using servo...
Same problem occurs with our machine also. but it happens during startup and GT IGV get opened from...
By DAS on 20 September, 2009 - 4:38 am -
Dear Sirs,
Thank you for your valuable suggestions,
That Mark VI GT is having speedtronics...
By VASANTH on 20 September, 2009 - 12:35 am -
please check diagnostic alarm regarding voting miss match (TCQA /TBCA CARD ERROR), and IGV...
nanang,
Why are you so quick to propose recalibrating the LVDT feedback? Why didn't you suggest...
Dear sir,
first of all, you must give us more information about what its frame? is it using fuel...
How high was the temperature in the control room where the Mark VI panel is located?
You didn't...
By Bagan on 18 September, 2009 - 3:36 am -
Dear Sir,
Now onward while raising query. Please mention the GT frame,control system ,base load...
By sd on 17 September, 2009 - 9:07 pm -
Its very unlikely that the defective a/c could cause the malfunction of the IGV. Check your servo...
How to determine the new exhaust temperature setting of MS5001 GE Gas turbine, after changed of capital part to R or P/NT type.
Why is FSR value different when TNR value is same for 4 units?
New Replies:
Dear HSB,
has this difference in TNR been noticed because of some other problem your trying to...
Deciding key facts of soot blowers and integration with DCS system
New Replies:
By Mik on 24 September, 2009 - 3:51 pm -
Thank you for your replies.
I know that any decent DCS/PLC can handle soot blowing algorithm...
By hsakarp on 23 September, 2009 - 11:19 am -
Interfacing Emerson Ovation DCS with Sootblower system, is via Serial interface card, usually RS485...
C Core repeatedly fails. Causes I/O to freeze.
New Replies:
> What have you done to try to resolve the problem other than resolve a ground? <
...
Auto tuning of PID parameters in controllers
New Replies:
By Hans H. Eder on 24 September, 2009 - 1:57 am -
Auto-tuners have not lived up to the originally high expectations: Many products only work well...
Need documentation about a TPIM Card for MKVI
New Replies:
Ah, the infamous Turbine Protective Interface Module.
It's not a Mark VI card, it's just an...
Are there an industry standard for the proper installation of pressure/flow/level/temperature transmitters, specifically in Fosil Power Generation?
New Replies:
What you're looking for is the API Recommended Practice 551....
Bohdan
1. Refer BS 6739(2009)- Code of practice for instrumentation in process control systems:...
By Dan W on 18 September, 2009 - 7:56 pm -
There is indeed an ANSI/ISA standard for fossil plants:
ANSI/ISA-77.70-1994 (R2005)
Formerly...
By Roy Matson on 18 September, 2009 - 4:05 pm -
I think there is an ISA document but most of the engineering houses I have worked with develop...
Where can I find instructions to rebuilt a car alternator to be used as a wind turbine alternator?
New Replies:
By P malaspinas on 21 September, 2009 - 8:48 pm -
hi Francisco,
its not so easy to make but you have to understand electric motors. any motor can...
explain droop of AVR. Being an electrical engineer i want to know about AVR droop.
fuel change over problem
New Replies:
It's clear there's a problem. Have you spoken to the supplier of this fuel change-over scheme?
...
GT trip during Fuel Change Over
reading parameters using a twido plc and rs485 from the deepseap 5510?
7FA Tripping on Low Hyd. Trip Oil pressure
New Replies:
Thank you for your detailed response. Appreciated. I am in Power Generation. Principal I & C...
In this case, when GE started making heavy duty gas turbines, pressure transmitters were very...
difference between generator current phases
New Replies:
By Phil Corso on 17 September, 2009 - 4:03 pm -
GSA... some detail please:
1) What are corresponding phase-phase voltages?
2) What are...
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