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Control.com member...
Member Information and Posts by CSA
Topic: Power generation equipment control.
from the Forum department...
Mark V Diagnostic Alarms
Originally posted by Ivan on 18 September, 2014 - 11:18 am
Mark V TMR control panel, MS5001P, Diagnostic Alarms
New Replies:
Ivan, When the generator breaker is closed it's typical for GE-designed synchronizing circuits...
Ivan, When do these alarms occur? During normal full speed operation with the generator breaker...
Topic: Power generation equipment control.
from the Power Generation department...
When Will 88CR start?
Originally posted by Neo on 10 September, 2014 - 10:27 am
GT start up sequence, when will 88CR get started?
New Replies:
Neo, You didn't post L1X.... It's kind of critical to the whole discussion. And, it's also kind...
Neo, Can you repeat question/response, please? I don't want to comment on L1X, L1Z until you...
Neo, You don't have to ask--no one does! I wouldn't comment until you posted L1x and L1Z from...
Neo, You used to use the Thumbs Up/Thumbs Down indicator when you found the post useful or...
Neo, There was another query in the original post, and we'll get to that in a moment. I would...
Hi, Neo, I'm a little confused about where to pick up with the L4 journey at this point.... I...
Topic: Human-Machine Interface and SCADA.
from the C&I department...
Mark V Signal Scaling in HMI
Originally posted by VM on 11 September, 2014 - 8:25 am
Exciter signals gain in mark V
New Replies:
VM, Can you please post the relevant lines (rows) from IO.ASG? What happened when you put the...
VM, Hmmm.... Well, even if these signals appear in the IO.ASG for a unit, it's not certain they...
Topic: Power generation equipment control.
from the operations department...
AVR Functioning and MVAR control
Originally posted by suryapadhu on 11 September, 2014 - 12:01 pm
AVR Functioning and MVAR control for Gas and Steam turbines
New Replies:
Suryapradhu, Transformer tap changers are available in different configurations, and without...
suryapadhu, Thank you for taking the time to search through the archived threads looking for an...
Topic: Power generation equipment control.
from the CPP department...
Generator Turbine Speed Control
Originally posted by Manoj Baviskar on 10 September, 2014 - 4:10 am
Effect of Reactive load throw off on Turbine (GTG) speed after Generator independent from Grid power.
New Replies:
Manoj, You seem to be providing conflicting information, and you also say, "...Practically,...
Manoj, 1) The fuel was not high at the time of isolation--it drifted higher. There are two...
Manoj Baviskar, To answer your direct question: No; it's not possible for reactive load...
Topic: Power generation equipment control.
from the gas turbine controls department...
Removing Flow Divider Instrumentation on GE 7EA Turbine
Originally posted by Dan on 14 September, 2014 - 9:37 am
GE 7EA turbine, will removing flow divider instrumentation affect operation on Fuel Gas, Mark IV Startup Lockout?
New Replies:
Dan, It should not. You can easily just determinate the speed pickups from the AIO TB and the...
Topic: Power generation equipment control.
from the Mechanical department...
Initial Torque Required for Gas Turbine
Originally posted by Izhar on 2 September, 2014 - 5:21 am
How to calculate the initial torque required by gas turbine
New Replies:
Izhar, and others following this thread, I need to qualify a statement I made in the third...
Izhar, GE-design Frame 9E heavy duty gas turbines previously used hydrogen-cooled generators...
Izhar, Thanks for the correction. And the feedback. 111 A on a 6.3 KV motor seems high, but...
Dear Izhar, It could also be that 20TU-1 (the torque converter "pressurizing"...
Dear Izhar, I have re-read the original post and am curious about the starting means trip alarm...
Dear, Try searching control.com with the term: "+torque +converter" (with...
Dear, Is the generator hydrogen-cooled or air-cooled? Does the unit have a hydraulic ratchet...
Topic: Power generation equipment control.
from the Automation List department...
What makes a generator increase load
Originally posted by kumarash on 10 August, 2008 - 3:49 pm
What makes a generator coupled to a gas turbine increase load when load raise command is issued to Mark V
New Replies:
Marcos Gonzales, Few answers... 1. Reverse power isn't bad for the generator--it's bad for...
Originally posted by vpsopm on 5 September, 2014 - 1:48 pm
2+1 CC GTs both tripped and Steam Turbine was still synchronised on grid producing 30 MW!
New Replies:
otised makes a great point about decreasing steam temperature....
vpsopm, Your question can only be answered by the people who are responsible for the operation...
vpsopm, This could be one of "those" conditions that was never envisioned by the plant...
Topic: Power generation equipment control.
from the Operations department...
9FA Gas Turbine Unloading Rate
Originally posted by Stephen Roche on 6 September, 2014 - 3:17 pm
GE 9FA unloading rate in auto stop sequence for multishaft unit.
New Replies:
Stephen Roche, Based on the signal names (the 'L' suffix at then end of the signal names you...
SteveRoche, Unfortunately, GE uses the same Control Constant for unloading as for loading when...
Topic: Human-Machine Interface and SCADA.
from the Forum department...
Web based HMI for Greenhouse
Originally posted by Bogaat on 20 August, 2014 - 1:41 pm
Looking for an affordable OPC Web based HMI solution
New Replies:
Have you looked at: http://pvbrowser.org Open Source and can do OPC XML-DA...
Topic: Power generation equipment control.
from the Power Generation department...
Getting a better understanding of GT control PART 3
Originally posted by Neo on 28 August, 2014 - 10:48 am
Getting a better understanding of GT control PART 3
New Replies:
Neo, Do you want to answer the question about servos, or do you wish to continue with the...
Neo, I thought we'd covered the L14HSX before. So I'm kind of surprised about how it was...
Neo, L3SFLT
  XVCMIR0S01_A   XVCMIS0S01_A  L14HSX    L94X      ...
Neo, Thanks for breaking up this thread again. As for not reading signals literally, well,...
Originally posted by RLovell on 29 August, 2014 - 1:08 pm
My high school students ask when/how/if abstract topics like polynomials, factoring, rational functions are ever actually used in the Real World. I don't know..maybe you do?
New Replies:
Hi, This is such a great question!!! I think all of us when we were learning the basics in...
Topic: Power generation equipment control.
from the Forum department...
Generator Load Sharing Issue
Originally posted by RigMan on 2 September, 2014 - 1:41 pm
High amps on one generator
New Replies:
RigMan, A generator is a device for converting torque into amperes. Torque is produced by the...
Originally posted by saha on 2 September, 2014 - 5:46 am
Gas turbine HP shaft speed does not reach minimum operating speed
New Replies:
> The MKV is capable of Manual FSR. CuriousOne, Manual FSR can be used to decrease FSR,...
saha, The first question to be asked is: What has changed? Why is the unit now experiencing this...
Topic: Power generation equipment control.
from the Electrical department...
Isolated Generator and Droop Governor
Originally posted by gshan on 28 May, 2013 - 6:54 am
Can an isolated generator use droop governor?

New Replies:
Manoj Dubey, Hmmm..... Seems someone didn't like my response. Let's assume the turbine was...
Sir, The answer to the question: Would the generator set (prime mover and generator) trip on...
Topic: Power generation equipment control.
from the Electrical Engineer department...
parallel operation of generator
Originally posted by Sagar on 28 August, 2014 - 11:48 am
We are having 18MW captive power plant to fulfill requirement of power and steam in company.
New Replies:
Sagar, All the generator prime movers do NOT need to be running in the fixed load setpoint. And,...
Sagar, Hmmmm....My understanding of the definition of a captive power plant is one that is...
Topic: Power generation equipment control.
from the Mark VIe Governor department...
Mark VIe Governor control
Originally posted by N.V.Q on 28 August, 2014 - 2:49 am
What are the basics of governor control?
New Replies:
N.V.Q, You say you're accustomed to reading SAMA diagrams; everyone, at some point in their...
N.V.Q, I would also recommend looking at the manuals provided with the turbine (not the Mark VIe...
N.V.Q, Please work with GE to get this information. We have discussed this, basically, in the...
Originally posted by Bill Futch on 12 August, 2014 - 4:08 pm
Starting motor does not cutout when a normal shutdown is given below 60% speed.
New Replies:
Bill Futch, I second everything MIKEVI said; it's not necessary to ramp fuel down before...
Topic: Power generation equipment control.
from the Forum department...
9FA Gas Turbine Water Injection
Originally posted by Mahmoud Alshimy on 24 August, 2014 - 5:16 am
Water injection service varies greatly for GE gas turbine loads.
New Replies:
Mahmoud Alshimy, You are 110% correct. I don't understand your query. If water injection is...
Topic: Power generation equipment control.
from the Power Generation department...
Getting a better understanding of GT control PART 2
Originally posted by Neo on 11 July, 2014 - 10:48 pm
Getting a better understanding of GT control PART 2.
New Replies:
Neo, This thread is getting very long--and very disorganized.... ...
Topic: Engineering and workplace issues.
from the Operation support team department...
Generators and leading power factor
Originally posted by Bhagwan on 11 September, 2009 - 8:15 am
Leading power factor for backup generators
New Replies:
Our dear CAM, Somehow I forgot to include that electricity is one method of transferring torque...
Originally posted by Ali on 20 August, 2014 - 7:30 am
Advantages of isochronous load sharing over iso-droop mode configuration of three generators.
New Replies:
Hello, It all really depends on the capabilities of the governors. Some don't operate so well in...
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