from the TURBINE - Co-Gen department...Load Hunting
Will Load hunting happen when turbine runs in parallel with 2 4MW Engine?
Senthil... have you searched Control.Com Archives? Regards, Phil Corso ...
Senthil, We have no idea of the three gen-sets are paralleled with each other supplying an...
from the Domestic power supply 220VAC department...My earthing/Ground pin shows voltage
The earth pin of my domestic power supply is showing voltage since one month
By Roy Matson on 10 December, 2013 - 3:04 pm -
This sounds very dangerous, you must get a competent electrician to check it out, Voltage on the...
By Bruce Durdle on 8 December, 2013 - 2:02 pm -
Whether or not the protective earth (PE) and power supply neutral (N) are connected depends on the...
By Dr R K Gupta on 8 December, 2013 - 2:59 am -
Thanks for reply. But neutral and earth are not connected together. These should never be. IN...
from the Instrumentation department...Calibration
Doubts regarding the calibration and operation of smart type transmitters
By Bruce Durdle on 10 December, 2013 - 2:11 pm -
There are three parts to the signal train inside a smart transmitter. First is the conversion of...
By ansuman on 10 December, 2013 - 11:37 am -
basically trimming means to remove the offsets that are either due to sensors or signal...
from the Forum department...Modbus communication with Danfoss FC 302.
Modscan communication using Modscan32.
By Nishideep on 10 December, 2013 - 10:36 am -
Everything I have repeatedly checked. I am using Adam 4561 RS485 to USB converter. But I am unable...
from the Forum department...ABB TZID-C Electro-Pneumatic Positioner
Control Parameters of TZID-C Positioner
from the Forum department...Interface transmitter displacer type
The theory of displacer is when a body is immersed in a fluid, it loses weight equal to the liquid...
from the Instrument &Control department...Control Valve Positioner Action & Travel Scale
Control Valve FF positioner (Masoneilan FVP-110) Action (Direct/Reverse) and travel scale range.
I also read the reference manual for FVP-110. Currently ACT_FAIL_ACTION parameter is set as: ...
By Jim Delaney on 8 December, 2013 - 8:02 pm -
1) >ACT_FAIL_ACTION for ATO is fail to Close. (as per project Instrument Data Sheet) 2)...
> What are the settings in parameter ACT_FAIL_ACTION for the ATO and ATC positioners? ...
By Jim Delaney on 5 December, 2013 - 10:09 am -
What are the settings in parameter ACT_FAIL_ACTION for the ATO and ATC positioners?...
from the Forum department...Inverted Pendulum Balancing
I have some theoretical questions about a problem with Inverted Pendulum Balancing
Any further help or tips about how to tune an LQR is still needed and will be very appreciated!!...
from the Technical department...information about KWK meßwandler CT bushing
Looking for information about CT Bushing made by KWK Meßwandler GMBH, used in ABB transformers
from the machinesRotating < 60 cycles/m department...Syncing two rotation machines
PLC engineer trying to sync two machines dropping on a conveyor. They drop say 50+times per minute.
Josey... see: http://www.control.com/thread/1026150987 Regards, Phil Corso...
from the engineering department...Additional sites to learn about Power Plant Engineering
Any other Sites around for electrical engineering and power plant engineering?
from the Forum department...short circuit estimation
short circuit behaviour
Engineer… I directed you to the wrong reference, so here is the example solution: Using my...
It depends of the type of transformer (ej: Dyn11), the X% of transformer and the type of...
Engineer... if the transformer is fed from an infinite source, that is, there is no impedance...
By Curt Wuollet on 7 December, 2013 - 10:06 am -
First pass estimation is that it acts shorted as well as zero impedance is reflected into the...
from the Automation List department...Control Valve Choking
i have some confusion about control valve choking phenomena...
By bpchemicalengr on 6 December, 2013 - 1:57 pm -
How does the flow not decrease if dP decreases? Isn't dP the only driving force for flow through...
from the HVAC department...24V ac power supply can be laid with control cables in same conduit.
24 v AC power supply can be laid with same conduit with control cables.
By d- on 5 December, 2013 - 8:39 pm -
that should work just fine...
we are using two types of cables for 24 vac we are using unshielded one and for controls shielded...
By d- on 5 December, 2013 - 12:32 pm -
usually you can run them in the same conduit (certainly the case for DC solenoids) but not the same...
from the Instrumentation department...Serial link reliability
Can I use serial communication between DCS and ESD to take close valves or should i use hard wired communication. This loop has no SIL and isn't essential for compressor shutdown
from the AUTOMATION department...Best practice for flow measurement
For certain flow measurement what would be the best practice
By Jiro on 3 December, 2013 - 7:05 pm -
> I have a question. like for certain flow measurement what would be the best > practice?...
from the Forum department...EExed and EExde certification
EExed and EExde certification and hazardous area question
By Bruce Durdle on 3 December, 2013 - 5:24 pm -
The use of EEx de simply means that the equipment uses both Ex d and Ex e methods of protection -...
from the Process Control department...Watlow F4 not being detected
Watlow F4D will communicate with one computer but is not detected on another.
> Our main control program is fixed on COM1 Can you set the PCIe card to COM1, or does COM1...
> There's no option with the card to turn off the flow control, Isn't flow control done in...
Thanks for the suggestions. I've done a loopback test and the card passes. It also does require...
> When we needed to add a DAQ card, we got a new computer with that capability, > but it...
from the Forum department...GE Application Experience - GEZ-3226BB
GEZ-3226BB - GE Application Experience
from the Forum department...Wire Marking
Looking for a certain type of wire marker
By simescu on 2 December, 2013 - 4:51 pm -
CTK Hotmarker, a Japanese company makes a very good hot foil stamping machine for marking PVC tubes...
from the Electrical Engineering department...3 Phase system (Electrical)
3 phase distribution transformer
Das... following are several Control.Com threads that discuss the consequencs of HV and LV...
By connolly on 1 December, 2013 - 3:52 pm -
I'll assume the transformer is configured delta-wye. ...
from the gast power plant design department...attainable isentropic efficiency for gas turbines
the quest to discover the attainable isentropic efficiencies of gas turbines in gas power plants would be very important in creating a guideline for gas power plant design
from the Electrical, hazardous areas department...EX d obstruction
Obstructions of flamepaths on ex d equipment. Do minimum distances apply to ex d spigot joints?
from the Forum department...Intrinscally safe solenoids and non IS cables
IS barriers + IS solenoid + NON IS illuminated cable
By PeterM on 29 November, 2013 - 3:03 am -
As Bruce indicates, it may be ok. However, the IS principle depends on both the barrier limiting...
from the Forum department...Type of Enclosure Protection Class
Does anyone has hierarchy of protection class (for example: Exd > Ex nL).
By Thursdey67 on 28 November, 2013 - 10:07 pm -
You should not use Exd for Zone 2, it is overkill although met the requirement....
Laetrile is the pits