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Forum Archive
Inrush Current of Oil Filled Power Transformer
Posted by agillani on 27 December, 2016 - 1:01 pm
Generator tripped on Short Circuit Fault with Current 1213 - 3259 - 2862 Amp.
Power Factor
Posted by VINO RAJU on 27 December, 2016 - 11:04 am
Power factor and amps hunting
1
reply
Surge Protection for Axial Compressor
Posted by Turbobaz on 27 December, 2016 - 12:13 am
Protecting axial compressor from surge
3
replies
Bailey DCS Functions
Posted by Bobo1972 on 26 December, 2016 - 7:02 am
Upgrading from Bailey Infi90 to ControlLogix. Looking for information about some Infi90 functions.
3
replies
GE frame 6B Difference Pressure Between Combustors
Posted by mirak on 26 December, 2016 - 4:47 am
GE frame 6B difference pressure between combustors in fuel startup
2
replies
Testing Cards for Manufacturing Defects
Posted by ma7asinooo on 25 December, 2016 - 9:29 am
How can I test manufacturing defects for electronic cards?
5
replies
Abnormal Sound in Mark V Panel
Posted by Khizar on 25 December, 2016 - 8:39 am
We have observed abnormal whistling sound in our Mark V Simplex control panel for power generation on GE Frame 5 Turbine. It appears to be originating from R or C core.
Gas turbine Static Starter Fail
Posted by aminsameipoor on 25 December, 2016 - 6:39 am
Ansaldo V94.2 Gas turbine static starter fail during the startup
insulation Rating of HT Equipment
Posted by panthripu on 24 December, 2016 - 11:24 am
Insulation rating and operating voltage of HT equipment
2
replies
Hitachi Machine Tripping on TCP AC Supply Failure
Posted by manojka on 24 December, 2016 - 3:03 am
Auxillary supply failure of 2 secs to turbine MCC panel leading to machine tripping in Hitachi H25 GT. AC failure to TCP trips turbine?
6
replies
Origin of "Impulse Line"
Posted by gautamdamodar on 23 December, 2016 - 7:26 am
What is the origin of the term - impulse line - in relation to head type sensors?
4
replies
Correct Code for Modbus Communication
Posted by vilaspanchal on 23 December, 2016 - 4:55 am
Need help with Modbus RS485 and code to control Raylogic processor
T5 Temperature Low Alarm
Posted by Fahri Kemal on 21 December, 2016 - 3:05 pm
Turbomach Taurus 60 T5 temperature low alarm.
SQL Data to Cloud EMIS
Posted by Canuck on 21 December, 2016 - 9:33 am
Looking for some direction/clarity on a SQL integration project
Fire and Gas Devices Register
Posted by gasimov89 on 21 December, 2016 - 7:56 am
Categorizing fire and gas devices in a register by criticality.
6
replies
Relay Coil and Its Normally Closed Contact
Posted by servoman11111 on 21 December, 2016 - 3:42 am
Connecting a normally closed contact of the relay with the coil of relay
Woodward EM 300 Driver
Posted by btechman on 21 December, 2016 - 2:43 am
Connecting Woodward design a software EM/LQ driver interface program to configure EM drivers and am going to connect EM300.
1
reply
Simulation of OPC Server
Posted by fedrontev on 21 December, 2016 - 1:54 am
Simulation of OPC server using pre-saved data
2
replies
Reducing Hertz
Posted by Jneely on 20 December, 2016 - 10:44 am
Is there a way to reduce the frequency for a controller looking for 3800Hz working frequency?
GE MultiNET4 Comms Setup
Posted by Iwo on 19 December, 2016 - 10:09 pm
How to setup the communication between PC and GE MultiNET 4
4
replies
FSR Backup Control
Posted by MARKlaneV on 19 December, 2016 - 2:00 pm
Causes and solutions to overcome FSR backup control
3
replies
Bearing Drain Temperature
Posted by MAHENDRA on 19 December, 2016 - 4:41 am
Want to understand functioning of logic block for bearing drain temperature
1
reply
Opening IGV Full for DLN GE Frame 9E Gas Turbine While Going to Base lLoad
Posted by MAHENDRA on 19 December, 2016 - 4:13 am
Can We open IGV to full 84 degree at 40 MW while loading to base load?
2
replies
Siemens to GE Fanuc PLC Communication with Modbus RTU
Posted by dheerendar on 18 December, 2016 - 3:00 am
Connecting a Siemens S7-300 PLC to fetch data from GE Fanuc Micro PLC through Modbus RTU.
3
replies
Simulating Multiple MODBUS TCP Devices to Test a Custom SCADA
Posted by andig on 18 December, 2016 - 12:28 am
To test a C# dotNET SCADA connecting to multiple MODBUS TCP Devices including Gateways and PLCs
2
replies
Maintenance of VA19 Valve When the GTG Is Running
Posted by abdi on 17 December, 2016 - 5:38 am
For better access to the control valve for repair when the gas turbine is in service
PROVOX --- Control Designer Help
Posted by cjjeeper on 16 December, 2016 - 2:58 pm
New to Provox Control Desktop/Control Designer. Control Designer throwing an message trying to open controller.
6
replies
MKVI IGV LVDT Fail
Posted by Rom on 16 December, 2016 - 10:16 am
Frame 6FA MKVI trip after IGV LVDT failure
1
reply
Bumpless Control When Shifting from 3 Element to Single Element
Posted by AR on 16 December, 2016 - 4:29 am
Achieving bumpless control when shifting from three element to single element in element control logic
5
replies
Speed Hunting
Posted by VKGUPTA on 16 December, 2016 - 3:45 am
Gas turbine Frame-V machine speed hunting observed intermittently.
3
replies
Upgrading My Skill Set?
Posted by Harvard07 on 16 December, 2016 - 12:44 am
Looking for some C# and VB.NET hind sight for a future decision.
4
replies
GT Tripping High Vibration on Part Load
Posted by Manoj Agrawal on 16 December, 2016 - 12:05 am
Hitachi GT 25MW tripped on High vibration bearing 1 on reduction of load from base load
10
replies
Themocouple Ferrules and Sleeves Wiring
Posted by Ikhtiander on 15 December, 2016 - 8:07 pm
What are the best wiring practices for the ferrules/sleeves be in my application?
29
replies
Explosion in Frame 7FA Turbine Compartment
Posted by Astrid Ramírez on 15 December, 2016 - 5:50 pm
Explosion in frame 7FA turbine compartment and damage in secondary flexible hose in combustion chamber # 9 and in tertiary flange in combustion chamber #8
1
reply
Trips on LM2500+DLE Associated with MKVI and HMI.
Posted by NGdave on 15 December, 2016 - 9:27 am
PGT25+ Trips due to MKVI HMI "Virtual Memory Full"
3
replies
Ratchet Sequencer Alternative Circuit
Posted by Sadiyainst on 15 December, 2016 - 1:48 am
Development of alternative Ratchet Sequencer Circuit in case of MARK-VI Control system failure
1
reply
Cooling Methods for Frame 6 Gas Turbine
Posted by seeker on 14 December, 2016 - 11:57 pm
Cooling wheelspace using 5th stage extraction from compressor
Masking Alarms from Quick Builder Points on Experion PKS
Posted by ghsalsaid2 on 14 December, 2016 - 11:17 pm
Want to mask the priority of alarms using Quick Builder when certain equipment is shutdown.
3
replies
Turbine Bearing Vibration and Oil Leak
Posted by Aptx4869 on 14 December, 2016 - 12:17 pm
7FA Turbine Bearing 2 Vibration and Oil leak.
2
replies
LOSS OF MW
Posted by CTLP on 14 December, 2016 - 9:29 am
LOSS OF MW in turbine 6000f
Why in 7FA IGV Angle Hunting Due to Change in TTXM
Posted by Power13031978 on 14 December, 2016 - 7:35 am
Why IGV angle is hunting when TTXM is changing
1
reply
Frame 6B Trip on High Lube Oil Temp
Posted by davidmcc on 14 December, 2016 - 7:22 am
GE Frame 6B gas turbine trip on high lube oil temperature on load gearbox drain
2
replies
Pressure Control Valve Installed on a Propane 3 inch Line
Posted by Noor0808 on 13 December, 2016 - 2:36 pm
After replacing seat and plug on pressure control valve it is still leaking
3
replies
EMI Effect on Communication Using Modbus Protocol
Posted by Nikhil on 13 December, 2016 - 3:11 am
Need a method (or idea) on how to analyze the effect of EMI on data error
2
replies
Isolation Valve for Hydraulic Tube Inlet to GCV, SRV, LCV
Posted by abdi on 12 December, 2016 - 6:30 am
Isolation valve for hydraulic tube valve inlet to gas control valve
1
reply
Modbus with PIC24
Posted by vikranth123 on 12 December, 2016 - 5:55 am
Reading sensor output via MODBUS to PIC24 controller
1
reply
Bently Nevada Alarm Causing Turbine to Trip
Posted by azlan on 11 December, 2016 - 12:55 pm
Bently Nevada 3500 alarm activated causing the gas turbine trip
2
replies
Level Transmitter
Posted by Elmira on 10 December, 2016 - 12:18 am
level transmitters for closed drain system
TL 20000E Grid Inverter Remote Monitoring
Posted by Omar Brown on 9 December, 2016 - 2:51 pm
Looking for a supplier for an interface to remotely monitor my three Conext TL 20000E inverters
2
replies
Modbus TCP Slave Request Rejected
Posted by Trey on 9 December, 2016 - 1:07 pm
Modbus slave receives request and shuts down TCP link
Bad PV Alarms in RS3/DeltaV Inputs
Posted by Joao Queiroz on 9 December, 2016 - 9:53 am
Bad PV Alarms on analog measurements in conversion from RS3 to DeltaV.
1
reply
Magnetically Coupled Drives
Posted by PaulKraemer1 on 9 December, 2016 - 9:35 am
Can I use a magnetically coupled drive work through 2 inch thick polypropylene?
Hot Replacement GE Fanuc Module
Posted by anhviva on 9 December, 2016 - 3:56 am
Any experience out there for a hot replacement of Ge Fanuc module?
1
reply
BS-4999 Part 142 Vibration
Posted by anaalmansuri on 8 December, 2016 - 3:12 am
What is the requirements of BS-4999 for Vibration monitoring?
1
reply
Modbus Command
Posted by Mohammad Mp on 7 December, 2016 - 9:14 am
Problem in Modbus File Write Command
2
replies
Sending Data Thru Modbus Between Triconex & C300 Honeywell DCS
Posted by instengg2016 on 7 December, 2016 - 12:13 am
Sending SOE data on Modbus between Triconex PLC and Terminal Servers for Honeywell C300
13
replies
Emerson Ovation vs GE Mark VIe
Posted by CRSwanson on 6 December, 2016 - 7:16 pm
I am in the process of evaluating the Emerson Ovation and GE Mark VIe to replace our old ABB P13 DCS.
7
replies
Placing a Motor in an Explosion Proof / Intrinsically Safe Location
Posted by PaulKraemer1 on 6 December, 2016 - 10:17 am
What are the physical/electrical barrier requirements if I want to locate a motor in a hazardous location with its associated drive outside of the hazardous location?
2
replies
Drive PWM/Carrier Frequency Question
Posted by dirtyc on 6 December, 2016 - 9:35 am
How does the carrier frequency relate to number of pulses a PWM drive puts out?
2
replies
Proface HMI
Posted by rakesh on 6 December, 2016 - 2:20 am
Proface HMI GP 4301 TW screen blinking
2
replies
IEC61850 CID ICD Files
Posted by Alex_38 on 5 December, 2016 - 4:33 pm
Duty for CID and ICD files and their respective definitions
1
reply
Walkie Talkie Interference
Posted by wnewton1 on 5 December, 2016 - 1:45 pm
Keying microphone(s) causes computer LCD monitor to black out.
1
reply
Mark VIe I/O Pack Testing
Posted by Seeker on 5 December, 2016 - 8:54 am
How to test if the Mark VIe I/O pack is working or not
1
reply
Water Injection Pump for GE Turbine
Posted by Ayed on 5 December, 2016 - 5:57 am
Which is better? Pump with VFD or constant speed pump in water injection?
1
reply
Siemens Simoreg DC Drive Fault Message F030, F035
Posted by Mahmud on 4 December, 2016 - 4:48 am
Siemens Simoreg DC Drive Fault Message F030, F035
2
replies
3-Way Purge Valve Coking in the Purge Air Port
Posted by Aptx4869 on 3 December, 2016 - 4:44 am
3-way purge valve has coking in the purge air port and liquid passing to the can.
7
replies
Modbus Function Code
Posted by 386956599 on 2 December, 2016 - 7:27 am
Modbus function code 03 and 04 confusion
1
reply
Open/Close Test of Liquid Fuel Bypass Valve without LVDTs
Posted by Wajid29 on 1 December, 2016 - 9:34 am
How to perform open/close test liquid fuel bypass valve servo valve 65FP on GE frame 9E machine without LVDTs?
2
replies
GE Mark VI S Controller Failure
Posted by matrix2016 on 1 December, 2016 - 8:26 am
GE Mark VI controller S status offline several days after startup
5
replies
GE Frame 9E Turbine Support Leg Bulge
Posted by mechnub on 1 December, 2016 - 3:04 am
Turbine support leg center body bulge slightly when cooling water pump runs
MCC Earthing
Posted by ahdash on 30 November, 2016 - 5:57 pm
Earthing design and standards
1
reply
Used Gas Turbines
Posted by ahdash on 30 November, 2016 - 5:53 pm
What to look for when purchasing a used gas turbine?
Modicon Quantum/Word Mapping
Posted by thomasicsc on 30 November, 2016 - 5:00 pm
Trying to understand word mapping
5
replies
RS232 Over Fiber Issue
Posted by jeffworn on 30 November, 2016 - 2:06 pm
Can't establish RS232 Cisco console session using RS232 fiber converter
7
replies
Coil Overheating Issue
Posted by Kamran Ali on 30 November, 2016 - 2:00 am
We have an 220 VAC solenoid at one of our McQuay Chillers. It is used as part of its expansion valve. We have been facing overheating issues for a while.
7
replies
Evaporative Cooler On/Off Linked to IGV Angle in GE 7FA
Posted by Power13031978 on 29 November, 2016 - 2:59 pm
Reason for evaporative cooler on/off linked to IGV angle in GE 7FA?
1
reply
Ms5001 Startup Problems
Posted by Alfred MP on 28 November, 2016 - 1:25 pm
Markvie ms5001 trips at 95% speed by oscilating flame loss. Message no followed GCV reference.
1
reply
Manual Fuel Transfer on Frame 9E Gas Turbine
Posted by George Avorka on 28 November, 2016 - 12:23 pm
Why shouldn't we manually transfer fuel on the frame 9E gas turbine at loads less than 30MW?
1
reply
Setting up Profinet I/O in Siemens TIA Portal
Posted by oli268 on 28 November, 2016 - 8:32 am
Siemens PLC Controlling a Lenze servo
4
replies
Islanded Case Frame VI GT Mark V Ramp Rate
Posted by mechpramod on 28 November, 2016 - 5:22 am
Need to know load ramp rate of Frame VI GT
2
replies
Citect v7.40 SP2 - Modbus/TCP - Request Wrong Word Count
Posted by agoslinski on 28 November, 2016 - 4:08 am
Citect is sending wrong Modbus requests to my Moxa gateway. Word count is bigger than it should be - 7A HEX instead of 2.
3
replies
Mark VI Technical Maintenance
Posted by Vyacheslavovich on 27 November, 2016 - 1:34 pm
Looking for companies that contract to perform GE Speedtronic Mark VI maintenance.
WattStopper HLINKCC and Old Lighting Integrator Panels
Posted by Bl2YAN on 26 November, 2016 - 11:30 am
Interfacing with an old Wattstopper HLINKCC and LI LCPs
3
replies
Moog Servo Calibration
Posted by thegroovyguru on 25 November, 2016 - 11:53 am
What is the procedure to calibrate Moog Servos for ICV/MCV valves?
DC Link of AC Sources
Posted by Kataeb on 25 November, 2016 - 4:06 am
Several AC supplies connected to one DC bus, then use one inverter to produce a common AC supply.
3
replies
120/277V Power Connect for Hot Water Tank
Posted by Don on 24 November, 2016 - 12:02 pm
Power connect for a 50 gallon hot water tank is 120 and 277 V
1
reply
Liquid Fuel Filter Thermal Relief Valve
Posted by Aptx4869 on 24 November, 2016 - 10:13 am
Thermal Relief Valve of the liquid fuel filter is passing liquid to FSD Tank.
2
replies
Synchronizing Magelis STU Time with Modicon PLC
Posted by Garym on 24 November, 2016 - 4:01 am
Trying to synchronize Magelis STU HMI time with a Modicon PLC using codesys and vijeo designer
Thrust Balancing
Posted by aneesh on 23 November, 2016 - 6:41 pm
How is the thrust balancing on steam-turbine done?
1
reply
Step 7 Simatic Programming Examples
Posted by Lotos on 22 November, 2016 - 2:25 pm
Beginner with Step7 Simatic would like to get program examples.
1
reply
Heat Units in Regards to Steam Tables
Posted by bulldog1 on 22 November, 2016 - 2:23 pm
Heat units for water and steam
3
replies
Upgraded Steam Turbine Produces Less Output
Posted by suryavine on 22 November, 2016 - 8:31 am
After upgrading steam turbine's output is 5 to 6 mw less than other steam turbine.
1
reply
Restoring Idos to New HDD
Posted by tech_guy on 21 November, 2016 - 2:46 pm
How do I restore Idos to a New HDD?
11
replies
Driving an Analog Output Module of Phoenix Contact with Foxboro IA System
Posted by zapotek67 on 21 November, 2016 - 8:33 am
A problem writing a value to Analog output module of phoenix contact using Modbus. Control system is Foxboro IA series V8.2. Modbus module is FBM230.
Stress Calculation Stabilizing SC4 Steam Turbine
Posted by anbesivam87 on 21 November, 2016 - 2:47 am
How the stress calculated for GE steam turbine
1
reply
No Connection RS485
Posted by UserError on 20 November, 2016 - 9:59 pm
No connection to from controller rs485 to PC.
2
replies
Possibility of Gas Turbine Driving Centrifugal Compressor Running When Compressor Trips
Posted by hany5757 on 19 November, 2016 - 5:18 am
Can gas turbine that driving a centrifugal compressor run while compressor trip?
2
replies
Changing from Bar(G) Pressure tx to Bar(A) Pressure tx
Posted by chillwin on 18 November, 2016 - 12:37 pm
Why change from Bar(G) pressure tx to Bar(A) pressure tx?
1
reply
440 V/60 Hz Motor on 380 V/60 Hz
Posted by sampath on 18 November, 2016 - 3:18 am
Using a 440 V/60 Hz motor on 380 V/60 Hz?
1
reply
Compactlogix PLC with HART
Posted by imti2356 on 17 November, 2016 - 10:25 pm
Connecting a Compactlogic PLC with a 1769sc-IF4IH HART module