Power Dist System Components Flashcards Preview

ACOM/IFT CAT 1 > Power Dist System Components > Flashcards

Flashcards in Power Dist System Components Deck (27):
1

Power Distribution Provides

115 VAC, 400 Hz;
115 VAC, 60 Hz;
28 VAC, 400 Hz;
28 VDC

2

IDGs (8) consist of

115/200 VAC, 400 Hz, 75 KVA, air-cooled, engine-driven generator;
Constant Speed Drive (CSD)

3

Constant Speed Drive

supplies a constant output speed of 12,000 rmp to the generator

4

AVE Sync Bus Power Supplied by

generators 1,3,5

5

ME Sync Bus Power Supplied by

generators 2,4,6,7,8

6

Generator __ acts as a selectable backup or replacement.

5

7

2 Main AC buses

AVE & ME

8

APU

115/200 VAC, 400 Hz, 170 AMP, 60 KVA, air-cooled generator;
operates at 8,000 rmp;
provides 115 VAC, 400 Hz, 3 phase power

9

Master External Receptacle

1A;
supplies power to both main AC buses with SSB closed

10

External Power Receptacles 2A & 2B

provide power to ME sync bus for a full power check of the SSPA/C

11

Emergency Inverter

converts 24 VDC power to 115 VAC, 400 Hz, single-phase power for Emergency AC & DC Buses;
located in E5

12

Transformer Rectifier Unit (TRU)

converts 115/200 VAC, 400 Hz, 3 phase power into 28 VDC;
located in E5, E15, E16

13

Aircraft Batteries

starboard side, FWD lower lobe

14

Emergency Lighting Batteries

port side, FWD lower lobe

15

Bus Power Control Unit (BPCU)

incorporates a logic circuit to control all the BTBs, the APU, and the external power contactors;
located in E16

16

GCUs (8)

regulate voltage, provide fault protection and load division, incorporates a logic circuit for control of the GCB & BTB for the associated generator;
located in E15 & E16

17

ELCUs (12)

each ELCU protects a specific power circuit from current overloads;
located in E15 & E16

18

Frequency and Load Control Units (FLCU) (8)

used for frequency control and electrical load monitoring;
located in E15 & E16

19

FRAPU

provides reference frequency signal to all 8 FLCUs;
located in E15

20

60 Hz Distribution Box location

located in E15

21

60 Hz Control Panel location

located on P30

22

E905 location

C4 Cabinet

23

E42-1 location

aft side of C1 Cabinet

24

E42-2 location

port side of C1 Cabinet

25

E60-1 location

aft side of C2 Cabinet

26

E60-2 location

starboard side of C2 Cabinet

27

E903-1 location

starboard Battlestaff Console