from the Maintenance department...GT fuel nozzle
Construction of GE 9e fue nozzle
from the Instrumentation and control department...Compressor stall detection algorithm
I want to know how the compressor stall detection algorithm for heavy duty gas turbines in MARK VI works
HMR, Unfortunately, if I recall correctly axial compressor stall detection is accomplished in...
from the Power Generation department...Power factor, frequency and load
Trying to understand the correlation between frequency, power factor and load demand
Manmeet Singh, Load sharing or a power management system would be a good solution, but if you...
By Manmeet Singh on 21 October, 2013 - 6:20 am -
Hi, I also have a peculiar problem, there are 3 STG's, 2x 25 MW and 1X30 MW coal based supplying...
from the power and control systems department...generator voltage drop below minimum rating under load
generator drops voltage by almost 80 volts when on load. what could probably be the cause?
from the Forum department...Schweitzer SEL-3354 trying to configure TCP Modbus to ABB Exciter
Trying to find someone who may have has experience with setting up Modbus with SEL equipment
By Harvard on 20 October, 2013 - 12:23 pm -
I know that this is going to sound strange to you BUT to ask for Modicon Modbus Register 40001 you...
from the Forum department...Problem with EX-2100
Fault signal 72 after installing EX-2100 system
from the Automation List department...Calculation of cable size
How to calculate cable size, switchgears and fuses for feeders and equipment?
By Engr Wasim on 19 October, 2013 - 12:04 pm -
Here is the simple guide...follow these simple steps... ...
from the Operations department...How does Gas Turbine Generator Output Change when GT Frequency Changes
To what extend does the Gas Turbine generator output changed when the gas turbine frequency conversion is made for two pole generator from 60Hz to 50 Hz (i.e. 3600 RPM to 3000RPM)?
Know-How ... your question, "... to what extent will this affect the generator output ......
know-how, A generator is a device for converting torque into amperes, which can be transmitted...
from the Forum department...Control Logic Audits
Necessity of auditing protection and auto-control logic that runs in the DCS/PLC systems in process plants
from the Forum department...alarm.horn signal in Mark VIe
Alarm.horn signal always true
Demigrog, There were some early Mark VIe's with early versions of WorkstationST that used...
By Demigrog on 18 October, 2013 - 9:45 am -
I think the main problem is that the alarm horn was designed for a much simpler era, where there...
By Demigrog on 18 October, 2013 - 9:17 am -
The global variable name is simply Alarm.HornSilence, so it shows up in the variable browser in the...
Thanks a lot CSA, I am amazed how deep you know operators because everything you are saying is...
Thanks a lot Demigrog for the enlightenment. I have searched through the signals but could not...
Thank you, Demigrog. But I don't think Kwaku understands that to silence (stop) an audible alarm...
By Demigrog on 16 October, 2013 - 1:59 pm -
After I posted that I went back and checked, and it turns out that the controller intrinsic list...
By Demigrog on 16 October, 2013 - 11:18 am -
You should be writing true to Alarm.HornSilence instead of modifying Alarm.Horn directly;...
Hii CSA, Thanks a lot for taking time off your busy schedule to reply my post. 1. First of...
Kwaku, I note this is the second time you've posted a similar query. I also note that you seem...
from the Forum department...SRV not a zero with 0% command
SRV valve moves away from zero position when I enable manual function in Mark V valve calibration application.
Jeff Ladwig, I don't recognize the type of SRV you are describing. I also don't understand...
I don't know what .m6b is. This is a GE 7FA machine with Mark V. A question I have is that...
By anand on 16 October, 2013 - 2:50 am -
You Didn't mention machine configuration anway. you do auto calibration of SRV from .m6b and see...
from the Operation and Control department...What is "Valve Reject To Manual"
I am searching, what's the meaning of "rejected to manual"
By otised on 18 October, 2013 - 11:13 am -
"Valve rejected to manual" indicates that the valve is placed in manual control mode by...
from the Instrumentation/mechanical department...Centrifugal compressor
Centrifugal compressor commissioning
from the Electrical - Power Generation department...Gas turbine rotor coupling sheared
Alstom/Siemens Tornado S350 gas turbine generator. Rotor coupling between turbine and alternator (generator) sheared. Any past experiences?
Assyibek Mumhanov, From the information provided it would seem the frequency was low prior to...
Assylbek Mukhanov... as a start can you at least provide some detail! Did the failure occur to...
from the Forum department...free rotor & ratchet
What's the meaning of free rotor use in cool down fail procedure & if in ge-frame9 we haven't ratchet device we can use turning gear start about two hours for between 15 minutes & 48 hours after cool down fail to restart again?
abdi, My guess is this was translated from another language, and "turning down" really...
By abdi on 16 October, 2013 - 1:59 pm -
Hi CSA, if emergency shutdown is happen and don't rotate the gas turbine for 48 hours according...
abdi, I haven't read the procedure you are referring to. Was it provided by GE, or by some...
from the Forum department...fluctuating load on siemens gas turbine generator
load fluctuating happens on Siemens gas turbine generator (SGT600-25MW)
By Anand on 16 October, 2013 - 2:41 am -
> we have two SGT600 (25MW) Siemens gas turbine for refinery. one machine is > working...
from the Control Systems department...GE Frame 5 and Mark II upgrade
Looking for advice on pitfalls of a GE Frame 5 and Mark II upgrade
Hello, Pitfalls? You'll have the usual pitfalls with any modern retrofit, most notably the...
from the I&C department...Turning Gear Control RPM Difference (GE & Siemens Turbines)
Turning Gear Permissive Speed is different between GE & Siemens Make Gas Turbines.
There are many types of turning gear/cooldown control operations for GE like CSA said. When the GE...
from the instrumentation department...GT-ST Single shaft configuration
How does the engaging process of GT & ST actually happen?
Wasim Shaikh, Your question is a little unclear. Both steam- and gas turbines are...
from the Automation and control. department...Challenges with rebuilding Mark II control systems
I have the intention of rebuilding a cannibalized control system (Mark II Rustronic) system.
By Tue on 12 October, 2013 - 4:27 pm -
You should contact Mark Steal from EPS. They are specialized in the Rustronic controls and can...
from the Power Generation department...Any solution for either synchronize generator or system Isolation keeping cost down
Voltage fluctuations in power supplied when lighting phase is on generator and power phase is on utility power with common neutral and generator not synchronized with utility
from the O&M department...Voltage drop after synchronization
Reason behind voltage drop after synchronization with other generator
from the How to connect department...GE MkIV Comm to Wonderware HMI
Want to transfer data to/from a GE SPEEDTRONIC Mk IV panel to a PC running Wonderware.
Pambos, CSE Engineering, Inc. does have a gateway solution which communicates to the Mk IV in...
from the ELECTRICAL OPERATION department...EFFECT OF GRID FREQUENCY ON THE PLANT LOAD.
What is the relation between grid frequency variation & plant load?
By prakash on 11 October, 2013 - 3:11 am -
I agree with u,but in our CPP we are have 5 DG sets operated in parallel with grid,during this time...
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