Alternative to Load Balancer in Maintaining Internet Availability
Looking for an alternative to replace load balancer that is connected to two modems for the purpose of reducing downtime of the internet service.
Is it possible to convert 277V transformer to 220V?
By Bob Peterson on 14 June, 2017 - 1:16 pm
if what you are trying to do is change the L-N voltage on the secondary to 230V, the bottom line is...
Sludge Concentration Inline Measurement
suspended solid measurement in pipeline (Sludge Concentration) in sewage. up to 7%
on 14 June, 2017 - 8:30 am
Hi, thank you for your reply. It's primary sludge. It's feed to drum thickener from big sewage...
By Woolsey-Mike on 13 June, 2017 - 9:35 am
Hi Most important is what kind of sludge, not just concentration. Primary, Waste Activated,...
Honeywell UV Flame Detector
Posted by Daniel_Beamish on 8 June, 2017 - 11:17 am
UV signal required for a Honeywell UV flame detector to recognise a flame.
By d on 13 June, 2017 - 6:33 pm
Flame scanners are reliable if properly installed. If you are monitoring the main flame, you'll...
IGV Operational Principle
Question on how IGV's work and the principle of operation that makes them work.
By Chiranjeevi on 13 June, 2017 - 8:08 am
CSA, What is the variable name which will be minimum value that will go to CSRGV OUT, when GT is...
We have a tank that measures 10 feet in diameter and is 15 feet tall that we are needing a formula for determining the gallon capacity for. Can you help?
By Khasaq on 13 June, 2017 - 12:18 am
Dear, if you have mentioned article than could you plz send it to me at firstname.lastname@example.org ...
High Exhaust Spread in 6B
Reason for high exhaust spread in frame 6B machine
on 28 May, 2017 - 7:13 am
khoriwal000, The subject of exhaust temperature spreads has been covered many times before on...
Fluctuating Allowable Spread in Hitachi H-25 Gas Turbine
The value of allowable spread is fluctuating from 80 degrees to 150 degrees at 21MW.
on 10 June, 2017 - 4:53 pm
I have to confess--my experience is with typical GE-provided sequencing (application code), and not...
By SUDHEESH V on 9 June, 2017 - 4:16 am
In H-25 machine the combustion monitor algorithm calculates the allowable spread TTXSPL. The...
on 8 June, 2017 - 2:53 pm
Abubakar_96, I should have added that GE (the writer of the block used in some turbine control...
on 2 June, 2017 - 3:51 pm
Hello, When did this problem start? What Diagnostic Alarms are present and active (even the...
Pressure Drop Across Coriolis
Allowable pressure drop selection across Coriolis.
Using a intrinsically safe positioner in non-hazard area
By Bob Peterson on 6 June, 2017 - 5:44 pm
If the device is not in a classified area, it does not matter if it has barriers or not. -- ...
Monitoring ATS with a PLC, anyone with experience?
Percentage Impedence Problems
Looking for a formula for voltage drop and efficiency and loss reduction with change of percentage impedance of a transformer.
What goes with AC stepper drive, a stepper AC motor?
Liquid fuel pump is stuck after years of having liquid fuel system out of service
Fuse an IGBT -> DBR circuit
After a catastrophic failure of a dynamic brake, I've been tasked to come up with a solution to prevent/restrict future failures.
Old automatic lathe's motor has overheating problems because it changes direction of rotation to unscrew.
Gas Turbine Stator Temperature Sensors
GE Frame 6B stator temperature sensor replacement
on 1 June, 2017 - 4:39 pm
davidmcc, The only reason I can think of for wiring RTD leads together is that in days gone by,...
Generator rotor earthing on a frame 6B generator
Open exhaust thermocouple.
By vimal gupta on 29 May, 2017 - 1:46 am
Sir, Sorry for delaying the answer. Our machine is not connected to grid. It is captive power...
on 26 May, 2017 - 6:28 pm
chiranjeevi, There has been LOTS written on control.com about the exhaust temperature algorithm...
on 26 May, 2017 - 12:06 pm
vimal gupta, Good news about the exhaust duct; and glad to hear you found the problem with the...
By Chiranjeevi on 26 May, 2017 - 3:29 am
In MARK VIe system, 5, 4, 4 thermocouples are connected to PCAA R, S, T respectively. But each PCAA...
By vimal Gupta on 25 May, 2017 - 6:26 am
Dear CSA, We have checked exhaust duct and found everything ok inside duct. We checked faulty...
Alarm System for Monitoring a Pond
I need to monitor a few ponds, the temp, oxygen level and flow rate into it. Not sure what to use.
Can Zone 2 Gc Equipment Inside a Zone 1 Gb Ex de Enclosure
Can zone 2 IECEx equipment go inside a zone 1 rated panel, or, is the atmosphere inside a Ex de Gb panel de-rated to zone 2?