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Engineering
Topic: Engineering and workplace issues.
from the Electrical engg department...
Generator Field
Originally posted by achumman on 20 November, 2007 - 12:33 pm
Reason for using DC power for alternator field winding.
New Replies:
akhil kangath, Yes, there would be induction if the shaft were not rotated when AC was applied...
alternating current is varying one...so there is a chance to emf induction even we did not rotate...
Topic: Engineering and workplace issues.
from the Engineering department...
Yorkshire Switch gear YSF6
Originally posted by sasi on 22 June, 2007 - 2:05 am
I need user manual or any technical drawings regarding Yorkshire YSF6 circuit breaker 11KV,630A
New Replies:
Does anyone still have a copy of a service/workshop manual for there Yorkshire YSF6 switchgear? ...
Topic: Continuous process industries, DCS questions.
from the instrumentation and control engg department...
Proportional control
Posted by saarathi on 5 March, 2014 - 4:18 am
why the response of proportional control is exponential?
Topic: Information resources, documentation.
from the Instrumentation department...
University courses in Canada
Originally posted by Justin S on 4 March, 2013 - 9:31 am
looking for some direction on continuing education
New Replies:
I am also a Inst-Jman in Alberta but I also have a 2yr diploma from out east in Toronto. It's...
Topic: Engineering and workplace issues.
from the Forum department...
ABB MB300 Connection to Pi using OPC
Posted by Will P on 3 March, 2014 - 7:13 pm
Anyone used Novotek OPC to connect ABB MB300 Connection to Pi?
Topic: Power generation equipment control.
from the Forum department...
firing temperature calculation
Originally posted by sheila on 17 March, 2009 - 6:20 am
GE gas turbine firing temperature calculation
New Replies:
GTT, I did not get a chance to download the file. I've since been told there is a newer revision...
Dear CSA, I want to know what was reply (later on to the question) of this message. I don't see...
Topic: Human-Machine Interface and SCADA.
from the Software Engineering department...
Creating a Modbus interface
Posted by Susan Freasier on 3 March, 2014 - 11:24 am
Have any of you used the C-more HMI touchscreen and written the connecting interface?
Topic: Continuous process industries, DCS questions.
from the Automation List department...
Control valve positioner
Originally posted by Hemanth on 8 March, 2007 - 10:56 pm
I would like to know the operation of positioner.
New Replies:
One problem i'm facing calibrating with DVC6200 is when the valve is set to fully closed, there are...
Topic: Continuous process industries, DCS questions.
from the Control Engineering department...
PID Controller using 8051
Originally posted by Anees on 1 March, 2014 - 4:28 am
A PID controller using 8051
New Replies:
Question 1. Yes, the 250 ohm resistor will work fine. Make sure you have a precision resistor,...
Originally posted by fabio on 25 February, 2014 - 9:44 am
Using an Explosion proof loop in a NEMA4x Junction box
New Replies:
It depends on the area classification of the area where the junction box will be installed in. You...
No, not in the hazardous area....
You must consult your local fire codes and determine the electrical area classification for the...
Topic: Engineering and workplace issues.
from the rOperations department...
Cause of High Neutral Current
Originally posted by Solo on 1 February, 2010 - 11:52 am
Cause of High transformer neutral current
New Replies:
Persie... the current values you listed yield an Ampere-Unbalance-Factor, AUF, of 3.7% if you...
Even we are facing the same problem, we have 5 LT transformers 6.6kV/433V 2MVA DYN11. New sixth...
Topic: Application Questions and Problems
from the Contactor Evaluation department...
Which contactor brand?
Originally posted by JEIC on 25 February, 2014 - 7:21 am
How would you rank side by side the main contactor brands?
New Replies:
Contactors could be used as a perfect example of a commodity in an economics class. Eaton,...
I've used AB, ABB, Telemecanique, and others, and they all seem to work OK if properly selected....
Topic: Engineering and workplace issues.
from the Forum department...
Avon 1535 Servo Actuator
Originally posted by servo2014 on 23 February, 2014 - 11:47 am
Replacement of Parker Electro-hydraulic servo actuator with Parker Electric servo actuator for fuel control in Avon 1535
New Replies:
We manufacture high torque electric actuators can you send me a spec sheet on the valve you are...
I don't believe it is possible to replace the hydraulic actuator on your existing Fisher metering...
Topic: Engineering and workplace issues.
from the Electrical department...
Harardous Area Verification Dossier
Originally posted by Biky on 2 February, 2014 - 11:53 pm
Trying to understand Harardous Area Verification Dossier
New Replies:
Thank you sir. It really helped me a lot....
Topic: Engineering and workplace issues.
from the Forum department...
Preparation for Field engineer interview
Originally posted by Omer on 26 February, 2014 - 2:25 pm
Looking for advice on how to stand out during a job interview
New Replies:
Omer, So, you want to be a field engineer. It can be a very rewarding profession--both...
Topic: Application Questions and Problems
from the Automation List department...
contactor or relay?
Originally posted by Anonymous on 5 February, 2005 - 4:46 pm
basic differences between contactor and relay?
New Replies:
The distinction of a relay as switching AC (almost always only single phase) or DC pilot/control...
Topic: Engineering and workplace issues.
from the Forum department...
Level Transmitter Sizing Inputs
Posted by Bilal on 26 February, 2014 - 3:43 am
Inputs required for sizing and specifying a Level Transmitter
Topic: Power generation equipment control.
from the Please Help department...
Generator Hydrogen Loss
Originally posted by Dfoster on 20 February, 2014 - 3:29 pm
Need help in determining cause of H2 Loss.
New Replies:
DFoster, Thanks for the feedback--and the troubleshooting process you employed! Both are most...
Eventually found the problem. For others who may have a similar problem.... Found a small leak on...
> Could you explain specifically where that cap is located. You can not sniff around the cap...
Could you explain specifically where that cap is located. I'll be going out later today to sniff...
We have F7E GT. We had same problem with excessive H2 loss at one of the GT. We found out after...
I am not familiar with CTs, but think the seal oil is about the same as STs (Also not familiar with...
Topic: Engineering and workplace issues.
from the Power operation department...
Boiler master control
Originally posted by gary on 9 January, 2010 - 3:01 am
If possible boiler outlet temperature master control
New Replies:
Dear gentleman I am sure that you have the master controller for the steam temperature control...
Posted by Zouhen on 25 February, 2014 - 4:23 am
The Electrostatic precipator EPS for our Fuel oil boiler have current and voltage fluctuation and also spark and arc problems
Topic: Application Questions and Problems
from the power department...
AC Voltage Regulation Methods
Posted by anas on 25 February, 2014 - 2:33 am
How to control and regulate the output AC voltage?
Topic: Engineering and workplace issues.
from the Electrical department...
Sami conductor layer on cables
Originally posted by Shaheed ul Islam on 21 February, 2014 - 8:37 am
Sami conductor layer/ tape on HT 6.3KV or 11KV cable and HT generator winding coils.
New Replies:
Res/ Sir Phil Corso I am grateful. Best Regards, Shaheed...
Shaheed... see Control.com Thread: http://www.control.com/thread/1026216510 Regards, Phil...
Topic: Power generation equipment control.
from the operations department...
Steam Turbine Control Valves- GE D11
Originally posted by sriram sandeep on 11 January, 2013 - 12:57 pm
Regarding Protection on Steam Turbine in response to the control valve and stop valves position feedback.
New Replies:
Dear All, Currently I'm having a similar problem. our steam turbine IV-1 closed and failed to...
Topic: Engineering and workplace issues.
from the Forum department...
Maintenance Program for Transformer
Originally posted by Jim on 21 February, 2014 - 8:08 pm
Preventive maintenance program for transformer on a production line
New Replies:
Jim... 1) Is daily load heavy-industrial, or light-maufacturing? 2) What is load in kW, and...
Topic: Power generation equipment control.
from the instrumentation department...
generator hydrogen cooling system
Originally posted by None on 25 February, 2010 - 6:32 am
hydrogen cooling system for GE frame6 generator manual
New Replies:
Ervin N Galera, In thinking about this, has there been a drop in the cooling water temperature...
Topic: Engineering and workplace issues.
from the Insrtumentation and Process department...
Orifice plates for compressor anti-surge application
Originally posted by Ayyappan on 18 February, 2014 - 8:05 pm
Orifice assembly for 30" pipe lines, Constraints on maintaining the straight length as per AGA3 or ISO 5167
New Replies:
averaging pitot type probes work somewhat better in limited confines. NPS 30 plates can be used...
As long as the orifice is ONLY being used for anti-surge control on a typical pipeline compressor,...
Topic: Power generation equipment control.
from the Serious department...
Wind Farm SCADA
Posted by Abhishek on 19 February, 2014 - 11:48 pm
To understand the ground level details of SCADA configuration in wind farms.
Topic: Continuous process industries, DCS questions.
from the Forum department...
Remotely process and pump control
Originally posted by afilak on 5 September, 2013 - 1:04 pm
Specifying a low pressure switch/transmitter to de-energize two upstream pumps.
New Replies:
Ashcroft offers the N-Series which is also sensor-based, with independent set & dead band,...
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