Select Page: Previous 36 37 38 39 40 41 42 43 44 45 46 Next
Control.com topic...
Engineering
Topic: Engineering and workplace issues.
from the operations department...
flow mesurement for viscous materials
Originally posted by ali mabrouk omran on 9 December, 2012 - 2:41 am
flow measurement by using ultrasonic flow meter.
New Replies:
You might try: Max Machinery (www.maxmachinery.com). They offer a number of PD (Positive...
Why don't try Coriolis Type for these measurements? Viscous material you mean is fuel / light oil?...
Topic: Power generation equipment control.
from the Electrical Problems with Generators department...
60 Hz and 50 Hz Generators
Originally posted by Lloyd Throop on 27 June, 2009 - 1:33 am
I am just curious to find out if you have a 50 Hz generator and try and hook it up to a 60 Hz system, if it would work or not.
New Replies:
If you can adjust the govenor on the machine you can bring it up to 60 Hz. This will not affect the...
quick fix if you can. separate the systems into those that don't care about frequency and those...
Topic: Engineering and workplace issues.
from the engineering department...
How does control valve function?
Originally posted by kool on 6 August, 2004 - 12:29 am
How does control valve function?
New Replies:
In principle Control Valve is use to control either pressure, temperature, liquid flow, velocity...
Topic: Power generation equipment control.
from the Maintenace department...
GTC starting system fails to accelerate
Originally posted by islaahi78 on 7 December, 2012 - 6:46 am
GTC starting system fail to continue during acceleration mode
New Replies:
My only suggestion would be to check the adjustment of the proximity switch for the SSS clutch, if...
Topic: Engineering and workplace issues.
from the Mechanical Engineering department...
increase in gap voltage at zero speed of axial shift, 110 MW ST
Posted by b k singh on 7 December, 2012 - 9:52 pm
The gap voltage of axial shift was set at -7.6V during installation. its changed from -7.6V at 9.31 to -8.76V at 20.51, the turbine rotor is at zero speed.
Topic: Engineering and workplace issues.
from the Forum department...
What is double grounding?
Posted by engineer on 7 December, 2012 - 3:46 am
What is double grounding? Can double grounding of a system be helpful?
Topic: Sensor technologies.
from the Gas Detection department...
Gas Detector Wiring
Originally posted by Rajesh kawle on 6 December, 2012 - 2:24 am
Can i used Shielded wire for (-, or signal) on gas detector.
New Replies:
> Can i used Shielded wire for (-, or signal)? No you can not use the shield wire for any...
Posted by khan on 7 December, 2012 - 2:00 am
why gas metering package is in necessary while we can use only flow meter to measure quantity.
Topic: Engineering and workplace issues.
from the Protocol Development/Enhancement department...
Extended Modbus Addressing
Originally posted by Mike McCafferty on 8 April, 2006 - 4:26 pm
Extending the modbus address field.
New Replies:
> To extend the Slaves is a valid idea, but the broadcasting message would have to be resolved...
Originally posted by Vince Gonzales on 15 June, 2012 - 5:44 pm
Best or most useful plc training courses.
New Replies:
By Francisco Aguilar on 6 December, 2012 - 10:24 am -
> I really want to get into PLC and was wondering what online courses you guys recommend. ...
Topic: Human-Machine Interface and SCADA.
from the Automation List department...
Synthesis of Man & Machine
Posted by Jim Pinto on 5 December, 2012 - 5:35 pm
Article on the partnership of the man/machine framework.
Topic: Power generation equipment control.
from the Forum department...
Load Gear Oil Leakage GE 6B Gas Turbine
Originally posted by EserBp on 1 December, 2012 - 1:56 am
We had a Leak problem on Load Gear Reducer of Gas Turbine 6B GE supplied.
New Replies:
Bob Johnston, Can you post pictures of the modification to a hosting site and then post the link...
Mr. Johnston; is has not suddenly happened, from the beginning we have this problem. we also...
Dear CSA, thank you for reply; because of that fact we directly measure vacuum from the gear...
Just had the same problem on four Frame 6 with new Flender horizontal box. Firstly we increased the...
EserBP, The fact that you can decrease the severity of the oil leak by increasing the vacuum on...
Dear MIKEVI; at first i would like to thank you for your reply. it is true that we have mist...
Dear EserBP, I am not very familiar with the 6B units but will offer these suggestions and...
Topic: Engineering and workplace issues.
from the Control & Instrumentation department...
Separating protective earth from functional earth
Posted by SANTOSH GARJE on 5 December, 2012 - 10:31 am
How Can we sure that the Protective Earth and Functional Earths are separated?
Topic: Engineering and workplace issues.
from the Control department...
Control Signal Segregation
Originally posted by Farag on 1 December, 2012 - 6:05 am
Segregation between input and output control signals
New Replies:
Thanks for your reply...
> I have no reason to do so even my consultant insist for me to > apply his idea to...
Topic: Information resources, documentation.
from the Automation List department...
Oxidation of Relay Contacts
Originally posted by Mark Riche on 12 July, 2000 - 12:51 pm
What is Oxidation of relay contacts and what can be done to prevent it ??
New Replies:
I guess this is an old post but I'll throw in my 2 cents worth anyway. We had similar problems with...
Topic: Engineering and workplace issues.
from the Forum department...
Level measurement in crude oil caverns
Posted by Espen T. Nordsveen on 5 December, 2012 - 8:07 am
How to measure oil level in underground caverns?
Topic: Engineering and workplace issues.
from the ELECTRICAL ENGINEER department...
Negative Sequence Current Settings
Posted by MUHAMMAD KASHIF IDREES on 5 December, 2012 - 3:50 am
Configuration of Negative Sequence Setting in Siemens SIPROTEC 7SJ622
Originally posted by Chandru on 4 December, 2012 - 8:30 am
Reason for looping input connections of circuit breaker
New Replies:
Often poles in series is done with a DC load, because it's harder to break (no zero crossing), and...
Topic: Power generation equipment control.
from the Mechanical department...
calculating the time required for safety valve
Posted by Any on 4 December, 2012 - 10:31 am
How to calculate the time required for safety valve floating in coal fired boiler in case of turbine tripping/bypassing?
Topic: Engineering and workplace issues.
from the Wiring Standard department...
Wire naming standards
Originally posted by DJK on 1 December, 2012 - 10:36 am
Same wire two wire numbers in two panels
New Replies:
Thank you both for the replies. I'll put wire naming convention in the specification next time for...
The point is that if you leave it up to someone else they will follow whatever practice they choose...
Bob Peterson, In the case of your 13-character wire number there was a specification provided...
There are many conventions out there. Some people start over again and reuse wire numbers for every...
Seems like the panel builder just made two "identical" panels--especially since there was...
The panel builder had corrected the naming problem. As for the spec. there was no where mentioned...
How did you make your panel-builder aware the two (2) panels would be powered by the same source?...
Topic: Engineering and workplace issues.
from the Instrumentation department...
Exi junction box
Originally posted by Bhupender on 30 November, 2012 - 6:24 am
What is the difference between a Exi junction box and a IP67 junction box of same material?
New Replies:
Pl. read some basic literature to understand the concept of Exi (Intrinsic Safety) and various...
You could use any junction box you like in an Intrinsically Safe loop [Ex(i)] as no certification...
I believe ATEX uses Exi levels for explosion proof certification and IP67 is just for weather...
Topic: Sensor technologies.
from the flow control department...
flow splitter for coriolis flow meter
Originally posted by Kirill St. on 26 November, 2012 - 4:34 am
Why do some companies use the double tube concept in the coriolis meter construction and almost no company that produce single tube coriolis flow meter?
New Replies:
Thank you for the answer...
Topic: Engineering and workplace issues.
from the Control system department...
Experion Server Failure
Originally posted by Kamran on 20 July, 2012 - 1:35 am
Experion Server Failure and Redundant did not take up the operation
New Replies:
Hii, I saw this post little late. Ask your Honeywell Engineer to do a TAC System Audit on all...
Originally posted by Hamed Jafari on 7 August, 2012 - 3:29 am
I want control rtu in modbus protocol via gprs internet
New Replies:
You can use our GT-541 to create a virtual com port connection to your Modbus RTU slaves through...
Topic: Engineering and workplace issues.
from the Automation List department...
EEx ia vs EEx [ia] vs [EEx ia]
Originally posted by Rashid on 19 November, 2012 - 10:32 am
EEx ia and EEx [ia] and [EEx ia] and isolation barrier
New Replies:
First, you need to read the certification documents and manufacturer's information to find out...
Topic: Engineering and workplace issues.
from the EE department...
120/208V or 277/480V.... huh?
Originally posted by Anonymous on 25 September, 2003 - 1:11 pm
what does it mean when something is rated 120/208V or 277/480V? What do the two numbers mean?
New Replies:
"You are correct ONLY if it is a pure resistive load... P = E * I and for this case you use...
Select Page: Previous 36 37 38 39 40 41 42 43 44 45 46 Next
 
 

Your use of this site is subject to the terms and conditions set forth under Legal Notices and the Privacy Policy. Please read those terms and conditions carefully. Subject to the rights expressly reserved to others under Legal Notices, the content of this site and the compilation thereof is © 1999-2014 Nerds in Control, LLC. All rights reserved.

Users of this site are benefiting from open source technologies, including PHP, MySQL and Apache. Be happy. This page served by Yesod4.


Fortune
I just had my entire INTESTINAL TRACT coated with TEFLON!
Advertise here
Advertisement
our advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive