Electrical

Question 1

AC Power

Answer 1

2 IDGs

1 APU

1 AC GPU

1 RAT
(15 KVA)

1 INVERTER
(250V)

Question 2

APU CAN POWER BOTH AC BUSES UP TO

Answer 2

FL 330

MAX ALT. FOR SINGLE PACK PRESSURE FL310

Question 3

IDG DISC

Answer 3

MECHANICALLY DISCONNECTS CSD FROM IDG

AMBER LIGHT WHEN ACCOMPANIED BY EICAS OIL MESSAGE INDICATES IDG DISC REQUIRED

Question 4

APU

Answer 4

APU SUNSTRAND APS 2300

SECONDARY AC POWER SOURCE

BATT 1 AND 2 REQUIRED FOR APU START/BATT 1 AND DC GPU REQUIRED FOR APU START

22VDC IS REQUIRED TO CONSIDER APU START

MIN BATT 2 TEMP FOR START IS -20

Question 5

NORMAL AC PRIORITY

Answer 5

ONSIDE
(IDG)

INSIDE
(APU)

OUTSIDE
(GPU)

CROSS-SIDE
(OTHER IDG)

Question 6

RAT

Answer 6

NEEDS ATLEAST 130KTS BEFORE LOAD SHEDDING OCCURS

Question 7

DC ELECTRICAL POWER

Answer 7

3 TRUS -28VDC 300A

2 24 VDC NICAD BATTS
10 MIN
1 28 VDC GPU

Question 8

TRUs

Answer 8

PRIMARY DC SOURCE

CONVERTS 115 VAC INTO 28VDC

Question 9

ELECTRICAL POWER DISTRIBUTION

Answer 9

4 ICCs COLLECT AND CONFIRM SAFE POWER THE. SENDS TO SPDAs WHICH DISTRIBUTES IT.

Question 10

DC HOT BUS 1

Answer 10

ENGINE FIRE EXTINGUISHER
(1A/2A)

FUEL SHUTOFF VALVE 1

HYDRAULIC SHUTOFF VALVE 1

ENGINE 1 OIL INDICATOR

COURTESY LIGHTS

DC CEILING LIGHTS

Question 11

DC HOT BUS 2

Answer 11

ENGINE FIRE EXTINGUISHER
(1B/2B)

FUEL SHUTOFF VALVE 2

HYDROLIC SHUTOFF VALVE 2

ENGINE 2 OIL INDICATOR

CMC

PANEL REFUEL

WATER AND WASTE SYSTEM