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Hi, In our plant one of our frame V gas turbines tripped on High Vibrations. The rpm at which it tripped at first was 3500 and during last trip it has tripped at 4600 rpm against 5120 rpm. Vibrations of first two bearings, i.e. one after accessory gear and the one after turbine rose to trip value. All other parameters including exhaust temperatures, FSR, IGV, Lube oil Temperature, pressure were perfectly normal.
I) What could be the reason of its tripping?
II) How many successive starts and stops are allowed in frame V turbine?
Uday Rajhansa
I) What could be the reason of its tripping?
II) How many successive starts and stops are allowed in frame V turbine?
Uday Rajhansa