ART256 – FT8 Windmilling vacuum pump fail alarm
Article Ref – ART256 This video looks at the logic behind the alarm “WINDMILLING VAC PUMP FAIL” It explains the logic controlling the alarm and what you can do to get rid of this alarm.
Category: FT8 Control System
ART248 – HistoryView – Vern van Leuven
ARTICLE REF – ART248 This is a software review of the HistoryView software from Vern van Leuven. https://vimeo.com/1049406492?share=copy
ART246 – FT8 – How to locate “Tunables Tags” in Control Assistant
Article Reference – ART246 FT8 instruments don’t have “Zero” and “Span” calibration adjustments, therefore the adjustment is done in the control software called “GAP”. This article is going to describe how to locate the adjustment addresses called “TUNABLES”, so that you can calibrate the control signal. The FT8 Electrical Schematic … Continue Reading →
ART245 – FT8 Battery charger ground faults
ARTICLE REF – ART245 This is the front panel of a Hindle Power AT30 battery charger, used for 24 and 125 VDC batteries. It is common to have a positive or negative ground alarm, indicating that some wiring is touching ground in one of the distribution circuits. These can be … Continue Reading →
ART239 – FT8 Flyback Diodes
ARTICLE REF – ART239 This video is going to discuss the use of Flyback Diodes, why they are important, and how to test them. Note that these are used on Solar Turbines as well as Pratt & Whitney FT8. Subtitles available in English – Spanish – Turkish. https://vimeo.com/949327423
ART238 – FT8 Communicate with DVP driver
ARTICLE REF – ART238 The DVP driver was introduced to the FT8 mainly due to issues the old Em driver which was having with the Gas Valve. When a unit shut down, the power was not automatically removed from the driver. The driver constantly sends signals to the gas fuel … Continue Reading →
ART076 – FT8 – Controls Training – Startup data.
FT8 Training – Analnog startup data. Continue Reading →
ART075 – FT8 – Lube oil logic & alarms
FT8 Controls Training – Lube oil logic & alarms. Continue Reading →
ART074 – FT8 – GAP Logic blocks
FT8 controls training – GAP logic blocks. Continue Reading →
ART073 – FT8 – Speed channels
FT8 Controls Training – Speed channels. Continue Reading →
ART072 – FT8 – Electrical Schematic Drawings
FT8 Controls Training – Getting the most out of your Electrical Schematic Drawings. Continue Reading →
ART063 – FT8 – Turbine Cooling Air – TE076
This article will explain what causes the drive back due to TE076. Continue Reading →
ART062 – FT8 – SEL-551 – MCC feed overcurrent protection
FT8 – SEL 551 – This article discusses the MCC feed overcurrent protection using SEL 551. Continue Reading →
ART057 – General – Smart monitoring & diagnostics
Smart monitoring & diagnostics – this will step up your troubleshooting game. Continue Reading →
ART054 – FT8 – Control Assistant – Trending
FT8 Control Assistant – this article will give a practical overview of this software from Woodward as used for data gathering and displaying. Continue Reading →
ART052 – FT8 – Pressure transmitter calibration
FT8 – Calibrate pressure transmitter. This article describes the process for calibrating a pressure transmitter. Continue Reading →
ART051 – FT8 – Alternative method of finding the MODBUS address
Alternative method of finding the MODBUS address on FT8 Continue Reading →
ART050 – FT8 – Input Output List
FT8 Input Output – this article explains the importance of this list and how to use it to make navigating the logic and drawings easier. Continue Reading →
ART046 – FT8 – Vibration system calibration verification
FT8 – Bently Nevada 3500 System Verification and test. Continue Reading →
ART044 – FT8 – PTTB Troubleshooting
FT8 PTTB – This article explains how to troubleshoot the Power Turbine Thrust Balance. Continue Reading →
ART043 – FT8 – Troubleshoot a discrete output
FT8 – Troubleshoot a discrete output. This is written for anyone wanting to learn how drawings etc are used for troubleshooting on the FT8. Continue Reading →
ART015 – FT8 – Hydraulic System – Troubleshoot IGV / VSV
FT8 – Turbine – IGV / VSV. This is a very useful troubleshooting tip that gives you the heads-up on pending IGV / VSV issues. Continue Reading →
ART012 – FT8 – Hydraulic System – IGV / VSV startup data
FT8 – Hydraulic System – IGV / VSV startup data. This is very useful data for reference when you have issues. Also a very good useful tool to check the if the current position of the IGV / VSV. Continue Reading →
ART005 – FT8 – Stroking gas fuel valve FCV1101
ARTICLE REF – ART005 During commissioning of the fuel gas system the gas valves were stroked from the ICE calibration screen and found that each one stopped at 90% with a “valve failure” annunciated when the command signal reached 97%. It was expected that the valve would move the complete … Continue Reading →
ART004 – FT8 – Gas fuel valve driver fault
ARTICLE REF – ART004 Some time ago there was an issue on a site where an operator got an alarm “Gas Fuel Valve”. The alarm would not reset by software resetting from the ICE display and it was decided to change the gas fuel valve. The control system was powered … Continue Reading →
ART002 – FT8 – EGT – Issue with new thermocouple
FT8 – Issue with the new design thermocouple. Continue Reading →
ART235 – FT8 Backup overspeed TACHPAK 30 – Caution
ARTICLE REF – ART235 This is the older version backup overspeed monitor which is still in service but no longer being used in new production. It has been replaced by the TACHPAK 30 which is a two channel overspeed monitor. The TACHPAK 3 has a single channel and monitors either … Continue Reading →
ART228 – FT8 Lube System – Control & Alarms
FT8 Lube Oil System – Control & Alarms – Part 2. This article looks at the oil tank instruments and control of same. Continue Reading →
ART214 – FT8 Control System Training
Article Ref ART214 FT8 Control System Training Part 1 – Saving tunables Part 2 – IGV & VSV Calibration Part 3 – Hydraulic Starter Spin Logic https://vimeo.com/860928403?share=copy
ART201 – Corrected Speed
Training video explaining the use of Corrected Speed as used in turbine control systems. Continue Reading →
ART178 – FT8 – Vibration Trip Multiply
This article has important reference information on vibration trip multiply on the FT8. Continue Reading →
ART158 – FT8 – MCC Generator Heater Bucket
This article cross references the items found on the Electrical Schematic Drawing with the actual bucket items. Continue Reading →
ART157 – FT8 – Thermal overload – MOP601 & MOP603
This article will discuss an known issue with the PT pump thermal overload. Continue Reading →
ART156 – FT8 – Loss of flame detection
This article will give a brief introduction to PBDot and NHDot. Continue Reading →
ART155 – FT8 – Run with one turbine removed
This article will tell you what you need to change to run one side of an FT8 SWIFTPAC with the other side removed. Continue Reading →
ART144 – FT8 – Datalogs – The Basics
This article describes how to use Datalogs on the FT8. Continue Reading →
ART143 – FT8 – Recording and retrieving data
FT8 – Record and retrieve data. There are so many options to record data on the FT8. This article discusses your options. Continue Reading →
ART142 – FT8 – Drain & vent solenoid valves
FT8 – Vent & Drain solenoid valves. This article looks at the history of this solenoid and the various issues you may come across. Continue Reading →
ART141 – Solar – T70 engine change k-values
Solar – T70 engine change k-values. This article give information on the k-values you need to change when exchanging a T70. Continue Reading →
ART134 – FT8 – Process analyst tips
FT8 – Process analyst tips. Continue Reading →
ART132 – FT8 – Water Injection – Controller at limits – B
FT8 – Water Injection at limits – this is another example of this alarm Continue Reading →
ART127 – FT8 – Hard light-off
FT8 – Hard light-off. This article deals with a fuel safety issue and concerns operators with heavy light-off issues. Continue Reading →
ART116 – FT8 – Performance – TE3301
FT8 Performance – this article explains the relationship between generator cooling air temperature and turbine performance. Continue Reading →
ART108 – FT8 – Thermocouple loop calibration
FT8 – EGT Calibration – This article discusses the Woodward calibration procedure. Continue Reading →
ART095 – FT8 – Water Injection – Logic change
FT8 – Water injection. This article describes a change to the logic to improve PBDot issues. Continue Reading →
ART131 – FT8 – Water Injection – Not entering service
FT8 – Water injection issue. The turbine control was very unstable while trying to enter water injection. Continue Reading →
ART091 – FT8 – Water Injection – LSL801
FT8 – Water Injection – LSL801. This article describes how this instrument works and how to test it. Continue Reading →
ART090 – FT8 – Water Injection – PBDot Issue
FT8 – Water Injection Issue – This article deals with one of the issues common to the FT8. Continue Reading →
ART087 – FT8 – GAP Logic for PT612
FT8 – Training Presentation. This will get you used to understanding the logic blocks used in the FT8 logic. Continue Reading →
ART086 – FT8 – Saving tunables
FT8 – Controls Training – Salving tunables. Continue Reading →