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sb, The question: >>Does the plant operate sometimes in parallel with the grid, and >>other times independently of the grid? Your answer: >the plant operates on Island mode always. The snippet below is from the original post of this thread: >GT#1 is not able to attain 100%...

gpk, What are the card numbers of the cards being removed, as well as the card numbers of the new cards being used to replace them? CARD_ID is NOT really a card identifier--it's a PROMset identifier. If you moved PROMs from the cards being replaced to the cards being installed then the...

gpk, Your post is unclear. What are the full part numbers of the SLCC and the SDCC cards (usually something like DS200SDCCGn or DS200SLCCGn)? Every SLCC/SDCC isn't compatible with every Mark V. There are basically four versions of Mark V: A; Hybrid A; Hybrid B; B. There were different...

JunLiurman, Droop speed control defines how much load the unit will change for a given change in the error between the prime mover speed reference and it's actual speed. A machine with 4% Droop will change it's load by approximately 25% of prime mover rating for each 1% change in speed error...

SB, Hmmm.... I've re-read the entire thread, a couple of times, and I'm not really sure about a lot of things. Does the plant operate sometimes in parallel with the grid, and other times independently of the grid? Was the machine operating in Isoch speed control when the GE TA was on...

ahaanwar2, You really haven't provided very much information (about "the problem"; whether the turbine is running or not; the type of Mark VIe (TMR; DUAL Redundant; SIMPLEX; etc.), so I'll just answer the basic question with a basic answer. Use the power switch for <R>'s processor (located...

Actually, the file which assigns <C> mA outputs is MAOUT_<b>Q</b>.SRC. Sorry for any confusion.

has100, Machines, a programmable automation controller--the Mark V in this case, are very literal devices. In the case of the Mark V, to use the same signal name for both an input and an output one would have to make those assignments in IO.ASG and I believe the compiler would generate an...

Kingrosekhan1123, Speedtronic turbine control systems are purpose-built control systems. As such, they don't have 'interface modules.' The I/O (inputs and outputs) terminate directly to the turbine control system (sometimes by way of marshaling cabinets which are just intermediate terminal...

Unless the gas turbine control systems use MBC (Model-Based Control) or some unusual application code, the change in air density will affect mass-flow through the machine, and since gas turbines are mass flow machines the output will be affected. Typically, the turbine control system does not...

has100, The Control Sequence Editor is not capable of displaying all Big Block internals for the various types of Big Blocks (algorithmic; sequencing; primitive). This is described in the manuals for the Mark V (Maintenance Manual, GEH-5980; Application Manual, GEH-6195). The Control...

samrannaveed, For the answer specific to your site it would be necessary to be able to see the program/application code running in the Speedtronic at your site. In general, in years past, the exhaust frame blowers were redundant, so it would be possible to run without one of them. And, if...

benjie, You didn't say what machine you are working on.... What Process Alarm is annunciated when the jaw clutch disengages? Are you certain the jaw clutch disengages and then the cranking motor breaker opens? For a jaw clutch to open, no torque must be transmitted. So, that's one...

DCote, Your best bet for complete and detailed information is going to be through the 7F Users' Group or CTOTF (Combustion Turbine Operations and Technical Forum). If you're not already registered with either of them, register and there's a wealth of information available there on just this...

JD, There are so many differences between the Mark V and the Mark VI it's MUCH easier to cite the similarities. But, it would be difficult to find a Mark VI (new) toady; GE is no longer selling them. They're latest product is the Mark VIe, which is also very different from either the Mark...

has100, 2) For two machines to run in Isochronous mode would require both machines to have Isochronous Load Sharing, and that's just a de-tuned version of Isochronous speed control mode which requires some analog signals to be shared between the two Isochronous machines. It's not a great way...

hmd, You must have a GE Mark IV HMI, or a GE Mark V HMI? The "Data Dump" of the Mark IV is a pre-configured list of points which cannot be changed. Very early Mark IV panels did not have the capability to enable a "Data Dump" in the field; later Mark IVs did have this capability. If...

First, to ensure the liquid fuel control valve is not trying to admit fuel flow to the turbine prior to starting, and second, to ensure there is no fuel flowing to the turbine prior to starting.

william.chong, What fuel is being burned in the turbine? Does the turbine have DLN or conventional combustors? What Process Alarms are active when the unit is experiencing this problem (list all of the Process Alarms, please)? Usually, the generator is not the limiting factor when it...

faizon aslam, Every manufacturer has their own philosophy--and sometimes different engineering groups in the same manufacturer have their own philosophies, as well. Can you be more specific about what you are referring to--is it scavenging/air removal? Do you have operational experience...