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Flashcards in Electrical Deck (16):
1

Networks in the electrical system

2 network left and right

2

What happens if a generator fail

Bus ties automatically connect to provide no degradation

3

Components of the AC system

2 IDG 115v
1 APU
Inverter
RAT
AC GPU

4

Components of the DC system

2 nicad batteries
28v system
3 transformers rectifiers unit (tru)
DC GPU receptacle

5

What are the IDG

Integrated driver generators
One each engine
CSD (constant speed drive) attached to it provides constant power output

6

What controls the electrical system

4 integrated Control center ICC
2 seconday power distribution assembly SPDA

7

What is the ICC
What are the 4 ICC

Collects electricity . Confirm power is safe.
Left ICC
Right ICC
Emergency ICC
Auxiliary ICC

8

What is the SPDA

Secondary Power distribution Assembly
Distributes power according to logic

9

Describe the batteries

Bat 1 located on forw. Bay
Bat 2 aft bay
10 minutes of electricity
Bat 2 is for APU start
24V

10

What is the purpose of the TRU

Convert AC to DC

11

What monitors the IDG

Dedicated Generator control unit
GCU

12

How batteries are used to start the APU

Batt 2 power the starter
Batt 1 powers the Fadec and EICAS

13

Can the pilot reset the remotes circuit breaker from the ICC and SPDA

Icc only by maintenance
SPDA via MCDU

14

What is the primary source of AC power

Respetive generator
APU
Ground cart
Opposite generator

15

Whats connected to Hot Batt bus 1

Courtesy lights
Dc ceiling lights
Engine 1 oil level ind
Engine 1A fire extinguisher
Engine 2A fire extinguisher
Hys sistem 1 SOV
Fuel shut off valve number 1

16

Whats on Hot batt bus 2

Engine 1B fire extinguisher
Engine 2 oil level
Engine 2B fire extinguisher
Engine fuel shut off valve 2
Hyd syst sov 2
Panel refuel
SMC
Water and waste system