Need to understand how the negative half of a zener diode clipping circuit is clipped at the cathode end of the zener.
By W.L. Mostia on 13 March, 2018 - 2:15 pm
Your description of your problem is a bit rambling. Anyway, here are some explanations of how a...
Monitoring electrical distribution system with PLC with communication module.
Shield Terminal and Wire Color
What color wire and terminals we should use for cable shielding termination?
By Bob Peterson on 11 March, 2018 - 9:26 pm
The Shield wire is almost always bare. A grounding type terminal is appropriate if you want to...
By Ikhtiander - on 9 March, 2018 - 10:06 pm
Hi Bhushanj, Shield from instrument cable should be connected to instrument earth (IE) on one...
By W.L. Mostia on 9 March, 2018 - 3:39 pm
You don't say what type of cables you are talking about, but for twisted-pair shielded cable, the...
Exhaust Temp Spread Trip after Selecting IGV Temp Match
The GT trips on high exhaust temperature spread after selecting IGV Temp Matching (transfer from SC into CC)
Grey-box System ID for a Set of DAEs
What is the best approach to system identification in this situation.
Gas Turbine IBH Valve Opening Without Any Command
GE Frame 6 B Turbine Inlet Bleed Heating Valve opening without any command.
on 3 March, 2018 - 9:53 am
No intelligible information. You say you have data to show that the valve opens all by itself....
Generator load sharing methods
I'm looking for an explanation of Diesel Generator and Gas Turbine load sharing method explanations. Can anyone help?
By Vinay Jadhav on 7 March, 2018 - 5:24 am
Reply: yes is it Voltage droop method & one more method is Isochronous for Load sharing. ...
Standby generator trip on overspeed
We have an standby generator installed. It starts and run but after about 30 minutes it stops running.
By Wilton Anderson on 5 March, 2018 - 6:57 pm
My Guardian generac 15kw standby generator just had the same symptoms. I spoke to a generac...
Inventory of Control Instruments
Want to make an inventory of all measurement instruments and actuators at my plant. Need your advice
Actuator Action Control in Control Valve Engineering
Posted by Rushi Shroff on 4 March, 2018 - 12:58 am
Control Valve Engineering
DCS Systems for Balance of Plant
Looking for DCS solutions for balance of plant
By rmohl on 3 March, 2018 - 5:21 pm
Achraf Depending on the Needs, Foxboro-Schneider did most of BOP before some of these other...
By Gordon on 25 February, 2018 - 9:28 am
Achraf I would look into Bedrock Automation's newest DCS. It is extremely versatile, on par with...
Preparing for DCS Control System Upgrade
DCS Control System Upgrade preparations - need suggestions
Enthalpy formula calculation?
I need an enthalpy calculation formula to put in a macro datasheet and then this macro do it automaticlly to avoid do another extra calculation in the psychometric chart.
Intermittent Seismic Vibrations Increase at GE Frame 5 Turbine Compressor Casing
We are facing issues of intermittent vibration at gas turbine
Foxboro I/A Series Tutorial
Looking for support calculation of how we can calculate the required exhaust flow of flue gas to raise the compressor exist temp prior enter to the combustion.
MODBUS RTU Slave Communication Issue
Posted by Praveen Gonsalves on 21 February, 2018 - 4:43 am
MODBUS RTU Slave Communication issue with MODBUS Master
Generator Hydrogen Cooling System
hydrogen cooling system for GE frame6
Loading Arm PERC Test Function
How to perform PERC test on LPG loading arm
Looking for a sensor that can detect a titanium ball, moving through a stainless steel pipe.
Looking for PDF copies of MARK VIe manuals
ACME control transformer - connecting secondary and earth terminals
By W.L. Mostia on 14 February, 2018 - 2:49 pm
According to your transformer nameplate, you have a 240 VAC transformer, assuming on the primary...
Unit Trip After 28VDC Loss on MKVIE
Why we're tripped after a failure of 28 vdc power supply network, due to a PDOA fail.
How do I continuously loop inside a program without getting a watchdog error?