GE Gas Turbine Corrected Speed
Posted by Johnplayers on 20 May, 2014 - 9:42 am
Importance of GE Gas Turbine Corrected Speed
Analog accumulator Mark-V
How to config an analog accumulator in Mark-V.
Problems with Phase to Phase Heating Elements
Will this redesign have problems?
By Bob Peterson on 26 January, 2015 - 5:46 pm
I am not sure what you mean by the numbers you posted. Are these voltages? What are you measuring...
By runescape on 26 January, 2015 - 4:05 pm
> For the present configuration what are the phase-ground voltage measurements when a...
By Bob Peterson on 26 January, 2015 - 10:57 am
I don't see how you gain anything from most of what you are proposing. Unless the equipment is just...
By runescape on 26 January, 2015 - 2:54 am
> I still don't understand how an ungrounded/unearthed supply influences Heater maintenance. Are...
By runescape on 26 January, 2015 - 2:30 am
I'll try to explain the problem. The machines in question perform a fast chopping motion and...
By Steve Myres on 25 January, 2015 - 8:23 pm
Running heaters with hots only and no grounded conductor shouldn't be causing you any problems;...
By runescape on 25 January, 2015 - 4:26 pm
https://www.dropbox.com/s/jafg1wxik6eftfw/Screenshot_2015-01-25-15-08- 53.png?dl=0 Drawing this...
OpenMODBUS and MODBUS TCP
Difference between openMODBUS and MODBUS TCP? Is it the same?
By Bob Peterson on 26 January, 2015 - 10:51 am
Using Ethernet TCP/IP in the factory allows true integration with the corporate intranet and MES...
By Lynn August Linse on 26 January, 2015 - 10:06 am
Go with what modbus.org publishes today. There will be subtle differences in some data...
Firing on Gas - Main Fuel Pump
When does the clutch of the main fuel pump disengage when firing on Gas? Does the shaft of the main fuel pump rotate when unit is selected on Gas fuel mode and on turning gear?
Compressor Bleed Valve Failure: Causes and Recommendation
My plant is facing regular problems with Compressor Bleed Valve of Hitachi H25 units. I have been asked to come up with solutions to this problem
Operating a Gas Turbine on FSNL
Running gas turbine on FSNL for a long period of time.
Generation Getting Down to Zero
Generation getting down to zero from full load while in service without any external commands.
drum loadable for Modicon 984-685E
I'm trying to find a bit of software written to allow a DRUM (sequencer) to be installed in a Modicon PLC (984-685E).
By Brian Cervi on 26 January, 2015 - 9:11 am
Don't count on Unity Help files to document an obsolete and ancient function from Modsoft. Look to...
By Freeman on 25 January, 2015 - 7:31 pm
I too need help programming a DRUM function in Modicons-Unity Pro platform. While the manual does...
MODBUS Newcomer Has Questions
New to MODBUS and have questions about function codes
Eurotherm Recorder's Communication via MODBUS TCP
Eurotherm recorders communication using MODBUS TCP has become erratic.
Purchasing a New HART Communicator
Looking for advice on selecting a new HART Communicator for power plant.
By Chris A on 25 January, 2015 - 5:45 pm
You say that you have a lot of sensors in your factory. You should probably consider a rack-based...
ID Fan Indicates Speed When It Is in Stop Condition
ID Fan is in Stop Condition but the DCS shows 700 RPMs
State Space Representation Does Not Work with Superposition Theorem
I need to get the state space model of a MISO circuit. I got the total differential equation from the superposition theorem but its state space model does not work.
Piping Material Specification
Looking for piping material specification information
By Saif on 25 January, 2015 - 3:54 am
Dear, this is very common line numbering system: D363-CH-118: usually give you info. about unit...
Limiting the Gas Turbine Load and Operating at Base Load
Feasibility of operating the GT at lower load by limiting the baseload IGV opening setting.
Master Thesis Guidance With Protocols
Trying to decide which communication protocol is better for the API I am designing for my Master Thesis.
Physics of ... Tap-Changer
The question is asked often, but never a viable answer!
Auto Re-Ignition in Premix Mode
Auto Re-Ignition in primary when I try to go to Premix Mode
Example of Higher Order Control System
Need Examples of Higher Order Control System
Lossy NC Contact Blocks on Pushbuttons
Should I replace Estop buttons that are not reading 0 ohms Normally Closed?
By Curt Wuollet on 23 January, 2015 - 8:18 pm
Not on my fluke, but the point still stands. Obviously they are making contact when wetted by the...
By Bob Peterson on 23 January, 2015 - 5:13 pm
most likely what you are seeing is corrosion on the terminals of the NC contacts and not the...
By Gerald Beaudoin on 23 January, 2015 - 2:03 pm
I'd bet right along with Curt....sounds like a measurement issue. > If I was a betting man,...
By rootboy on 23 January, 2015 - 3:11 am
Have an assistant jumper across the contacts while you are measuring voltage at the coil. If you...
By Curt Wuollet on 22 January, 2015 - 9:15 pm
Stop and think about that for a bit, the statements you made are contradictory. If indeed the...
Posible Damage from XLPE Cable Load
Effect or damage of XLPE Medium voltage and low voltage cable carrying load
Selecting A Pressure Switch for Hazardous Environments
Need some help selecting the right pressure switch in an environment with H2S present.
By otised on 23 January, 2015 - 10:42 am
The main issue with H2S is its corrosiveness. It will destroy copper and many other metals. Gold...
Pings Over MODBUS But There Is No Reply
A PLC does not receive information from an equipment over Modbus TCP/IP protocol.
By Lynn August Linse on 23 January, 2015 - 9:05 am
I think you need to read the 'Ethernet radio' docs carefully! Many do severe packet filtering,...
Peristaltic Pump on Industrial Bus
Controlling pump speed and receiving speed feedback from peristaltic pump on industrial bus
PCMCIA Card in Magelis panel
I could not work on PCMCIA PC card ATA by my laptop because in MY Computer i have icon for removable disk f: but i was not able to open it then I want driver program for this card then i can loading or copy my application file in it .
By Brian Cervi on 22 January, 2015 - 7:25 pm
If you are using Vijeo Designer, one of the "transfer options" is file system (others are...