SCADA for Electrical Metering
Looking for a SCADA system for electrical metering
Open Permissive Command for MOV
Posted by Mohammed Najeebuddin on 28 May, 2015 - 3:58 am
How can we configure "OPEN PERMISSIVE" Command in the MOV Either From MOV Side OR IN SCADA?
Difficulties in creating reports with wincc SCADA.
GE Gas leak Test Pass/Fail
How are the requirements/constants for passing or failing a gas leak test calculated?
By be_anon on 27 May, 2015 - 2:20 pm
The constants Controlquest refers to are part of the "bottle test" that is done during...
on 27 May, 2015 - 8:56 am
Controlquest, The Gas Leak Test is a test which has been implemented to protect against stop...
Air Inlet Pressure Setting for Nitrogen NG54 Make Atlas Copco.
How to change the Air Inlet Pressure Set point from 10 Bar to 8.5 bar for Nitrogen Generator NG54 Make Atlas Copco.
Understanding Blower Ratings
When a blower is rated for ____ CFM @ ___ SP @ ____ RPM, where is the static pressure measured?
By Steve Myres on 21 May, 2015 - 5:14 pm
Generally speaking, your CFM will be proportional to the rpm, for a given system curve (don't know...
Frame 9E Cooling Water System
Frame 9E Cooling Water System - Flame scanner overheating & Aft support legs temperature high
on 27 May, 2015 - 6:16 pm
Arun/kumara, Are you also continuously bleeding air/water from the lines of the other unit back...
on 24 May, 2015 - 9:10 am
Arum/kumara, To properly calculate a differential across an orifice one would need to know the...
on 21 May, 2015 - 9:01 pm
Arun/kumara, My presumption was that the cooling water module was working properly--which I...
Speed of Synchronous Generator
Posted by Muhammad Salman on 26 February, 2010 - 4:08 pm
Why Speed of Synchronous Generator decrease with increasing speed?
on 26 May, 2015 - 2:24 pm
jannatul, you one basic question needs many corrections. The size of an engine is equal to the...
By jannatul on 26 May, 2015 - 4:35 am
sir, i need to know one basic question answer. suppose my engine has one cylinder and its...
Lube oil temperature and bearing vibration
Is there any correlation between lube oil temperature and bearing vibration?
By Hdixit on 27 May, 2015 - 2:21 am
You can check my paper "Effect of lube oil temperature on turbine shaft vibrations" on...
Multiple Modbus RS485 device On same RS485 to USB convertor
Connect two or more RS485 Modbus device to single USB port.
Increasing Power in Synchronous Generator
We have a STG the output power is 26 MW I need to increase it to 31.2 MW
on 26 May, 2015 - 2:11 pm
Hothifah, 1) First, you need to understand that generators are electrical machines that convert...
Offset Error Rosemount 1056 Analyzer with 3900VP pH Probe
Attempted to calibrate the analyzer. Offset error of 110 mV with a max possible 60 mV. Verified probe good with known functional analyzer.
Controlling Valve Outputs Connected to Step 7 via PROFIBUS
how to control festo cpv-10 Dl02 connected profibus with s7 300 & 315-2DP cpu?
I'm having difficulty reading actual voltages etc with MODBUS software, is this possible?
Conductor NT 6.0 Compatibility
ABB Conductor NT V6.0 Compatibility With windows 7 Pro 32bit
Why we don't have the gas leak test for the Frame5 GE machine?
Starting Clutches of GT Frame 7E
We have failure in our gas turbine's starting clutches
By Ayed on 25 May, 2015 - 6:25 am
Dear I will divided your reply into points. 1- Suction of Aux. hyd oil pump. It is always,...
on 21 May, 2015 - 7:03 pm
Whenever a Aux. Hydraulic Pump is started it takes a short amount of time to build up pressure--the...
High Discharge Temperature of Gas Turbine Atomizing Air Compressor
we are operating two frame 5 gas turbines having power output of 18MW. Recently we restored the compressor on one of our turbine. After start up the discharge temperature of AA compressor reached to 190 degree C.
on 25 May, 2015 - 4:22 am
AW, Have you asked GE this question? If so, what was their response? Is there a cooler in the...
Busbar Differential Protection
Busbar Differential protection for MV switchgear for 2 out of 3 (2/3) Incomer logic
By magesh on 23 May, 2015 - 4:43 am
> The Bus B will remain energized for fault in Bus A. Next if a further fault in Bus B...
Speed Pickup vs Frequency Transducer for Speed Signal
Based on your experience, which sensor/signal is better for speed control in a generator, a speed pickup or a frequency transducer?
on 24 May, 2015 - 8:32 am
delirios, How are you measuring the accuracy of the speed pick-ups--by a value on a display or a...
9E DLN1 - Fail to go Premix Transfer
Frame 9E unit starts normally, but going from liquid fuel transfer to gas transfer unit goes into extended lean lean.
Gas Turbine Efficiency/Power Output vs Relative Humidity and Specific Humidity
Posted by sriramsandeep on 1 April, 2015 - 1:15 pm
gas turbine efficiency/power output vs Relative humidity and Specific humidity
By hadi allahyari on 24 May, 2015 - 3:06 am
hi humidity effect according to GER 3567H (GE reference) has 2 different effect on gas turbine...
Connecting To and Reading From TCP/IP MODBUS Unit
Posted by Simon Pearce on 23 May, 2015 - 12:20 am
How to set up and read from MODBUS registers over TCP/IP
Rectifier from 120Vac to 125Vdc
I'm trying to obtain 125Vdc from a 120Vac OR other way of obtaining 125Vdc from a power generator of 3kW
By Curt Wuollet on 21 May, 2015 - 10:14 pm
IIRC, you might get close with a rectifier and a choke input filter, under load. But I haven't...
Siemens PCS7 Server Healthy Status Issues after Changes
After updating PCS7 network and Server/client status updating, but server not show healthy status.
MEGAC and Fuel Gas Valve Control
Looking for information about MEGAC and fuel gas valve control of turbo-generator
Problem Communicating with Siemens G120 Drive Using MODBUS
Problem when writing to control word register for Siemens (SINAMICS G 120) drive using MODBUS
AutoConfig Software Connection Bug
*Seeking Advice* ThermoScientific's AutoConfig SW will not show the Com1 & Com3 select option under the communication parameter window.
Chesapeake/BP Amocams RTU
Chesapeake/BP Amocams RTU (Bristol Babcock 3340) configuration documentation and applications
By Kendall Augustine on 22 May, 2015 - 5:07 pm
You will Need a Software call HyperAccess to gain control of the 3340 RTU. This software must be...
Working Principle of Vibration sensor
Working principle of 5485C Metrix Velocity sensor.
By Anil on 22 May, 2015 - 9:10 am
I have some questions in this concept. How will it generate voltage? Means it will not directly...
Coding Using LQR for Synchronous Generator
Posted by Engr Muhammad Zubair Ali on 21 May, 2015 - 1:12 pm
Need advice about coding using LQR for modeling and control of synchronous generator
False Start Drain Thermocouples
The purpose of the false start drain thermocouple sensors (WWTD-1, WWTD-2 in Frame 9E?