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Control.com topic...
Power Generation
Topic: Engineering and workplace issues.
from the Modeling 3-winding xfo on EasyPower department...
3 winding transfromer model
Originally posted by Lespoils on 19 March, 2014 - 10:20 am
Need help finding R1 X1 R0 X0 from Z=X% and need help finding Zst on a 3-winding xfo.
New Replies:
Lespoils... if there is the possibility you can get secondary and tertiary loads about equal,...
Lespoils... stop hitting you head against a brick wall! You said it yourself... "Maybe I'm...
Topic: Power generation equipment control.
from the ABB Advant department...
ABB OS500 upgrade
Originally posted by Will P. on 5 March, 2014 - 5:46 pm
ABB OS500 upgrade to newer version HP B2600
New Replies:
Will, you are correct that the extensions program only backs up the ABB station settings,...
Thanks for the reply. As you mentioned, I have contacted On-Queue and following with them...
Topic: Power generation equipment control.
from the powerplant department...
Atomizing Pressure
Posted by ABDI on 20 March, 2014 - 7:03 am
When unit starts we always have low atomizing pressure alarm
Topic: Power generation equipment control.
from the Forum department...
Mark V Ribbon cables
Posted by Pashka on 20 March, 2014 - 5:39 am
Exactly length of Mark V ribbon cables
Originally posted by Samnix on 17 March, 2014 - 1:18 pm
In an attempt to start a GE MS50001 turbine, the start command is not going through to the control system when it is clicked from the HMI.
New Replies:
Thank you very much for your response, I will do all of these things and get back to you on the...
Samnix, Have you tried using the <BOI> to initiate a start? (There are instructions in the...
Samnix, Have you used VIEW2 to see if L1START_CPB is changing from a logic "0" to a...
Originally posted by Jack on 18 March, 2014 - 8:46 pm
Ground Fault Current Path for Multiple Sources
New Replies:
Jacků the Drawing you submitted is a generalized illustration of a 3-ph, 4-wire, LV (< 1,000V)...
Topic: Power generation equipment control.
from the Electrical department...
Fault level ISc
Originally posted by Shaheed on 17 March, 2014 - 2:01 am
I was selecting a main incomer VCB for a turbo generator TG of 16000KW. I proposed VCB of 31.5KA but an expert calculated fault level total 23.62KA and advised to select VCB of 25KA.
New Replies:
Sir, Thank you for reply. I had emailed you the expert provided sheet but not received you!...
Shaheed... to start: 1) 'Expert' is correct about using Xd" for calculating CB's...
Topic: Power generation equipment control.
from the Forum department...
Changing Careers looking for advice
Originally posted by surya on 10 February, 2014 - 6:28 am
Please give me some guidelines that i am changing my careers from mechanical stream to instrumentation
New Replies:
Hi CSA, Noted with thanks :)...
Originally posted by Arun on 18 March, 2014 - 2:05 pm
Regarding Purge Air Compressor/IBH/TK fan change over
New Replies:
> A Frame 6 DLN2 Dual Fuel is a rare beast. Can you confirm this is correct? > Is this a 6B...
A Frame 6 DLN2 Dual Fuel is a rare beast. Can you confirm this is correct ? Is this a 6B or 6F. ...
Topic: Power generation equipment control.
from the Diesel Electric DP Vessels department...
Detection methods for AVR loss of sensing in weak networks
Posted by Yngve S on 18 March, 2014 - 3:12 pm
I am looking for ways to detect a loss of sensing voltage scenario on weak grids in offshore power systems installed in rigs and DP vessels
Topic: Power generation equipment control.
from the mechanical department...
Frame 6 Racheting
Originally posted by arindam on 17 March, 2014 - 12:27 am
While commissioning of ratcheting mechanism, the jaw clutch got engaged, but is not able to rotate the shaft.
New Replies:
Arindam, First, the teeth of most jaw clutches are designed such that they are tapered and will...
Dear Arindam, It looks like the strength of springs in the two hydraulic rams have weakened....
Topic: Power generation equipment control.
from the Electrical, generators department...
Generator losing load
Originally posted by Hans-Petter on 15 March, 2014 - 6:50 pm
Losing load, open main breaker, closing it again, starts to take load
New Replies:
First you can not mention that the fault occur in one generator or the same other two. if this...
Topic: Power generation equipment control.
from the Power Plant Maintenance department...
Steam Turbine Problem
Originally posted by Khalid on 17 March, 2014 - 10:34 am
High water content in oil tank
New Replies:
1) gland steam allowing steam to escape the shaft seals and blow into the oil deflectors 2) ...
Originally posted by Jose Orlando R. on 28 February, 2014 - 8:04 am
List of advantages/disadvantages of the SpeedTronic Mark IV for vibration measurements.
New Replies:
CSA Thanks a lot for the link ;). Im cheking it out right now and will make a decision y a...
Topic: Power generation equipment control.
from the powerplant department...
Going to Premix Mode from Lean Mode
Originally posted by abdi on 2 December, 2013 - 11:37 pm
why premix not done in GE FRAME9
New Replies:
Dear Abdi, I can only repeat what CSA said as there is no way I can explain things the way that...
ABDI, The fundamentals of transferring from Lean-Lean to Premix are as follows: 1) Reduce the...
Hi, We check the combustion hardware but we didn't see any problem. We can't go to premix...
Topic: Power generation equipment control.
from the Instrumentation & Control department...
Flow Divider Magnetic pick ups
Originally posted by Wajid Hussain on 31 August, 2013 - 3:32 am
Flow Divider Magnetic Pickups were hunting repeatedly during Start up and Shutdown of Gas Turbine Frame 9E (3000 rpm) Mark VI controlled.
New Replies:
We had the same problem whenever the gas turbine (fr 5 -Mk Vie) is running on gas fuel also. i.e...
Topic: Power generation equipment control.
from the Forum department...
GE LM 6000 VBV position error
Originally posted by Liji on 11 March, 2014 - 12:08 am
VBV a, b position feedback difference of 8-10%
New Replies:
Liji, Thank you VERY MUCH for the detailed information. It would appear that the condition is...
Hi, 1. We swapped the cables and checked. the problem also got swapped. 2. From the field the...
Hmmm.... Have you tried swapping the two inputs and seeing if the difference is the same? Are...
Topic: Power generation equipment control.
from the control department...
Equivalent operating hours calculation
Originally posted by sandy on 5 February, 2013 - 4:34 pm
what determines eoh and eh counter reading?
New Replies:
when we increment ES&EOH counters? Do we calculate once m/c reaches baseload? what about part...
Topic: Power generation equipment control.
from the instrumentation department...
Mark V HMI back up
Originally posted by shyam on 12 March, 2014 - 3:57 pm
Back up of the mark 5 control system using windowsNT based HMI?
New Replies:
I just remembered: Acronis was, at least until very recently, being used with great success by GE...
This can be very easy (depending on your familiarization with PKZip and command-line programs) or...
Topic: Power generation equipment control.
from the Automation CMMS department...
MAXIMO (MRO) features
Originally posted by Henny on 12 March, 2014 - 6:11 am
Changing CMMS
New Replies:
We have it, it works but is fairly complicated, and can be very difficult if not customized for...
Topic: Power generation equipment control.
from the Forum department...
HMI selectors identification
Originally posted by Amr Karam24 on 10 March, 2014 - 5:22 pm
identifing some selectors on the HMI
New Replies:
CSA, Point taken, IGV's do operate differently on DLN units than what I stated. All of my...
Thank you both CSA, otised. I'll try to contact GE belfort and have more information about...
otised, I agree with everything you said--except this unit...
IF SC means Simple Cycle and CC means Combined Cycle, then: The main difference is the control...
Topic: Engineering and workplace issues.
from the Forum department...
Power Factor Correction Panel
Originally posted by Sensorless on 11 March, 2014 - 12:28 pm
How to decide the Kvar required in a power factor correction panel to improve the power factor of 25 Kva load.
New Replies:
Ok...i got it...Thanks...
Topic: Power generation equipment control.
from the Power Generation department...
Starting of large Induction Motor on Gas Turbine Generator
Originally posted by Arjun Sharma on 26 February, 2014 - 9:56 pm
Starting of the biggest Induction motor on Gas Turbine would trip the complex because of an instantaneous overloading is the concern. The voltage drop may also cause the tripping of downstreams. So, suggestions are required regarding the same.
New Replies:
Arjun Sharma... as a rule of thumb, if the Generator is a least twice the capacity of the...
Dear Sir, My apologies for late reply. We have started the motor successfully yesterday. The...
Topic: Power generation equipment control.
from the Forum department...
DC lube oil pump
Originally posted by amr karam on 7 March, 2014 - 9:56 am
How to operate the DC lube oil pump and the hydraulic at the same time
New Replies:
You may want to look at your GE 9FA package AS-BUILT P&ID. Then you may want to verify what...
Topic: Power generation equipment control.
from the Forum department...
Import csv to toolboxst trend
Originally posted by said on 12 March, 2014 - 11:30 am
importing csv signals with data to toolboxst trend
New Replies:
said, It's possible to export ToolboxST trend data to .csv format, I believe via the File |...
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