Pump Suction Pressure Frequently Increase and Decrease
In Boiler Feed water Pump all the time pump suction pressure increase and decrease. Why this is happening and how we can overcome the problem.
By d on 27 March, 2017 - 7:46 pm
> The pump is taking suction from LP drum. if this LP drum is also the dearator, where make...
Config MODBUS in Cimplicity Mark V
How to configure MODBUS in GE Cimplicity Mark V
By Amar DAMENE on 23 April, 2017 - 5:33 am
Dear bric, We have GE Mark V Cimplicity HMI which is connected via MODBUS TCP to DCS. First,...
Flow Under and Flow Over Control Valve
Flow direction for flow under and flow over control valve
Wireless Transmitter for High Temperature Application
Need Wireless Transmitter for high ambient temperature.
Calculating Compressor Ratio
How to calculate air pressure at any of the compressor stage?
Pitch and Yaw Angles When Measuring Air Flow
Questions about measuring air flow
By d on 17 April, 2017 - 11:12 am
If the flow is in the direction X, and your sensor (assumed to be sensitive to pitch) is pitched up...
Parallel Generators and Excitation Voltage
I can't seem to get my head around how to determine the Excitation Voltage a 1 generator in a parallel system
By Saul on 13 April, 2017 - 9:55 am
Hi CSA, I mostly agree with you. However, I noticed that even when a generator is synchronized...
Who really wants control and business networks merged besides the companies pushing the concept?
calculating motor power draw
Calculating motor power draw
Ex nAC Device in Enclosure Ex e
I want to use an Ex nAC device in Ex e enclosure.
Flow Rate and Pressure in Parallel Pipe System
How to make a water sensor with Maxlimit - 60 Litres/min and Pressure <1.7Mpa work on water line with flow of 300 Litres/min and to figure out the total water flow and record it like a water meter would do.
By d on 9 April, 2017 - 6:23 am
If the meter does not meet the design requirements, do not use it. If you want a working...
Gas Turbine Stator Temperature Sensors
GE Frame 6B stator temperature sensor replacement
LEL Detectors Regulations in Europe and USA
Reference to European and USA standards for placing of LEL detectors in oil and gas plants.
By d on 9 April, 2017 - 10:52 am
In the US it is the NFPA (Nat. Fire Protection), but there are also guide lines in the API...
Simulation Control Environment
Simulation Control Environment Problem
Torque and speed control in BLDC motors
I want to know the details of a speed control for a BLDC motors. I want to know the relation between the torque variation during speed control.
Jenbacher Diane XT Sudden Reboot Problem
Problem with GE Jenbacher generators where Jenbacher Diane XT installed on all 3 control panels of the generators suddenly reboot.
I and C Challenges in GT Driven Compressor Package
Quick check points for consideration during the Instrumentation Engineering for GT Driven Compressors in LNG Plant.
Mark Vie Fast Close Solenoid
What is the signal to trigger MarkVie, CV, MSV, RSV, IV fast close?
DANFOSS AK-SC255 XML Communications
Where is the Device ID for Danfoss AK-SC255
Variable Speed Drive for Pump Control
Variable speed pump and control
on 3 April, 2017 - 9:57 am
OmerASD, as you mentioned there's internal PID controller in VFD. so can I used to replace the...
How to Analyze a Safety Circuit
How do I analyze a safety relay circuit to understand how it works?
PID Control Alternatives in Electro-mechanical Applications
What are Modern Alternatives to PID control in electromechanical systems and how are they different?
Open Circuit a Current Transformer
Why should you never open circuit a CT?
By anilreddy488 on 3 April, 2017 - 2:42 am
Mr Corso, Could you please further elaborate on the voltampere characteristics of a Power...
Plug and Butterfly Valves
What are the common features between plug valve and butterfly valve?
GE Gas Turbine Fuel Conversion I&C
Need Informative help for Gas turbine Fuel COnversion
By rizwan on 1 April, 2017 - 5:10 am
Hi Gentlemen, Thanks for your reply and valuable information. I have study my turbine...
How Does Imbalance in Transformer Secondary Affect Primary
If a neutral current flows to earth on the secondary of a delta to star step down transformer, how are the primary currents affected?
By d on 29 March, 2017 - 7:49 pm
Now you really need a electrical specialist to address the analytical details, but once you start...
Rotational Direction of a Turbine Generator
Could you please help me clarify if the rotational direction of a turbine is always the same.
Looking for alternative OPC Server for Yokogawa Centum VP DCS
By Syed Samsamuddin on 26 March, 2017 - 3:30 pm
Hi. I read your post regarding an alternative to ExaOPC. I was looking for a similar...
GE EX2100E Documentation Needed
Looking for Ex2100e and Ls2100e documentation
Fire Alarm Monitoring in Triconex?
Triconex interface that connects to fire alarm control panel
Developing Criterion for Plant and Model Using Model Predictive Control (MPC)
What criterion my plant and model need in order to have good control outcome with Model predictive control (MPC)?
By Hans H. Eder on 24 March, 2017 - 8:04 am
In general terms: The higher the ratio of dead time to time constant, the more a model based...