Electric Power Flashcards
1
Q
Reset of Circuit Breakers
A
A circuit breaker may NOT be reset MORE THAN ONCE !!!
2
Q
AC Generators
Voltage
A
115 VAC
3
Q
AC Generators
Frequency
A
400 Hz
4
Q
IDG RPM
A
12.000 RPM
5
Q
AUTO disc at which condition ?
A
OVERTEMP & OVERTORQUE condition
Only reengaged manually on the ground (after engine shutdown)
6
Q
AC System Load Limitations (kVA)
Altitude ?
Main Gen (each) ?
APU Gen ?
A
0 - 41.000 ft
40 KVA (each)
40 KVA
7
Q
GEN OVLD MSG
above what Voltage?
A
> 40 KVA
8
Q
DC System Voltage
A
28 V DC
9
Q
Min Volts for APU Battery Start
A
22 V DC
10
Q
Min Volts for Engine Start
A
24 V DC
11
Q
Ground DC power only limit (min) ?
A
5 Min
12
Q
TRU load limit
A
120 A
13
Q
Main Battery Voltage / Capacity
A
24 V DC / 17 Ah
14
Q
APU Battery Voltage / Capacity
A
24 V DC / 43 Ah
15
Q
Main & APU Batt. Voltage normal
range
A
18 - 32 V DC
