from the Forum department...Gas turbine compressor output
pressure output from gas turbine compressor
By nvk on 6 November, 2012 - 11:12 pm -
Generally gas turbine (with reference to 9FA frame) compressor discharge pressure is measured with...
from the Forum department...Reliance Quality Controller & AutaMax
problem with automax 2 axis servo controller
from the Private department...Question about two-phase generator
What is the correct answer of this question?
Angel... because the generated voltages are 90° apart and the phase loads equal and resistive, the...
from the Forum department...Density meters
Description of density meters required for the measurement of process fluid density.
from the Forum department...Safety for a dial table indexer?
A simple problem, but I'm not even sure where to begin. A dial table with operator interaction, and not sure what parts must be protected by an e-stop.
By Richard Harris on 5 November, 2012 - 10:58 am -
The requirements for two had control is found in ANSI B11.19. For safety it is not a requirement...
By Ken Emmons Jr. on 5 November, 2012 - 8:33 am -
What kind of control is the "indexer" you speak of? Is this a smart servo drive, motion...
from the gad trubine control system department...moog servo valve operation
How does a MOOG servo valve operate?
Very well explained by CSA, thank you take care G.Rajesh...
Bruce Thompson, It's very ... scary to see the changes in personnel hired to operate and...
By nvk on 2 November, 2012 - 5:34 am -
thanks for reply Thompson.. basically im from instrumentation background new to the power plant...
VK, Here is a link to a cutaway view of the internals of a Moog servo-valve on Page 4, Fig. 6,...
By Bruce Thompson on 1 November, 2012 - 12:55 pm -
You have many questions. How is it that you are asking so many questions? It appears that you...
from the Forum department...Has anyone encountered PROPRIETARY LADDER LOGIC?
We have a fabricator to whom we have paid millions of dollars who refuses to turn over any logic diagrams, ladder logic, HMI, etc., claiming it to be proprietary.
By Rob on 4 November, 2012 - 8:27 pm -
> * Part of the process being controlled is proprietary to our company, protected > under...
By Hal Popplewell on 4 November, 2012 - 8:42 am -
Clearly the purchasing contract "should" have specified logic ownership. To clarify, I...
from the Applications department...Non-Nuclear Density Meter For Slurry
Does anybody know of a non-nuclear continuous in- line density meter for slurry?
Hi Rosie, thanks for the update and explanation....
from the Forum department...GE MARK V Manuals
GE MARK V Manuals
Desi, I have sent you Hope can be helpful, Regards, BR...
By Desi on 28 October, 2012 - 11:53 pm -
Thanks! I will follow up with our Local Rep again Regards Desi...
By Desi on 28 October, 2012 - 12:05 am -
Moderator's note: Forum members often post here looking for manuals, and then there are...
from the Forum department...EEX d + INSTRINSICALLY SAFE
Connecting flame proof device EEX d (faure herman ultrasonic transmitter) to an intrinsically safe system
Hi Rashid, The situation you are describing seems quite complex - and is getting well away from...
One further clarification Bruce The system designer is using isolating switch relays for all...
Field instruments are now largely available with dual certification i.e. Ex(d) and Ex(i) . This is...
Hi Rashid, As I interpret your situation, the instruments which are rated Ex d [ia] IIC will...
A related question for Bruce I am verifying a vendor package right now. As per the spec the...
from the Forum department...Series 4 Compressor Control system (CCC) to S5V or S5M
Could you please share your experiences about upgrading CCC Series 4 to S5V or S5M?
from the Electrical Engineering department...Variable Frequency Drive
Using variable frequency drive and energy conservation
from the Instrument department...Reliability of Magnetic Level Switches (Reed)
Are external magnetic switches (reed type) reliable? Are they available with any sort of SIL rating?
from the I&C department...book for I&C
books for I&C engineer
> Can anyone please provide some names of good books for an I&C engineer? Please contact...
from the Instru department...Power Supply Grounding/Earthing Concepts
Want some information about floating and grounded power supply systems
This might be helpful: ...
By PKB on 28 October, 2012 - 1:22 am -
For a floating 24V power supply, if we check the voltage between positive and ground or negative...
from the Engineering department...High enclosure temperature of Gas Turbine LM2500
We have two gas process compressors driven by Gas Turbine GE LM2500, one the units got problem with Enclosure high temperature which limit loading the compressor, this issue impact with summer & ambient increase temperature
By Theo on 30 October, 2012 - 8:40 am -
Add piping on the sump vents and put this hot air to the exhaust plenum or outside the package....
from the Forum department...Benefits of Diode Oring
What are the benefits of Diode Oring?
from the Electrical department...Transformer Rating Conversion
Converting ONAN (55 deg. C), ONAN(65 Deg. C), ONAF (65 deg. C) rating
from the Electrical department...Cable Trench
query regarding cable arrangement in a trench
Fiber optics are not effected by electrical noise....
from the Electrical department...Busbar Differential Protection
Busbar Differential protection for MV switchgear for 2 out of 3 (2/3) Incomer logic
Dear Veenaks Thanks ! I understood from your reply....
By veenak on 27 October, 2012 - 5:33 pm -
Dear Pal, Bus differential scheme for a switchboard with Two Incomers and one Bus coupler shall...
By Pal on 27 October, 2012 - 12:34 am -
Dear Nic, Thanks for your reply. And I am sorry for replying late. As you stated above i...
Pal... Thanks for the your response. Nic provided some logic comments/details as a guide. But, I'm...
from the Forum department...Pressure Switch on a Fuel transfer pipe
What is the zone classification for a sensor installed on the fuel transfer line?
Hi Kamath, The right question to ask is - "Is the switch a possible source of...
from the Instrumentation department...Temperature sensor/transducer
Temperature Conversion by adding resistors
from the Electrical department...Fail safe terminology
Fail safe terminology - Can anybody explain what is meaning fail safe start command to DG set?
from the control & instrument department...flow transmitter
Installation of new flow transmitter
By James Fountas on 26 October, 2012 - 8:46 am -
The information you provided is incomplete and may contain errors. The OD suggests a nominal...
from the Forum department...What is needed to measure: gauge pressure or absolute pressure
For measuring hydraulic pressure of a high pressure pump, what do i need to measure: absolute or gauge pressure?
By Roy Matson on 25 October, 2012 - 7:25 pm -
Gauge Pressure Absolute pressure transmitters are normally used where the process will be...
from the engineer department...how to join card horner HE693STG884H to PLC GE-Fanuc 90-30 used versapro
Plz help to configure this card..tks
By Russ B on 25 October, 2012 - 11:12 am -
> I can't find this card (HE693STG884H). is it true this product from this company? where i can...
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-- Christopher Marlowe