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Control.com topic...
Engineering
Topic: Software, including programming, OS issues, etc.
from the Software smithery department...
Ethernet/IP and Python
Originally posted by Mark Q Norman on 22 November, 2013 - 9:31 am
Need some help on using Python to test Ethernet/IP implementation.
New Replies:
Lynn, I'm working on a simulation software based on python, and I need to be able to read and...
Topic: Engineering and workplace issues.
from the Operation department...
Using Synthetic Oil in Gas Generator
Posted by GE on 24 July, 2014 - 8:55 am
Why use synthetic oil in GE LM 2500 gas turbine?
Topic: Sensor technologies.
from the Control Systems department...
1oo2 voting for temperature transmitter
Originally posted by christine on 23 July, 2014 - 4:30 am
1oo2 voting for temperature transmitter
New Replies:
you might consider placement in valve-free connecting pipe, but that depends on a number of...
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:
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,...
Izhar, The description below presumes your questions refer to a GE-design heavy duty gas...
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...
Neo, Already i checked the diesel engine loaded speed which was 2320 rpm and replace the torque...
Sameh Salama: How is everything going? Did you solve the thermal blockage problem by...
Topic: Application Questions and Problems
from the CBM department...
lube oil level
Originally posted by syed on 14 July, 2014 - 9:24 am
Which Lube oil tnk level to be used: Absolute or relative
New Replies:
Sam, great detail you have provide. Thank you very much for the response. This is really...
Something to take into consideration is that the pressure at the bottom of a column of liquid will...
Sam, thanks for your reply. You have given an excellent point that i cannot really find in any...
In most cases there is a reason for measuring the level of a product in a vessel and that is to...
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, Pretty good description; but I would be surprised if FSR actually goes to 33% during...
Dear CSA, thank you for showing interest in my question. major events up to FSNL in my opinion...
Topic: Sensor technologies.
from the Instrumentation department...
analog 4-20mA output transmision
Originally posted by Kiyani on 10 May, 2012 - 6:02 pm
Analyzers analog output signal 4-20mA transmission
New Replies:
Is it safe to run analog and digital instrument signals in the same mulicore cable? multicore is...
Originally posted by SB on 19 July, 2014 - 4:51 pm
Please help understanding control specification of GE-design heavy duty gas turbine
New Replies:
CSA, Thank you very much! I'll also prefer ignoring the "extra" maths....
SB, The section you provided seems to be from a very early Mark IV Control Specification. The...
Topic: Power generation equipment control.
from the Power generation department...
Generator and Capacitor Bank
Posted by fluidflow on 22 July, 2014 - 1:04 am
Totally stumped by the recent brawl over utility of capacitor bank in power generation.
Topic: Power generation equipment control.
from the serious department...
charge accumulator
Originally posted by Kene on 23 October, 2011 - 1:17 pm
charge accumulator method
New Replies:
I am not familiar with GT's hydraulicss. I can comment on ST's which should have similar design...
MJ, You should be able to find the pressure listed on the Device Summary for the machine. The...
Can anybody tell me what should be the nitrogen Pressure in Accumulator for Frame-6 machine. we...
Topic: Engineering and workplace issues.
from the Forum department...
Maximun Shutoff Differential in a valve
Originally posted by Biju on 31 May, 2011 - 3:59 am
Significance of Maximum Delta P shut off for valves
New Replies:
Hi all > However, actuator will be designed for 5 barg. This means valve will not >...
It's absolutely true. Best thing to design the Shutdown valve actuator for shut-off pressure as...
Topic: Engineering and workplace issues.
from the Engineering department...
Flange Adaptor and Isolation for Press Transmitter
Posted by Josh on 19 July, 2014 - 11:45 pm
Mismatching flange between tank nozzle and transmitter
Topic: Engineering and workplace issues.
from the Forum department...
Dew Point temperature of Natural Gas
Originally posted by Lucky on 11 July, 2014 - 2:49 am
How to calculate the dew point temperature of the Natural Gas?
New Replies:
Coutesy of CSA: "If you have "a recent natural gas analysis report from a reputable...
Hi CSA, I could able to locate the Superheat requirement details document for Natural gas. it...
the S.G. for the revised composition is 0.64. the GCV and NCV can be calculated in similar...
basic stoichiometry you'll have to consult text books to get started. Some portions of the...
Hereby i am providing details from one more report of the NG, % Mole composition - CH4- 90.04, ...
The condensation point is calculated on the basis of your stated molar composition. That...
> you have exceptional dry gas, in your case C3 drops out first, so condensation > is not an...
Swoosh... control members are very quick. Sir, We do not have DLN combustors at site for GE 9E...
Topic: Engineering and workplace issues.
from the shielding department...
Control Wire Shielding with Clear Shrink Tubing
Originally posted by dbnaca on 17 July, 2014 - 4:27 pm
Is there a code requiring the use of clear heat shrink tubing on the shield wire for control cabling?
New Replies:
CE requirements suggest that the ends of a shield cable have to be protected in some way, but does...
you'll have to consult your local codes, and the codes of the area where your customer is located....
Topic: Power generation equipment control.
from the INSTRUMENT department...
Calibrating a Vibration Monitor
Posted by RAJESH on 16 July, 2014 - 5:32 pm
How to calibrate velometer in vibration?
Topic: Engineering and workplace issues.
from the Control Logic department...
Centum VP Logic
Posted by mmsystems on 16 July, 2014 - 1:51 am
write a logic for PUMP
Topic: Computers in manufacturing; also hardware discussion.
from the serious department...
control adinistration
Originally posted by Reeny on 17 May, 2014 - 4:41 pm
is there a way to normalize the new ES with the AS?
in Siemens TXP control system
New Replies:
Not sure what your experience level is. The process for someone with little unix exposure may not...
Topic: Engineering and workplace issues.
from the Engineering department...
square root extraction
Originally posted by ss on 5 October, 2002 - 11:19 am
kindly furnish the difference between a transmitter configured with square root extraction and linear...
New Replies:
>> But how can I arrive at the series of output signal values of 4, 8, 15.31, >>...
Thanks, This was the first unimpressive, yet clear explanation of how to calculate the DP, or mA...
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Driving a Stepper Motor
Originally posted by Hans on 18 April, 2014 - 3:40 pm
I am seeking advice on the best methods to effectively control a stepper motor.
New Replies:
Why a stepper motor and not a BLDC motor?...
Topic: Engineering and workplace issues.
from the electrical engineering department...
% impedance of power transformer
Originally posted by ramesh on 5 August, 2008 - 1:12 am
Elaborate on % impedance of power transformer.
New Replies:
Dear Sir, I am using 63kVA 20/.4kv, 4% impedance transformer. Will it have fault level current =...
Originally posted by ANA on 12 July, 2014 - 3:11 pm
Single controller for multiple purposes
New Replies:
I am assuming that the final output of the flow controller is a position command to a control...
of course simulteous control is not possible, but to talk about valves in a specific...
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