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ERO > GTG > Flashcards

GTG Flashcards

1
Q

What does EXCOP stand for?

A

Excitation Control Panel

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2
Q

What does LOCOP stand for?

A

Local Operation Control Panel

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3
Q

What does FADAC stand for?

A

Full Authority Digital Control

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4
Q

What is the output of the GTG?

A 
3000 kw
4800 amps
450 VAC
60Hz
3 Phase(A,B,C)
.8 power factor(80% efficiency)
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5
Q

What is the high Module Temp set at?

A

250 degrees

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6
Q

What are the Run Overtemp Alarm/Shutdown set points?

A

CTIT 2175 degrees

CTIT 2250 degrees

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7
Q

What is the under speed shutdown set at?

A

Speed falls below 12,225rpm after being above that speed for at least 3 sec

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8
Q

What is the F/O pressure low shutdown set at?

A

<150psig

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9
Q

What is the L/O Pressure low Alarm and shutdown set at?

A

GEN:15psig(alarm) 10psig(shutdown)
Gearbox: 15psig(Alarm) 10psig(shutdown)
Engine: 40psig(alarm) 20psig(shutdown)

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10
Q

What is the overspeed shutdown set at?

A

15,800rpm

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11
Q

What is the High VIB’s alarm set at?

A

3 mils for 3 sec

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12
Q

What are the set points for K34 Slow start shutdown?

A

Failure to reach 2200rpm in 30sec after start is initiated
Failure to reach 9100rpm in 60sec after start is initiated
Failure to maintain acceleration of 40rpm/sec for 3 consecutive seconds between 2200-12,225rpm

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13
Q

What is the set point for the K34 Start Overtemp Shutdown?

A

1600-1725 degrees

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14
Q

What is the set point for the K34Fail to Fire Shutdown?

A

<600 degrees 10 sec after engine speed passes through 2200rpm

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15
Q

What is the sequence for the motor duty cycle?

A

2min on, 2 min off, 2min on, 2min off, 2 min on, 30min off

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16
Q

What is the max time for the RIMSS Engine Duty Cycle?

A

Max RIMSS Engine motor duration is 25sec

17
Q

What is the purpose of the 5th and 10th stage compressors?

A

Helps with start and prevents stall during start up

ERO (9 decks)

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