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Can someone point me to a site that explains and compares IP and NEMA ?
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By Loren D., App. Eng. on 17 February, 2010 - 3:25 pm -
there is no reference to IP65 in the chart on this link. I see numerous internet pages that say...
how is negative phase sequence setting for relay calculated
230 KV transformer bushing is arcing with it's fire water nozzle during heavy foggy and humid weather.The transformer is only for start-up so it was taken out of service.
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I knew that the 1/! key on Phil Corso's keyboard would give out one day, and it seems it finally...
By Phil Corsp on 17 February, 2010 - 12:17 am -
GT-Ops... see Sriram's reply in Control.com/thread/125764119.
Regards, Phil Corso
...
shifting of max vibration from exciter to bearing#2
Gas turbine Compressor turbine interaction. How will changes downstream of the compressor stage impact the compressor discharge pressure?
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By M M Ahsan on 16 February, 2010 - 11:17 am -
No, compressor discharge pressure of an axial compressor will depend on the turbine vane angle and...
why the different in number of thermocouple in Frame 5 and 7?
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There are more than 10 cans in the 9F - either 12 or 14. Since I haven't worked directly on gas...
in frame 7 has 10 cans only not above. i think more than 10 cans in frame 9
...
The exhaust frame of the frame 7 is larger and there are more combustion cans than on the frame 5....
Accuracy required for gas custody meter
profibus communication problem
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Version 8.2...
By gajanan dhakane on 12 February, 2010 - 5:07 am -
which version of control builder (freelance) you are using?...
Deterioration factor of aluminum cables
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By Phil Corso on 15 February, 2010 - 8:45 am -
Sriram... three major derating factors, when using 3 single conductors in a three-phase system,...
By sriram on 13 February, 2010 - 6:41 am -
Sir,
Thanks for the response.The load on the transformer will be around 70 MVA. We may go for an...
CBCT connection in power plant
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By vijay on 15 February, 2010 - 4:35 am -
dear friend.
it is very hard to detect this kind of problem if power is transmitted through...
problem about over frequency fault of tg
purpose of 96GN-1/2/3 transmitters in GE 9FA DLN2+ machine?
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By vinu on 14 February, 2010 - 7:09 pm -
thanks for your reply....
ours is a mark vie control system. i checked only the alarm list, but...
IOMA power supply out of limits
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By G.Rajesh on 13 February, 2010 - 9:00 am -
Thank you Greg Ponto
We will go through the mentioned command.
Thanks
G.Rajesh...
By Greg Ponto on 12 February, 2010 - 8:48 am -
Rajesh,
look up MKV diagnostic alarm (F:\Unit*\PROM\HELP_BD or QD) 273 - 277. It provides...
By G.Rajesh on 11 February, 2010 - 11:46 am -
Does anybody can advice the given problem?
...
Breaking capacity of a breaker for 32KA soft starter
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By thiagarajan sriram on 13 February, 2010 - 7:00 am -
Breaking capacity is the maximum fault current that can be safely interrupted by the breaker...
advantage of connecting VFD loads to Dyn11Zn0 transformer
cp-341 function in PCS system
Experience with MKVIe for LM-DLE-Engines?
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I believe there are many new aero-derivative units being run by Mark VIe turbine control systems.
...
SRV and GCV CV for GE make Frame 6 machine
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GE designs the characteristics of the SRV, GCV, DLN valves and the fuel nozzles, taking into...
I don't know the answer. I would imagine the information is both proprietary and unit-specific.
...
By MOHAMMAD AKRAM on 10 February, 2010 - 8:48 am -
Can anybody please tell me as i need it urgently.
Dear CSA will you please help me....
IGV servo currents started to increase and after few minutes the Hydraulic oil pressure got reduced.The unit is running with IGV servo currents at -40 to -50 % on all <R>,<S>,<T>.
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By GT-ops on 12 February, 2010 - 4:19 pm -
Can you please explain how the metallic tags affected the servo valve?
These were applied to...
Thank you very much for the feedback!
...
By Sudheer on 11 February, 2010 - 4:55 pm -
Hi,
One day after the replacement of the servo valve, again the fluctuation in the servo...
Sudheer
by your explanation data I catch that your igv feedback is pushed below set point...
By Sudheer on 10 February, 2010 - 5:51 am -
---I don't know where you are monitoring the servo currents, or if you're adding the three values...
Can anyone tell if SPPA-T1000 system from Siemens has reference outside of India? We want to have real feedback for this system and comparison with SPPA-T3000.
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By SPPA-T3000 on 12 February, 2010 - 11:58 am -
I wish to bring to kind notice of all users that SPPA-T3000 is much more powerful than what are all...
gas turbine, having bleed valves at 6 & 10 stage which are not closing after building up of pressure
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By abdelmoneam gaber on 12 February, 2010 - 7:55 am -
> Mechanical binding/sticking? <
try to check the limit switch on bleed valve which is...
Mechanical binding/sticking?
...
measure wet air flow rate in 3 ft diameter duct
Setting up INFI 90 Alarms with different audible tones
Instrument enclosures and junction boxes and requirements for steel breather and drain fittings
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By Bruce Durdle on 10 February, 2010 - 1:52 pm -
If the panel is flameproof or explosion-proof, then any breather or drain needs to be certified...
A lot of thanks for the answer.
I would like to know if it has no impact against the hazardous...
How to check the Earth leakage on MCC panel.
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By Mike on 10 February, 2010 - 11:54 am -
What type of MCC is it?
But i suppose you could start pulling buckets out and meggar the bus....
How to calculate cable size, switchgears and fuses for feeders and equipment?
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By rick hawkins on 10 February, 2010 - 11:39 am -
you need to follow whatever code book is being used in your area. in Canada we have a Canadian...
By Anks on 10 February, 2010 - 11:35 am -
> cable size[in mm2]=(18*meters*amp)/v*1000 <
What does 18 stand for? ...
By vijay on 10 February, 2010 - 5:15 am -
actually when we give some load to electrical equipment it takes some energy as loss that means the...
Looking for a suitable SCR controled DC drive for controlling motor speed for crane/ Shovel application in India
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