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Dear ALL,
In our frame-6 GE gas turbine controlled by TMR Mark-V Control system, we got a trip signal on "HIGH EXHAUST TEMPERATURE SPREAD TRIP" Drop # 160.
We have 18 thermocouples. I do not know why this trip although the difference between higher and 3 lowest exhaust temp. is not exceeding 25C. we have 2 TC with up normal reading from long time (-83C) which I think should not enter into calculation and should be excluded by the system.
If now we have these 2 TCs NOs 4 & 18 reading is -83. Do this value exclude from calculations or not and what are the maximum numbers of TCs that can be excluded??
How I can calculate TTXSPL value???
I appreciate if someone can explain and help me in this subject.
Thanks in advance.....
In our frame-6 GE gas turbine controlled by TMR Mark-V Control system, we got a trip signal on "HIGH EXHAUST TEMPERATURE SPREAD TRIP" Drop # 160.
We have 18 thermocouples. I do not know why this trip although the difference between higher and 3 lowest exhaust temp. is not exceeding 25C. we have 2 TC with up normal reading from long time (-83C) which I think should not enter into calculation and should be excluded by the system.
If now we have these 2 TCs NOs 4 & 18 reading is -83. Do this value exclude from calculations or not and what are the maximum numbers of TCs that can be excluded??
How I can calculate TTXSPL value???
I appreciate if someone can explain and help me in this subject.
Thanks in advance.....