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Details

C-17 Electrical Systems
n/a
19
Aviation
12/12/2010

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Cards

Term
What are the requirements for the external power cart?
Definition
115/200 volts AC
400 Hz(+/-12)
Term
What is the min KVA rating of a power cart?
Definition
80 KVA
aircraft will only accept 60/90 KVA
Term
What do the static inverters do?
Definition
Convert DC from the batteries to AC
Term
What type and how many aircraft batteries are there?
Definition
2, 40 ampere hour NiCad 28 VDC
Term
How long will the batteries last?
Definition
1/2 hour
Term
How long to recharge the batteries?
Definition
1 hour
Term
Where are the batteries located?
Definition
Under the stairway.
Term
What do the batteries do?
Definition
provide emergency power to the aircraft battery bus and battery direct bus
Term
What do the transformer rectifiers do?
Definition
convert AC power to DC from the APU or EPU
Term
In the split parallel configuration, what supplies power to what side?
Definition
APU supplies left side, EPU supplies right.
Term
What is the AC setup in the split parallel configuration?
Definition
left and right Gen tie bus closed
AC XTIE open
Term
What is the DC setup in a split parallel configuration?
Definition
DC tie relay closed
DC X tie open
Term
In a parallel configuration how many power sources are supplying the aircraft?
Definition
one
Term
What is the AC setup in a parallel configuration?
Definition
left and right Gen tie bus closed,
AC X tie tied
Term
What is the DC setup in a parallel configuration?
Definition
Left and right DC tie relay closed
DC X tie tied
Term
In the isolated configuration where is the aircraft getting its power?
Definition
the engines
Term
Where are most loadmaster systems located?
Definition
1 and 4 AC and DC bus
Term
How many times can you reset a circuit breaker?
Definition
once. Never reset Fuel boost Pump, E13 or stab strut CBs
Term
What components does the Batter direct Bus power?
Definition
bailout alarm, SPR components, and APU alert start