from the Modeling 3-winding xfo on EasyPower department...3 winding transfromer model
Need help finding R1 X1 R0 X0 from Z=X% and need help finding Zst on a 3-winding xfo.
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...
from the ABB Advant department...ABB OS500 upgrade
ABB OS500 upgrade to newer version HP B2600
Will, you are correct that the extensions program only backs up the ABB station settings,...
By Will P. on 17 March, 2014 - 7:40 pm -
Thanks for the reply. As you mentioned, I have contacted On-Queue and following with them...
from the powerplant department...Atomizing Pressure
When unit starts we always have low atomizing pressure alarm
from the Forum department...Mark V Ribbon cables
Exactly length of Mark V ribbon cables
from the Control department...Start Command not going through to Gas Turbine
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.
By Samnix on 19 March, 2014 - 3:49 pm -
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...
from the Forum department...Ground Fault Current Path for Multiple Sources
Ground Fault Current Path for Multiple Sources
Jacků the Drawing you submitted is a generalized illustration of a 3-ph, 4-wire, LV (< 1,000V)...
from the Electrical department...Fault level ISc
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.
By Shaheed on 19 March, 2014 - 6:50 am -
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...
from the Forum department...Changing Careers looking for advice
Please give me some guidelines that i am changing my careers from mechanical stream to instrumentation
By KKS on 19 March, 2014 - 4:44 am -
Hi CSA, Noted with thanks :)...
from the Forum department...Regarding Purge Air Compressor/IBH/TK fan change over
Regarding Purge Air Compressor/IBH/TK fan change over
By Arun on 19 March, 2014 - 1:13 am -
> A Frame 6 DLN2 Dual Fuel is a rare beast. Can you confirm this is correct? > Is this a 6B...
By moose on 18 March, 2014 - 9:05 pm -
A Frame 6 DLN2 Dual Fuel is a rare beast. Can you confirm this is correct ? Is this a 6B or 6F. ...
from the Diesel Electric DP Vessels department...Detection methods for AVR loss of sensing in weak networks
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
from the mechanical department...Frame 6 Racheting
While commissioning of ratcheting mechanism, the jaw clutch got engaged, but is not able to rotate the shaft.
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....
from the Electrical, generators department...Generator losing load
Losing load, open main breaker, closing it again, starts to take load
First you can not mention that the fault occur in one generator or the same other two. if this...
from the Power Plant Maintenance department...Steam Turbine Problem
High water content in oil tank
By JFB on 17 March, 2014 - 2:15 pm -
1) gland steam allowing steam to escape the shaft seals and blow into the oil deflectors 2) ...
from the Doubts! department...Speedtronic control system and vibration measurements on Mark IV
List of advantages/disadvantages of the SpeedTronic Mark IV for vibration measurements.
CSA Thanks a lot for the link ;). Im cheking it out right now and will make a decision y a...
from the powerplant department...Going to Premix Mode from Lean Mode
why premix not done in GE FRAME9
By MIKEVI on 16 March, 2014 - 12:16 pm -
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...
By ABDI on 15 March, 2014 - 6:19 am -
Hi, We check the combustion hardware but we didn't see any problem. We can't go to premix...
from the Instrumentation & Control department...Flow Divider Magnetic pick ups
Flow Divider Magnetic Pickups were hunting repeatedly during Start up and Shutdown of Gas Turbine Frame 9E (3000 rpm) Mark VI controlled.
We had the same problem whenever the gas turbine (fr 5 -Mk Vie) is running on gas fuel also. i.e...
from the Forum department...GE LM 6000 VBV position error
VBV a, b position feedback difference of 8-10%
Liji, Thank you VERY MUCH for the detailed information. It would appear that the condition is...
By Liji on 14 March, 2014 - 2:29 am -
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...
from the control department...Equivalent operating hours calculation
what determines eoh and eh counter reading?
By GTT on 14 March, 2014 - 9:05 am -
when we increment ES&EOH counters? Do we calculate once m/c reaches baseload? what about part...
from the instrumentation department...Mark V HMI back up
Back up of the mark 5 control system using windowsNT based HMI?
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...
from the Automation CMMS department...MAXIMO (MRO) features
By John on 13 March, 2014 - 2:34 pm -
We have it, it works but is fairly complicated, and can be very difficult if not customized for...
from the Forum department...HMI selectors identification
identifing some selectors on the HMI
By otised on 13 March, 2014 - 10:50 am -
CSA, Point taken, IGV's do operate differently on DLN units than what I stated. All of my...
By Amr karam24 on 12 March, 2014 - 11:27 pm -
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...
By otised on 12 March, 2014 - 12:06 pm -
IF SC means Simple Cycle and CC means Combined Cycle, then: The main difference is the control...
from the Forum department...Power Factor Correction Panel
How to decide the Kvar required in a power factor correction panel to improve the power factor of 25 Kva load.
By sensorless on 13 March, 2014 - 9:46 am -
Ok...i got it...Thanks...
from the Power Generation department...Starting of large Induction Motor on Gas Turbine Generator
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.
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...
from the Forum department...DC lube oil pump
How to operate the DC lube oil pump and the hydraulic at the same time
By BRO-GT79 on 13 March, 2014 - 1:46 am -
You may want to look at your GE 9FA package AS-BUILT P&ID. Then you may want to verify what...
from the Forum department...Import csv to toolboxst trend
importing csv signals with data to toolboxst trend
said, It's possible to export ToolboxST trend data to .csv format, I believe via the File |...
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