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CL-65 Study Guide > Electrical > Flashcards

Flashcards in Electrical Deck (20):
0

Location of the main battery?

Nose compartment

1

Location of the APU battery?

Aft equipment bay

2

Max engine generator load?

40 KVA

3

Max APU generator load?

40 KVA

4

Max TRU load?

120 amps

5

Max permissible time for ground operations with battery power only? Why?

5 minutes. To prevent ED 1 and ED 2 from overheating because the cooling fans are AC powered

6

How many TRUs are installed?

4

7

Where are the TRUs located?

Nose compartment

8

The main battery is rated to?

24V/17 amp hrs

9

The APU battery is rated to?

24V/ 43 amp hrs

10

How many generators are installed?

4, 2 engine generators, the APU generator, and the ADG

11

What is the function of the 4 TRUs?

To convert 115V AC TO 28V DC

12

How are the TRUs cooled?

Individual fans

13

Which buses are powered when the battery master switch is selected on?

Main battery direct bus, APU battery direct bus, DC direct bus

14

If the main buses are powered, are the essential buses automatically powered?

Yes

15

Is there an on/off switch for the TRUs?

No, they are powered automatically when the AC buses are powered

16

What controls the DC tie contactors?

The DC Power Centers automatically control the DC tie operation

17

When will the ADG automatically deploy?

With complete loss of aircraft power

18

With the ADG deployed, what are the basic items that are powered?

AC ESS bus, hydraulic pump 3B, flaps/slats, STAB trim CH 2

19

What is the ADG Max load?

15KVA