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what will happen if my neutral switch/contactor suddenly open circuit? contactor coil faulty during synchronising and at peak loads.
Upgrading mark-4 control system. Does anybody have guidance on downloading the Mark IV software backup?
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By MGJ on 29 December, 2009 - 5:11 am -
Probably this is not required. GE will have all the required Data for your existing...
It's absolutely possible to get the download information from any Mark IV (non+ or +).
But if...
What is the problem if our small power plant (600MW) receive MVAR from the grid.
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I KNEW IT!
I KNEW YOU WERE USING TAP CHANGERS TO CONTROL VAr FLOW!
You...
Thank you MR phil,
It's right.
but for your information in our power plant, we monitor only...
By zirob on 26 December, 2009 - 10:29 am -
Good day,
Kindly check the capability curve of your generator and you can judge on this issue.
...
Better day,
For starters, I wouldn't necessarily consider a 600 MW power plant small.
There's...
Why is atomizing air compressor discharge pressure maintained at around 1.2 times compressor discharge pressure
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sorry, i think Mr CSA when i write brief i think get my Question exactly. Thank You for your All...
Maint,
Maint,
Maint,
Your posts tend to be short and one line, regardless of the thread. You...
yes, during startup only...
By sd on 23 December, 2009 - 5:02 am -
Dear Maint,
Does the alarm comes up during startup and stays or cleared after some time?
Did...
please mostly time during start up turbine i face the AA pressure ration Low which the causes of...
What could be the consideration if we change the pipeline of bleed valve on gas turbine frame 9 ??
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Dear Maint,
you some times have a problem during loading.
You didn't tell us if the...
Dear CSA,
we have some times during loading open one bleed valve....
By Anwar on 26 December, 2009 - 11:42 am -
during shut down try to test the actuators bleed valve by giving air pressure through solenoid...
purpose of 96GN-1/2/3 transmitters in GE 9FA DLN2+ machine?
How to find out the H and R for a state Electricity Board Grid
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By Phil Corso on 27 December, 2009 - 10:39 am -
Responding to Eurydice's 11-Dec-09 (05:02) query... Do you mean the Inertia Constant, H (stored...
Maximum reactive power of a generator 120Mega watt
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By Phil Corso on 27 December, 2009 - 9:54 am -
Heni... the value 75MVAr or 90MVAr is meaningless unless you include the corresponding MW.
...
By HENI on 26 December, 2009 - 10:27 am -
Thank you so much for this, I believe on this....
By HENI on 26 December, 2009 - 8:16 am -
Thanks a lot for you,
That's correct but according to my capability curve the max MVR is 75...
Look at the reactive capability curves for your generator. If you go outside those limits, you can...
i think if the var comes over than power it will be trip by heat inside the generator. but if the...
from the Forum department...
Can GSU single phase Transformers with different winding capacitance be connected in delta?The inter-winding as well as individual winding capacitances of single phase transformers in a 3-ph delta / star connected transformer bank is not similar. Will it be ok for trouble free power generation?
New Replies:
By Phil Corso on 26 December, 2009 - 8:54 pm -
Krish... An analysis of the Table you provided showing the test results of six component...
By Phil Corso on 26 December, 2009 - 2:23 pm -
Krish.. a perfect case of "catching the mice, and allowing the elephants to go free!"
...
Thanks a lot Phil... I am giving some more information for your quantitative analysis.
a)...
By HENI on 26 December, 2009 - 10:33 am -
OK,
Gentelmen that's Excellent brainstorming I believe it so much.
Thank you...
By Phil Corso on 26 December, 2009 - 9:11 am -
Krish, further to my 25-Dec-09 (13:21) post...
I should have said measure capacitance, when...
By Phil Corso on 25 December, 2009 - 1:21 pm -
Krish, analysis thus far:
o Voltage Unbalance. Data derived from PT readings shows Ph-Ph VUF is...
Thanks Phil.. my answers are...
Additional Data
1) Please discard the previous values since I...
By Phil Corso on 23 December, 2009 - 2:25 am -
Krish... further to earlier e-mail:
Remy Q3, sorry, I overlooked 3.5/5.8 value!
Q8) Which...
By Phil Corsp on 22 December, 2009 - 8:27 pm -
Krish... please provide additional data:
1) The phase-to-ground voltage values yield a...
By Krish on 22 December, 2009 - 8:58 am -
Hello Phil Corso,
thanks a lot. I fully agree with you as far as ferro-resonance point of view...
Mark V control of turbines
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Just a quick comment on constant settable droop:
If the DWATT signal is from a single...
It has been told in previous threads that some early Mark V systems used this very simple...
we have bottom fired boiler and in every boiler 2 scanner is installed.
the furnace oil are snagged in the orifice head and also in the head of the scanner. so the scanner wont be able to work for a long time.
the furnace oil are snagged in the orifice head and also in the head of the scanner. so the scanner wont be able to work for a long time.
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By sonicjoe_xx on 26 December, 2009 - 9:40 am -
Hi danesh,
I believe u have a balanced draft boiler. Try decreasing the furnace setting...
Will changes in fuel gas specific gravity and fuel gas temperature harm combustion hardware?
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I am just becoming familiar with the effects of varying Wobbe indices on turbine operation and...
can slewing motor power of tower crane be 2*0.004 KW?
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By Phil Corso on 23 December, 2009 - 8:51 am -
Win...
Torque (in mN) is Power (in Watts) divided by Angular Speed (Omega in Radians per Sec)
...
SLOW ROLL issue
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How can you say that your problems are the same as sd's? He said his unit has no problems...
By BB on 22 December, 2009 - 8:17 am -
Hi all,
I'm sorry to cause this confusion. After a M.I, we tried to put the GT on Slow roll but...
By sd on 22 December, 2009 - 6:14 am -
CSA: Dont worry. You are still on track. ;)
BB is the original poster for this where his unit...
Understanding GCV/SRV working
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By M M Ahsan on 22 December, 2009 - 4:47 pm -
Replying to the post by Maint on 22 dec 2009.
It's not very clear what do you really want to...
please need to explain to understand how the servo valves work,and which the maximum pressure...
Frame 9E gas turbine over speed trip set point
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By sd on 22 December, 2009 - 6:24 am -
appreciate if BB could send me those procedures as well. my email is sdmarley [at] gmail [dot] com
...
What we can do for Turbine or Pump Vibration During Operation?
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