DP type flow transmitter on vacuum column
We have DP Type flow transmitter on pump discharge and this goes to a column under vacuum. Production says flow is not correct.
By W.L. Mostia on 14 August, 2018 - 5:24 pm
We need to know more information such as: 1. Does the transmitter zero properly? 2. If the...
By d on 14 August, 2018 - 9:45 am
D/P transmitters work in such installations, but you need to elaborate. For example, 1. Type...
Rotational Direction of a Turbine Generator
Could you please help me clarify if the rotational direction of a turbine is always the same.
By Osama Arafa on 7 August, 2018 - 4:33 pm
This is a more than sufficient reply, I just would like to add some tiny facts: In the stator of...
DCS Systems for Balance of Plant
Looking for DCS solutions for balance of plant
Ge 9fa Unit During Running Got Tripped Due To Mark Vi Chanel R And T Failure
Ge 9fa Unit During Running Got Tripped Due To Mark Vi Chanel R And T Failure (2 out of 3)
Any Standard or Guidelines for Spare Cores in Instrument Cables
We want to know any specific code or standards that highlight the spare cores for the control and AI,DI, RTD and TC cables to be left inside control cables.
By W.L. Mostia on 4 August, 2018 - 1:02 am
I am unable to translate the description of the core requirements into plain English. I do not know...
Can anyone recommend a web site with this information or a book detailing the JIC Standards for Electrical Drawings.
Linear Motor/XY Table Brands
Looking for good brands of integrated linear motors/tables
GT generator hydrogen purity drop
GT generator hydrogen purity drop
on 30 July, 2018 - 4:46 pm
To mitigate the effects of increased seal oil flow-rates causing decreased hydrogen purity, that...
By A. Sandoval on 28 July, 2018 - 11:14 pm
Today we looked a bit further into the H2 purity and discovered that the scavenging set point in...
Fuel Consumption Issue for Gas Turbine 9fa
Posted by Mohamed nawar on 21 July, 2018 - 9:13 am
Why is fuel consumption at low loads is higher than base load on gas turbine frame 9fa?
By Mohamed on 27 July, 2018 - 8:22 pm
Thank you very much for your effort for explaining and make more calculations this year as it seem...
By Mohamed nawar on 24 July, 2018 - 8:40 am
Dear CSA, Thank you for your brief description and details. but I ask if I use 14 kg/s at 245...
on 23 July, 2018 - 4:56 pm
Mohamed nawar, Every GE-design heavy duty gas turbine control system I ever worked on came with...
Process Safety Time and Set pressure
Verify set pressure based on Process Safety Time
PM3 G3 + Purge Lockout DLN26+
lockout on PM3 Purge line, after a problem of 71pg fault DLN2.6+ (mkvie).
By elomoon on 25 July, 2018 - 8:24 am
Hi. I have attached the screenshot to the address you indicated. In block RUNG_90 it is the...
By elomoon on 19 July, 2018 - 1:16 pm
Hello: Also operating a 9FB, we have never had condensation problems. We have had detection...
MKIV <C> Boot-up Initiates Start
Sometimes when <C> is rebooted a start signal or diesel start is initiated.
Piping & Instrumentation Diagram (P&ID) Analysis Tool
Developing an online tool for extracting information from PIDs
By d on 24 July, 2018 - 4:45 pm
gee, there may be an ISA "standard" but that is not the final answer as every company has...
on 20 July, 2018 - 1:31 pm
I would estimate there would be a market for it, and many sites would find it useful. However, I...
High Voltage Motor Temperature Rise
A high voltage motor temperature increased after rewinding.
Why SP1 is calculated differently in markVIe?
Bench Set, Positioners and Seating Force
Posted by GustavoArg on 1 July, 2018 - 2:02 am
Should I care about the bench set of an actuator if using a valve positioner?
By GustavoArg on 14 July, 2018 - 4:45 pm
Thanks for your reply Roy, I've found practically that for a 100% signal in an Air To Close...
How Does The Output Of The Pid Controller Remain Non-Zero?
How does the output of the PID controller remain non-zero after the error becomes zero?
By d on 17 July, 2018 - 4:30 am
Error is based in the difference of a measured variable and a desired setpoint. The controller...
By Mustafiz on 16 July, 2018 - 6:32 pm
In PID control, the integrator is the reason holding the last accumulated value. integrator is to...
3 Phase Induction Motor Connection
Is it possible to start a motor with a Delta connection in star configuration?