SYSTEM AND COMPONENTS

Question 1

What does each IDG consist of?

Answer 1

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

Question 2

How many IDG’s are on the E6?

Answer 2

8 (Two per engine)

Question 3

The Constant Speed Drive supplies a constant out speed of _______ rpm to the generator

Answer 3

12,000 rpm

Question 4

Each IDG supplies _____________ power to the two main AC buses..

Answer 4

115 VAC, 400 Hz three phase

Question 5

Which generators power the AVE Sync bus (with the SSB open)?

Answer 5

1,3,5

Question 6

Which generators power the ME Sync bus (with the SSB open)?

Answer 6

2,4,6,7 and 8

Question 7

Which generator acts as a selectable backup or replacement?

Answer 7

Generator 5

Question 8

Which Sync bus powers VLF transmission with the SSB open?

Answer 8

ME Sync Bus

Question 9

Where are the AVE and ME sync Bus located?

Answer 9

E15 and E16 equipment rack

Question 10

The APU is a 115/200 VAC, 400 Hz, 170 AMP, 60 KVA air-cooled generator and operates at ________rpm

Answer 10

8,000 rpm

Question 11

Where are power receptacles 1A and 1B located?

Answer 11

Fwd of the aircrafts left wing area on the external fuselage.

Question 12

What external power receptacle is considered the “master” receptacle?

Answer 12

1A

Question 13

With the SSB OPEN, receptacle 1A powers the ____bus and 1B powers the ____ bus

Answer 13

AVE, ME

Question 14

The ___________ is a highly stable, transistor oscillator driving a transistor amplifier for emergency AC power.

Answer 14

Emergency Inverter

Question 15

The Emergency Inverter converts ___ power to ____ single phase power for the Emergency AC and DC Buses when no other source of AC power is available and provides up to _____ to certain AC loads

Answer 15

24 VDC to 115VAC, 400 Hz/ 500 Volt-Ampere

Question 16

How many Transformer Rectifier Units are there?

Answer 16

7 TRU’s

Question 17

The TRU AVE’s are in the _______rack.
TRU External Power is in the ______rack
TRU MA No.1 and TRU MA No. 5 are in the ________rack

Answer 17

E5 Equipment
E15 Equipment
E16 Equipment

Question 18

A TRU converts _____ power into _____power for systems that require DC power

Answer 18

115/200 VAC, 400 Hz three phase into 28 VDC

Question 19

The charger for the Aircraft Battery is located on the _____ and the Emergency Lighting Batter Charger is located on the ______

Answer 19

E5 Equipment rack and E15 Equipment rack

Question 20

What racks provide mounting for the various Mission Communication System Power Distribution System components?

Answer 20

E15 and E16

Question 21

The BPCU (Bus Power Control Unit incorporates a ______ ________ to control all the BTBs, the APU and the external power contactors and is locate on in the _______ rack

Answer 21

logic circuit/ E16 equipement

Question 22

How many Generator Control Units (GCU) are on the aircraft and where are they located?

Answer 22

8, one per generator. Located in the E15 and E16 racks

Question 23

This control unit regulates voltage and provides fault protection and load division…

Answer 23

GCU

Question 24

There are _____ Electrical Load Control Units (ELCU) and control power to the various _______ systems, _______systems, and _______systems equipment.

Answer 24

12

Environmental, Hydraulic, and VLF mission

Question 25

What is the purpose of the ELCU and where are they located?

Answer 25

To protect a specific power circuit from current overload and are located on the E15 and E16 racks.