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The originator did not tell us what fuel the unit is burning, nor when the unit normally loses flame during shutdown. MIKEVI is also very correct in his line of questioning that we should always begin with: What has changed? New fuel nozzles? Recent Speedtronic calibration? Recently replaced...

The answers to all these questions are in the sequencing or application code for any GE-design heavy duty gas turbine. By following the signals through the sequencing, and applying some knowledge of relay ladder-style documentation, one should easily be able to determine how each of these...

I'm going to try to find contact info for a Customer representative at the site in this press release: http://www2.emersonprocess.com/en-US/news/pr/pages/907-Fellside.aspx This job was supposed to be complete in November, 2009. Ask about the turbine control retrofits as well as the total...

I did not understand you to say that any trips (emergency shutdowns) had occurred. I was trying to tell you that any event or condition that results in an automatic shutdown (unloading, breaker opening, and fired shutdown) is supposed to have a Process Alarm message associated with it. I was...

Rajkumar, MODBUS communications between Mark VIe and Honeywell TDC3000 <b>HAS</b> been done before, but not in the fashion you have described in a previous thread. You can look at the Mark VIe Speedtronic System Guide, GEH-6721, for some information about MODBUS possibilities. But you...

I have a question (well, several, actually). We are not omniscient and we can't know what fuel you were burning, what speed the unit "stalled" at, what kind of troubleshooting you did, what the fuel control valve(s) were doing (what position(s) they were at), what Process- and/or Diagnostic...

I don't have a PC that can be configured as a GE Mark V HMI, so I don't have the TCI Control Panel Applet. I do know that the TCI applet has a tab for ISA ARCnet cards, even if there is no ISA ARCnet card, so the ISA ARCnet card must be disabled in the TCI applet. If there are any fields that...

GE has changed the way they implement MODBUS communications so many times in the last few years it makes one head swim (meaning that it's very confusing and makes one feel light-headed and the brain is muddled). So, it seems that GE is trying to implement MODBUS via the HMI. It has been...

This shows the value in using an application like Acronis True Image to make back-ups of hard disk for use in recovery situations. From a previous post to this thread: > The StageLink ID of GE Mark V HMI cards is set > using the ARCnet tab of the TCI Control Panel > applet on the HMI...

Sir, Doubt implies that you disbelieve something you have been told or witnessed or read. What has given you doubt? I am glad to help answer questions, but doubts are not my thing. Does your turbine have a DLN combustion system or a conventional combustion system? Have you looked at the...

I'm not familiar with the control systems on Solar units (I think they're called 'Turbotronic'?) or how they work, but, if you know (and it seems you do) that the fuel has a lower energy content than previously, then you should know that it's going to take slightly more fuel flow to achieve the...

[Speedotronic? That's cute! I needed a good belly-laugh this morning; thanks!] The GE "standard" is that any condition that results in a shutdown is supposed to have a Process Alarm that notifies the operator why a shutdown has been initiated. What Process Alarms are being annunciated when...

You didn't get the point at all. You didn't provide very much in the way of useful information for us to be able to provide much in the way of useful help. And, you've continued the pattern. So, we're going to play '20 Questions'. You said you've checked everything, but what did you check...

When did this problem start? Is the generator air-cooled or hydrogen-cooled? When the gas turbine is running, the generator bearing end-shield granular side L.O. deflectors (item 3425 on the Generator Package Wiring drawing, Sh. 43) must be compromised by the electromagnetic radiation...

Rajkumar, Is this communication something you are trying to implement without GE's help, or the without the help supplier of the Mark VIe if it wasn't GE directly? Where is the Ethernet connection of your converter plugging into the "Mark VIe"? To a VLAN switch? To a PDH port or a UDH port...

Good question. Increasingly, in many parts of the world, grid regulators are requiring that generators and their prime movers (in your case, the gas turbine) be automatically synchronized to the grid these days. The reasoning is that it's done (more or less) at a controlled rate, that the amount...

<b>Moderator's note:</b> original post corrected, but leaving this in. I made another mistake in proofreading.... The fourth paragraph in my previous post to this thread reads: >If normally closed contacts were used >to start a critical motor, and the relay >had to be energized...

Maint, <p>TTWS1FOn - Turbine Temperature, Wheelspace - First Stage Forward, Outer T/C #n TTWS1A0n - Turbine Temperature, Wheelspace - First Stage Aft, Outer T/C #n TTWS2FOn - Turbine Temperature, Wheelspace - Second Stage Forward, Outer T/C #n TTWS2AOn - Turbine Temperature, Wheelspace -...

I'm pretty confused here. The original thread was about Mark VI. This latest post seems to be about Mark V. I think in either system, GSM must be enabled on the operator interface (HMI) via a line in CONFIG.DAT in the 'Options' section: <pre> <p> GSM = YES</p> </pre> I'm presuming...

To provide any further assistance requires answers to all of the questions below. You have made several statements that require data. First, you say the unit is tripping on IGV fault during start-up. Precisely which process alarm is being annunciated when the trip is occurring? If the trip...