from the Forum department...Turbine Throttle Pressure and 1st Stage Pressure
Difference between throttle pressure and 1st stage pressure
from the Forum department...Turbine Controls
Difference in Turbine Control Modes
from the Forum department...Modbus via microcontroller
Communicating with device via Modbus RTU through a microcontroller.
I'd suggest you first try an easy way to use a PC: http://www.ctrlterm.com/custom.htm Once the...
If it were me, I'd connect a PC with a serial port running a generic Windows Modbus 'test' master,...
from the Operations & Maintenance department...ACC Module on Mark V
Library for instrutions about the keypad on ACC Module in <R> <C> procesors
from the E & I department...Impedance protection for synchronous Generator
What is the concept of Impedance protection for synchronous Generator(turbo/hydro)?
Sajad... are you referring to under-excited operation as related to Impedance-Protection? ...
By sajad on 19 April, 2014 - 7:28 am -
hi... can you explain what the under impedance protection? thank you ...
from the THERMAL GENERATION department...exhaust spread
Why monitor the exhaust spread of a frame 9E gas turbine
A high spread usually means a flame loss in one combustor and it is cause of trip. There is a...
Hi BBSALO, The exhaust spreads parameters are required to protect the gas turbine from...
from the Forum department...Formula for steam flow in venturi tube
Required exact formula to calculate flow in a venturi tube
from the Instrumentation department...Vitec Vibration probe
Installing Vitec 4033-500 in place of 4033-400 velocity transducer
NVS, I don't believe the impedance difference will affect the Mark IV, but you should be certain...
By Franco Kew on 18 April, 2014 - 4:42 am -
Impedance here referring to the electronic segment from your sensing element. 4033-500 is designed...
from the Control department...SynGas Conversion Project
Pointers for Syngas Conversion project in India
Abhishek... what type of conversion process is involved? For example is it: a) Coal to Syngas? ...
from the Control&Automation department...Preselected mode for Mark V
PreSelected mode when connected to grid and Mark V trip
K.R. Manish, What is FGMO, please? This is a good discussion, and as such, I hope you...
By K.R. Manish on 17 April, 2014 - 3:44 am -
Dear CSA, With reference to the FGMO mode which you have described, I agree with you that it is...
MIKEVI, Yes, there is some time delay between when Pre-Selected Load Control (or External Load...
from the Forum department...Effect of improper grid connection on reactive power
Increase in reactive power drawl at generation source.
By K.R. Manish on 17 April, 2014 - 3:22 am -
Hi Neo, From what you have described, it sounds like that the generators are tripping due to...
Neo, I have read and re-read this post several times the past couple of days--mostly hoping...
from the measurments department...Standard for temperature measurement
Location of temperature measurements (problems)
from the Forum department...Windmill Alternator
Control of windmill alternator load
Karsten Rasmussen... following are two ways to change speed: o control blade-pitch. o control...
Karsten Rasmussen, I think it's going to be pretty difficult to control the speed of a wind mill...
from the Engineering department...Siemens marshaling wire
Brand name of Siemens' 0.5mm thick marshaling wire
from the ABB Advant department...ABB OS500 upgrade
ABB OS500 upgrade to newer version HP B2600
By Will P. on 13 April, 2014 - 9:13 pm -
Thanks All for your replies....
from the Maintenance department...Mark V TMR servo commands
Difference in servo command in TMR panel for second stage nozzle
Brian, When did this problem start? After a servo-valve was replaced? This is not a simple...
from the control systems department...Meaning of the "smiley symbol" in MARK V csp file
In the csp file of MARK V control system, can any body tell me what the "smiley symbol" means in the BBL logics?
mhkhan, It's presumed you're referring SPECIFICALLY to the CSP.PRN file. It means EXACTLY...
from the Controls department...Mark-VI Control System T-core Issue
Issue being faced on T-core of Mark-VI
Yes, technically T-controller is down. As regards time, PC is running on localized clock and...
Online replacement of VCMI can be done as the system is already running on R and S processors as I...
Thanks for the response BN. Yes, VCMI appeared to be the suspected culprit but i was not sure. ...
There are few of the alarms that you have mentioned has been faced by me and most of the time it is...
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
Hi Peter, Redundancy is not a bad idea at all. It will however require some point of merger,...
from the Automation department...Newbie in SCADA world, need some directions
Newbie in Power System Automation, needs direction.
from the powerplant department...Atomizing Pressure
When unit starts we always have low atomizing pressure alarm
ABDI, I haven't read GER-4189, so I can't comment on the specifics of the document. But I...
By ABDI on 10 April, 2014 - 8:00 am -
Hi I read the ger4189 about the range of minimum and maximum temperature required for fuel gas...
from the DLE Combustion Control department...Managing changes in Wobbe index on LM2500 G4
I am seeking opinion on whether it is feasible to deal with changes in fuel gas composition by supplying a value of the wobbe index to the turbine controller.
By moose on 9 April, 2014 - 10:36 pm -
We control the MWI of our fuel gas by heating the gas to maintain within a suitable range for our...
from the Total department...Mark VIe Bleed Valves
Bleed valves open at full speed no load.
By jeffchartier on 9 April, 2014 - 5:06 pm -
On Frame 7 B and EA on the bleed valve system, check you pour stone filter and clean. Install a...
from the Forum department...Does anyone have electronic copies of GE TILs?
Looking for electronic version of GE TILs No. 1813, 1639, 1619 and 1602
Thanks for the advice - yesterday I have tried to register as a member of the users group to obtain...
Alexander, as the moderator notes the "sharing" of information is a difficult and...
from the Sizing department...Selecting Black Start Diesel Generator for Small Hydro Power Plant
Help about sizing Diesel Generator for Island mode of Small Hydro power Plant
Some additional info: The scheme of the SHPP is Block (Generator Voltage is 6,3kV connected to...
Intolerance is the last defense of the insecure.