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Control.com member...
Member Information and Posts by CSA
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, 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, Please work with GE to get this information. We have discussed this, basically, in the...
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...
Mahmoud Alshimy, Water injection is usually scheduled (calculated) as a function of fuel...
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.... ...
Neo, Are you back?...
Neo, Hope the NO/NC explanation was clear. I can sort of understand how people can be confused...
Neo, Sure! You can ask questions--that's what we're here for. Where to start? (Why is it...
Neo, I've been re-reading your previous post, and now I see that l86tgt1 comes from one of the...
Neo, I've been thinking about this, and this would be a valid rung--though it would not work (if...
Neo, I may have completely missed something here.... You have twice typed (and I have once...
SB, Some of the best controls TAs (Technical Advisors) I've ever worked with started as...
SB, My main purpose in pointing out that the contacts are all NC (Normally Closed) is that it's...
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...
Our dear CAM, Electric motors are driven by electric generators. Electric motors are devices...
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...
Topic: Power generation equipment control.
from the Power Station department...
Efficiency of ac generators
Originally posted by UNGKU KAMAL on 7 March, 2013 - 1:12 pm
When using ac generators in Power Stations, what are the advantages of using " Flux Cutting " types, compared to using " Magnetic Induction " types.
New Replies:
Bert Wank, Great--all of it. But it seems to address Lorentz Force Motors,...
Originally posted by . on 18 August, 2014 - 4:41 am
What is the position for Mark 4 HSAA card jumper when we want to perform calibration?
New Replies:
All, >> Berg jumper settings for R, S, T computers: > REF2 - Set to "1" to...
Originally posted by bilo7 on 24 August, 2014 - 12:30 pm
trip 9e generator open breaker when underexcitation
New Replies:
bilo7, When a GE-design heavy duty gas turbine equipped with a Speedtronic ("Mark")...
Topic: Power generation equipment control.
from the Low frequency operation of STG department...
Steam TG Low Frequency Operation in Island Mode
Originally posted by Storm Rider on 15 August, 2014 - 4:35 pm
Can I generate more power using low frequency operation of STG?
New Replies:
Storm Rider, It's not possible to run a turbine-generator set in parallel with...
Originally posted by faisal on 17 August, 2014 - 5:40 am
During start up combined cycle, GE 9E mark VI gas turbine tripped.
New Replies:
Faisal, Alarms occur in a sequential chronological order. That means that a list of alarms is...
Originally posted by MPAC on 15 August, 2014 - 1:29 pm
What is the difference between a Mark V type 'A' and a type 'B' Panel? Can you tell by looking at it?
New Replies:
MPAC, No; one can't tell from looking at the outside of the panel, or even by opening the doors...
Topic: Power generation equipment control.
from the Process Control department...
PQM II Setup for Generator
Originally posted by Chris IWO on 14 August, 2014 - 5:28 pm
Configuring a GE PMQ II for metering the power readings. Can anyone help with the specification I need to enter into the PQM?
New Replies:
Chris IWO, I just had a quick look at the PQM II manual (GEK-106435P)--and it's pretty darned...
Topic: Power generation equipment control.
from the Mechanical department...
Steam Turbine Gear Box
Originally posted by Rangacharya on 14 August, 2014 - 2:29 am
15 MW Steam turbine gear box has high vibration at 3 to 4 MW load. What is the probable reason for this phenomenon?
New Replies:
Rangacharya, From the information provided, we can presume the gear box was not experiencing...
Topic: Power generation equipment control.
from the Mechanical department...
Atomizing air cooler modification
Originally posted by Izhar on 9 August, 2014 - 3:29 am
Atomizing Air Cooler Modification
New Replies:
Izhar, What are each of the columns in the data? I see "GT," "Fr,"...
Izhar, I would be extremely surprised--but not shocked--to learn that there is no temperature...
Izhar, I believe if you look at the Device Summary, the High Atomizing Air Temperature Switch is...
Topic: Power generation equipment control.
from the operations department...
Loss of Cooling Water to Steam Turbine Condenser
Originally posted by sriram sandep on 12 August, 2014 - 7:13 pm
What will happen in special circumstances when there is a loss of Cooling water supply to the condenser
New Replies:
sriram sandep, >does steam turbine trip on condenser >protection activates the diverter...
Topic: Power generation equipment control.
from the POWER PLANT department...
IGV for DLN Type Without IBH
Originally posted by ABDI on 24 July, 2014 - 1:56 am
If a turbine has DLN (Dry Low NOx) combustors, IGV exhaust temperature control is not operator-selectable. Is it always on?
New Replies:
abdi, There's nothing I can add to change your supervisors minds. I would just like to see 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 don't have any Frame 7EA sequencing to look at as of this writing, but I can say...
Topic: Power generation equipment control.
from the Forum department...
Frame 9e Spike
Originally posted by PC on 11 August, 2014 - 6:15 pm
Frame 9e dwatt control
New Replies:
PC, When you say MW spike were the turbines operating in Pre-Selected Load Control at Part Load...
Topic: Continuous process industries, DCS questions.
from the Forum department...
Control Valve Position Command Signal
Originally posted by Gary on 11 August, 2014 - 2:28 pm
Looking for a device that generate control valve position signal for open loop control
New Replies:
Gary, If you are wanting to "...manipulate [the integrating] control valve's...
Topic: Power generation equipment control.
from the Mechanical department...
Exit Guide vanes of Gas Turbines
Originally posted by Izhar on 19 July, 2014 - 4:24 pm
Gas turbine exit guide vanes and how to use them
New Replies:
Izhar, Thanks for the feedback! We don't know what kind of combustion system is used on the...
Topic: Power generation equipment control.
from the Forum department...
GE MS6001B exhaust over temperature
Originally posted by ahmed on 10 August, 2014 - 5:04 am
have a problem of over exhaust temperature in GE MS6001B unit lead to the unit goes into temperature control mode during start up
New Replies:
ahmed, Cleverly hidden at the far right edge of the Menu bar of every control.com page is a...
Topic: Power generation equipment control.
from the Forum department...
Changing Careers looking for advice
Originally posted by surya on 10 February, 2014 - 6:28 am
Please give me some guidelines that i am changing my careers from mechanical stream to instrumentation
New Replies:
fluidflow, Oh, trust me--I understand about the misgivings one can have when leaving The...
fluidflow, Thank you for the kind words. I wish your experience had been much better. Had you...
Topic: Power generation equipment control.
from the Engineering department...
PSVO servo control module
Originally posted by N.V.Q on 7 August, 2014 - 4:47 am
Mark VI hardware system---PSVO servo control module
New Replies:
N.V.Q, I'm a little confused here. GE doesn't usually sell equipment to be configured and...
N.V.Q, I/O Packs are not used with Mark VI turbine control systems; only with Mark VIe turbine...
Topic: Continuous process industries, DCS questions.
from the Forum department...
Null Current of Integrating Actuator
Originally posted by Gary on 7 August, 2014 - 11:49 am
What is the null current of an integrating actuator?
New Replies:
Robert Scott, EXCELLENT write-up! Thanks very much....
Topic: Power generation equipment control.
from the service engineer department...
voltage variation with load variation on generators
Originally posted by henry lob on 7 August, 2014 - 7:24 am
increase in voltage with increase in load tripping tools
New Replies:
henry lob, My first question would be: What has changed? Presumably, things were working...
Topic: Engineering and workplace issues.
from the Instrument department...
2 Wire Loop Powered Transmitter
Originally posted by Lc1 on 1 August, 2014 - 11:38 am
Powering a 2 wire loop powered transmitter
New Replies:
The answer to your question has to be obtained from the documentation provided with the AI card you...
Topic: Power generation equipment control.
from the Controls & Mechanical department...
DLN-1 Lean lean & extended lean lean mode of operation
Originally posted by AR1969 on 3 August, 2014 - 6:42 am
What is the Maintenance factor (MF) for lean lean mode of operation, GE specifies a MF of 10 for Extended lean lean (high load) but does not specify the MF for lean lean mode (part load).
New Replies:
ARI1969, Unfortunately, I don't believe GE has documented that Lean-Lean and Primary are...
Originally posted by humble3 on 1 August, 2014 - 6:45 am
Our mist eliminator is bringing out heavy mist which then condensate back to oil - causing serious oil shortage
New Replies:
humble3, It worked fine! More, please!...
humble3, Thanks for the feedback! Unfortunately, pictures can't be posted to control.com. Others...
fluidflow, That would depend on lots of factors. There is usually a temperature drop at the bell...
Topic: Power generation equipment control.
from the Power department...
Power factor compensation
Originally posted by Ram on 2 August, 2014 - 6:06 am
How does reactive power compensation work?
New Replies:
fluidflow, Hmmm. The old Generator Nameplate game. Just because a generator is...
fluidflow, I would suggest the same thing: Use your preferred Internet search engine to research...
Topic: Power generation equipment control.
from the engineering department...
Mark VIe control system
Originally posted by N.V.Q on 4 August, 2014 - 8:26 pm
Mark VI steam turbine and generator control system
New Replies:
JFB, I would be honored to carry your tool bag, sir, just to be able to learn at the foot of one...
N.V.Q, One of the main criteria for the design of the Mark VIe was to expand it to use as more...
N.V.Q, For any piece of rotating equipment driving an AC generator speed control is most...
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