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Startup/Shutdown/Trip Effect on Turbine Lifetime
Posted by nldgseeker on 31 March, 2019 - 2:50 am
Could you please advise what the effect of unit shut down, trip, start up on turbine life time?
7
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MarkVIe: When put in ISO generator purging is shown
Posted by Esoteric_Stone on 30 March, 2019 - 6:26 pm
The turbine was running on the droop mode. When its mode was changed in to ISO, Generator purging was shown in HMI (status_fld).
6
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Synchronization in MarkV and MarkVIe
Posted by Esoteric_Stone on 30 March, 2019 - 5:54 pm
I want to discuss synchronization in detail including the logic of relays K25, K25P and K25X.
5
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Removing Measurement Orifice Plates to Stop Restrictions in Pipeline
Posted by Winwinston on 29 March, 2019 - 12:14 pm
Question About Removing Measurement Orifice Plates to Stop Restrictions in Pipeline
Process Historian: PI Vs PHD
Posted by selva on 29 March, 2019 - 4:50 am
Does anyone have a latest comparison of Process Historian systems, PI versus PHD? List of Advantages/Challenges.
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Mark VIe: Excessive Volt/Hertz Trip
Posted by Esoteric_Stone on 28 March, 2019 - 7:23 pm
Within five seconds after synchronization, GT is tripping on EXCESSIVE VOLT PER HERTZ trip.
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The Efficiency of Ultrasonic Level Sensor
Posted by Holykell on 28 March, 2019 - 5:34 am
The efficiency of ultrasonic level sensor can be improved by monitoring the fluctuation of liquid level in pump station
3
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High Exhaust Temperature Spread
Posted by Madupat on 28 March, 2019 - 5:01 am
Our GT, frame 6, Mark 6E, trips on high temperature spread when on gas firing mode.
9
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Mark V to MarkVIe Migration
Posted by Mousaab on 28 March, 2019 - 2:25 am
Mark V Life extension
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Frame 6 DLN Loading Issue
Posted by minhao_lee on 27 March, 2019 - 10:27 pm
Gas Turbine BASELOAD/PARTLOAD Issue
Inspection of 11KV Generator and Its BL Exciter
Posted by champak on 27 March, 2019 - 1:20 pm
How to inspect LSTK power generation (with HRSG boiler)
1
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Approved Diesel Fuel Shut-off Valve
Posted by vsegvic on 27 March, 2019 - 12:49 pm
Looking for producers of type approved fuel shut-off valves.
Modbus. dll File for VB or Excel
Posted by Adolfo Leon Hernandez Abadia on 27 March, 2019 - 11:42 am
Modbus. dll Is required for VB or Excel
Modbus TCP Reading 32 bit Registers Problem
Posted by Ricardo78 on 27 March, 2019 - 10:08 am
Trying to read the input registers through Modbus but have problems with 32bit registers.
6
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When Do I Need Y-Pattern Needle Valve?
Posted by Tharwat on 27 March, 2019 - 7:52 am
I want to purchase needle valves as a replacement for built-in needle valves (Y Pattern).
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Supply of Reactive Power through Generator/Exciter
Posted by MGP on 27 March, 2019 - 5:09 am
We are planning to provide ancillary service to the grid by means of reactive power support by raising or lowering the excitation of our turbo generator.
1
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HAZID Study
Posted by kld_rm on 26 March, 2019 - 4:51 pm
HAZID study requirements
1
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TNR Reverse Power Not Detected
Posted by sugarboi on 26 March, 2019 - 9:33 am
cause of TNR reverse power Not Detected
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COe Emissions
Posted by shouvonik22 on 26 March, 2019 - 7:48 am
Questions about Servomex 2700 combustion gas analyzer for measuring oxygen percent and COe(ppm) emissions
4
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VAR Control on Siemens SGT5-4000F
Posted by tonytomson on 25 March, 2019 - 8:05 am
Help needed with VAR control as part of reactive capability curve verification
Controlling Two Micromaster 440 Drives
Posted by Crowfoot on 25 March, 2019 - 6:41 am
Looking for a method to control two AC drives which must work together driving a semi coupled load.
HART Communication
Posted by problem on 24 March, 2019 - 8:24 pm
HART communication between field transmitter and MTL5544D
2
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MarkVIe Deadbus Breaker Closure Simulation
Posted by Esoteric_Stone on 24 March, 2019 - 3:48 pm
How to simulate the DEAD BUS BREAKER closure while the GT is off but the BUS is LIVE.
5
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GE Speed Protection
Posted by jalestine on 24 March, 2019 - 11:19 am
What is meant by protective and control speed?
3
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Confusion over SRV Checkout on Frame 6B with a Flenco DLN1 Gas Module
Posted by Stumped on 23 March, 2019 - 5:41 pm
Frame 6B (as only) combustion turbine DLN1 module has a fisher V300 ball valve as an SRV. Confused on discrepancies between original control document and original commissioning book.
6
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Wheelspace Thermocouple Exact Location
Posted by Techieraa on 22 March, 2019 - 8:41 am
Want to gain a clear understanding of wheelspace thermocouples
2
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Fluid Batching Application
Posted by Tofunmi on 22 March, 2019 - 4:27 am
Water batching process control solution which will have a batch counter (E+H RA33), Control Valve, and E+H Flowmeter (Picomag)
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Frame-3 GE GT EOP Motor Characteristic Curves
Posted by vikas on 22 March, 2019 - 2:59 am
Looking for Frame-3 GE make GT EOP motor characteristics, efficiency load curves, etc.
Modbus RTU Help
Posted by JD_mod on 21 March, 2019 - 8:09 pm
Need modbus help. Issues with read functions sending to master.
4
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Serial Communication with Gardner Denver ES+ Controller
Posted by gallo27 on 21 March, 2019 - 5:41 pm
Having trouble trying to communicate to Gardner Denver ES+ Controller via RS232 serial connection. Trying to send ASCII requests to controller but I don't get anything back.
Learning Supcon and Other DCSs
Posted by santosh sarma on 21 March, 2019 - 1:46 pm
Portability of things learned from using Supcon to other DCS
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Flue-gas Desulfurization (FGD) Logic Insterlocks Design
Posted by ArenasM on 21 March, 2019 - 3:39 am
Are there any regulations (EU or others) that define the limitation and regulation of the startup of a Boiler if its FGD is out of service?
3
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Foundation Fieldbus
Posted by autogeek on 20 March, 2019 - 6:46 pm
Difference between FF, HART, 4-20ma communication. Does a FF transmitter require 4-20ma signal?
2
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Modbus Communication with Danfoss VLT FC360
Posted by MONAK on 20 March, 2019 - 6:04 am
Cannot fetch data on serial communication using Modbus with Danfoss VLT FC360.
Activate Tables Menu in Instrument index of INtools
Posted by dovestar on 20 March, 2019 - 3:07 am
Activating the tables menu in SmartPlant Instrumentation
SFC CPU Card Replacement Fault
Posted by ansmehmood on 19 March, 2019 - 11:17 am
Converteam SFC installed at our site and now have problems after replacing a problem CPU card.
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VFD on 300 KW , 440 Volts Compressor
Posted by mushahid on 19 March, 2019 - 12:46 am
Replacing Reduced voltage starter to VFD on 300KW Motor drive compressor
8
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Polling Slaves from 2 Masters
Posted by Sean Campbell on 18 March, 2019 - 8:20 am
Can devices configured as Modbus Slaves send data to 2 separate Masters?
High fuel flow
Posted by psajay1992 on 18 March, 2019 - 3:04 am
Working on simulation for 6FA machine. Need help to debug.
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Modbus RTU to Bluetooth
Posted by chromeaccent on 15 March, 2019 - 11:50 am
modbus RTU to bluetooth converter
3
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PLC Programing Beginner
Posted by kwameplc on 15 March, 2019 - 11:04 am
Looking for advice on the purchase of a training kit to learn PLC programming at home
4
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A New Modbus-TCP Server Simulator
Posted by Talat Dogan on 15 March, 2019 - 9:47 am
New Modbus-TCP Server Simulator freeware is ready for download.
Coal Power Plant Coordinated Unit Control
Posted by Micik1 on 15 March, 2019 - 9:11 am
Basic types of unit control in a coal fired power plant
Model-free Controller Simulation
Posted by David on 15 March, 2019 - 8:57 am
I am designing model-free controllers and I would like to simulate its performances.
3
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Installing a Flowmeter to Calculate Gas Quantity and Display Information in Control Room
Posted by abdouzita103 on 15 March, 2019 - 3:58 am
Installing a new flowmeter to calculate gas quantity passing through a pipe and displays in control room
5
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Should I use a Regenerative Drive?
Posted by imran0413 on 15 March, 2019 - 1:51 am
Load is driving motor so motor is actually working as generator. Is there any advantage of installing Regenerative drive?
6
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Mark 5 Processor Showing Faults
Posted by Hamed87 on 14 March, 2019 - 12:57 pm
Mark 5 processor showing faults and alarms after restart
Online Calculator for Time-Optimal Jerk-Limited Trajectories
Posted by cheeco on 14 March, 2019 - 6:14 am
Calculate and download time-optimal trajectories with jerk limitation online
Loadcell with S7 1200 and HMI
Posted by burakuzun on 13 March, 2019 - 4:03 pm
weight control with using Siemens S7 1200 and HMI screen
Induced Over Voltage Test of Transformer
Posted by shaheed on 13 March, 2019 - 8:09 am
What will be the normal current during during the test of induced over voltage of a 200KVA 11KV/400V 3 phase transformer?
14
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PG6111FA M-VIe control IGV hunting in Preselect Load
Posted by STLTLS on 13 March, 2019 - 7:28 am
IGV hunting during only on preselect load operation.
12
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Mark6e (MK5 migration) Exhaust Thermocouples Read Low
Posted by borrellimd on 12 March, 2019 - 2:52 pm
Mark6e (MK5 migration) exhaust thermocouples all read ~20DegF low
2
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SRV and GCV Calibration in Cranke Mode
Posted by Mcc on 12 March, 2019 - 1:16 pm
How I can calibrate the SRV&GCV with crank mode in MARK 6?
2
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How can I get a PCB for prototype?
Posted by Jimmy Saldivias on 12 March, 2019 - 12:30 pm
Need to manufacture 10 boards according to a Texas Instruments design TIDA-01575 to Wirelessly Monitor Vibration on Motors but cannot get manufacturers for it.
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Integrating a non-Modbus system with a Modbus BMS
Posted by EYAD F on 12 March, 2019 - 10:37 am
Ethernet TCP/IP with a BMS system that supports MODBUS.
4
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Commuincating with Laser Caliper (Laser Online LST-25)
Posted by Leafy on 11 March, 2019 - 2:36 pm
Anyone have experience communicating with a Chinese brand Laser Online LX-25 laser caliper via MODBUS RTU protocol?
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PLC for Hamilton Visiwater DO Probe
Posted by dpm321 on 11 March, 2019 - 12:52 pm
Connecting a Hamilton Visiwater DO probe to a suitable PLC
8
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Selecting a PC for SCADA Systems
Posted by alisnelectric on 10 March, 2019 - 1:37 pm
Selecting a PC for installing SCADA.
PLC Control System Design Documentation
Posted by alisnelectric on 10 March, 2019 - 1:29 pm
plc control system documentation
Changing Modbus MBAP Header
Posted by Oemer on 9 March, 2019 - 4:16 pm
Is there a way to define the MBAP header (ADU) themselves? I want to send: 40 02 AA BB always as Header.
Programing Combox-s Module for Modbus Networking in Atlas Copco Elektronikon MkIV Compressor
Posted by hph1988 on 9 March, 2019 - 12:33 pm
How can I program combox-s module using FDP for Modbus networking in Atlas Copco's Elektronikon MkIV compressor?
2
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Bubbler Level Measurement in Closed Vessel Vacuum
Posted by Jangir on 8 March, 2019 - 10:48 am
How use a dpt as a bubbler level transmitter in vacuum vessel 70 kpa-a.
Generator Differential Protection Operation During Connecting Generator to the Network
Posted by protectionfreak on 6 March, 2019 - 7:40 pm
Differential relays operation during failed attempt to close the generator circuit breaker
3
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GT Air Inlet Housing DP Measurement Location
Posted by luowilliam on 6 March, 2019 - 3:57 pm
Specifying DP measurement requirement for GT air inlet housing?
3
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MKV Analog Input Freezes After Change in Configuration
Posted by jhon123 on 6 March, 2019 - 3:48 am
MKV analog input Freezes after change to configuration from TMR to Simplex
7
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MODBus Memory Mapping
Posted by Logan on 5 March, 2019 - 3:41 pm
MODBus memory mapping for registers
2
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Working with Honeywell TDC EB Files
Posted by EMesher on 5 March, 2019 - 10:20 am
Converting Honeywell TDC EB files to Excel
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Modbus I/Os Read/Write from Micro850
Posted by omer on 4 March, 2019 - 4:01 am
How to relate a Tag in CCW to a Modbus register
3
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Pressure Transmitter Calibration
Posted by jyothis_sebastian on 4 March, 2019 - 2:50 am
Issue checking a datasheet for pressure transmitter submitted by a contractor
3
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Photoelectric Sensors
Posted by Steven on 3 March, 2019 - 3:27 am
Photoelectric sensor sees small gap in product spacing and machine faults on insufficient gap
Power Plant Operation
Posted by er_dhavalpatel123 on 2 March, 2019 - 8:45 am
Looking for simple graphic procedure/manual on trend/alarms/events for Alstom ALSPA and Emerson Ovation
Deltav Controllers
Posted by walid25 on 1 March, 2019 - 4:29 am
The difference between deltav controllers
2
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Honeywell DCS
Posted by SHAH REZA on 28 February, 2019 - 5:20 am
Difference Between Honeywell Plant Cruise By Experion and Experion PKS DCS system?
11
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Questions and Insights about Aeroderivative Gas Turbine
Posted by Isulamu on 28 February, 2019 - 1:50 am
Some questions about the mechanical side of the aeroderivative GT.
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Printer for Mark 4
Posted by aperkot16 on 28 February, 2019 - 12:54 am
Using a laser printer for the control panel of a gas turbine Mark 4
3
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Min Value Gate Operation
Posted by gustavo_marcelo on 28 February, 2019 - 12:01 am
Some questions about Min Value Gate operation
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Starting a GE Gas Turbine
Posted by GODWIN REUBEN on 27 February, 2019 - 8:46 pm
Starting GE Frame 5 turbine from the HMI
3
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Automation Protocol Through Ethernet
Posted by Sreejith on 27 February, 2019 - 6:26 am
Is it possible to communicate multiple TCP IP protocols through a single port?
6
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Unable to Install ToolboxST V04.07.06C on Laptop
Posted by Zaasher on 26 February, 2019 - 7:49 pm
Unable to install Toolbox ST V04.07.06C on laptop with Windows 8.1 Enterprise.
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Variable Frequency Drive
Posted by unexpo on 25 February, 2019 - 2:05 pm
Altivar variator drive does not work correctly when frequency increases after passing 10 HZ.
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Actuator Friction Modelling
Posted by timiane on 25 February, 2019 - 3:54 am
My project is modeling an actuator. It consists of a contraction between a leadscrew and a spring. I have encountered some issues modeling the friction component of the system.
4
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Modbus TCP and Citect SCADA 6.10
Posted by raimoretku on 22 February, 2019 - 9:04 am
Modbus TCP driver for Citect v6.10?
2
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Active-X Modbus That Supports Double Floating Point (64bits)
Posted by Fernando Herranz on 22 February, 2019 - 5:52 am
Looking for a Active-X Modbus supporting Double floating point (64bits)
1
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LQR on a State That Has Frequency "Zeros"
Posted by Ian on 20 February, 2019 - 12:29 pm
Dampening oscillations at impedance roots
12
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Switch or Router?
Posted by xtal_001 on 20 February, 2019 - 11:59 am
I am building a panel with a PLC, an HMI, and a cellular modem ... Do I need a switch or router?
Modbus RTU for Micro Controller without Library
Posted by bkhcm94 on 18 February, 2019 - 8:39 pm
Help me program Modbus master Function 03 in micro controller without library
9
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Modbus's Registers Real Time Actual Value
Posted by khaledelrady on 17 February, 2019 - 10:49 pm
Modbus's registers real time actual value problem
Fire and Gas Fault Alarm
Posted by elmeskawi on 17 February, 2019 - 11:14 am
FGP-AI420LO Doesn't distribute 24 Vdc to both of Gas Detector at house filter and heavy duty
1
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Changing/Replacing Lube oil
Posted by T.Operator on 15 February, 2019 - 2:12 pm
Changing lube oil
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Oil Leak at Brush Generator - Non-exciter End
Posted by Dami Paul on 15 February, 2019 - 7:23 am
Serious leak on non exciter end of Brush generator.
5
replies
Suitable Sensor for Detection of Carry Over Condensate in Gas Line
Posted by Aazim on 15 February, 2019 - 2:13 am
Liquid Carry Over Detection Solution in the pressurized gas line?
3
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Mark V Simplex R Core at A8
Posted by Power Island on 14 February, 2019 - 3:29 pm
Problem at a site. R core remains at A8 and is frozen, and C core at A5 state.
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Liquid Fuel Burner FF Ratio
Posted by Aan on 14 February, 2019 - 2:06 pm
what is the Burner FF Ratio?
3
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ABB DCS800
Posted by planetmars12 on 14 February, 2019 - 11:57 am
Can not connect my PC to the drive via serial connection.
2
replies
Different Loop Tuning Methods vs Trial and Error
Posted by chemohanom on 13 February, 2019 - 4:32 am
Question is about whether to use lambda tuning or ziegler-nichols method versus trial and error loop tuning.
3
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Coriolis Flow Meter Density Deviation
Posted by Muhannad on 13 February, 2019 - 1:34 am
Coriolis Flow meter Density Deviation 44% and more
9
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Combined Cycle Power Plant Start Up
Posted by rokan_123 on 12 February, 2019 - 12:43 pm
Controlling Vertical Type HRSG's HP drum metal temperature during start up with GE Frame-9E Dual Fuel standard combustion Gas Turbine.
1
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AEG Logistat A020
Posted by BlueStone9 on 12 February, 2019 - 11:17 am
Help converting AEG Logistat A020 statement code
1
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Micro PLC TSX17
Posted by Seif_elnasr on 12 February, 2019 - 6:35 am
Programming Micro PLC TSX17
MOBDUS Communication for C2000
Posted by ASHWINEE on 12 February, 2019 - 4:44 am
How to program host and slave using C2000 launchpad