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FCOM 2 Systems > Electrical, page 07-10-1 > Flashcards

Electrical, page 07-10-1 Flashcards

1
Q

Primary electrical us on the CL650 is AC or DC

A

115 volts AC

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2
Q

How many sources of AC power

A

2 engine driven AC generators, I APU driven AC gen, ADG, and an AC cart

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3
Q

Were is the AC receptacle

A

Right side of the forward fuselage (right nose section)

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4
Q

What is the primary source of DC power

A

4 Transformer Rectifier Units (TRU)

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5
Q

Were are the TRU’s located

A

Nose compartment

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6
Q

How many batteries for provide DC power

A

2

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7
Q

Were are the DC batteries located

A

Main battery in the nose and APU battery in the aft equipment bay

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8
Q

Were is the DC electrical receptacle

A

Rear fuselage below the right engine

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9
Q

How many circuit breaker panels are there

A
  1. Four on the flight dick, one in the aft equipment bay and forward avionics bay
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10
Q

How many AC buses are there

A

6

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11
Q

Name the AC buses

A

AC Ess
AC utility 1/2
AC bus 1/2
ADG bus

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12
Q

Each AC gen is protected by a GCU. When will they trip

A

Over/under voltage
Over/under frequency
Over current

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13
Q

What does the AVAIL annuciator mean on the APU EXT POWER switch/light mean

A

That an AC GPU is connceted, with proper voltage, frequency and phase

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14
Q

What bus supplies power to equipment essential for flight

A

The AC ESS Bus

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15
Q

What buss normally powers the AC ESS Bus

A

AC Bus 1

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16
Q

Can the AC ESS Bus be powered by other sources

A

Yes, AC Buss 2 and the ADG

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17
Q

What do the AC Utility Buses power

A

Nonessential cabin equipment

18
Q

Were do the AC Utility Buses receive their power source

A

From their respective AC Bus

19
Q

What indication is there if a Utility Bus has be load shed

A

On the overhead panel, the AC UTILITY switch/light and the AC synoptic page SHED next to the respective Bus

20
Q

The ADG provides power to what

A

The AC ESS Bus and 3B hydraulic pump

21
Q

During Pre-flight of the ADG unit what does the lamp test do

A

Test the lamp

22
Q

During testing of the ADG Unit what must be operational

A

Both AC Gen must be operating and both AC Bus 1/2 must be powered

23
Q

On the ADG Control Panel what does the PWR TXFR Override button do

A

If AC power is restored by one of the Gens or APU this reestablishes normal AC distribution

24
Q

What produces DC power

A

Transformer-rectifier units (TRUs)

25
Q

How many TRUs

A

4

26
Q

Name the TRUs

A

TRU 1, TRU 2, ESS TRU 1, ESS TRU 2

27
Q

What powers TRU 1

A

AC Bus 1

28
Q

What Buses are powered by what TRU

A

TRU1…DC Bus 1, TRU2… DC Bus 2, ESS TRU2… DC ESS Bus, ESS TRU 1…DC ESS Bus

29
Q

What is the rating of each TRU

A

100 amps cont

30
Q

If either TRU1 or TRU2 fail can their Buses be powered

A

Yes, by pressing the MAIN BUS TIE switch light on the over head panel closing the Bus TIE between the Buses.

31
Q

What happens to the Utility Buses when the MAIN BUS TIE is closed

A

The Utility buses are shed to reduce electrical load

32
Q

Can the UTIL buses be disconnected manually

A

Yes, by pressing the AC/DC UTILITY switch/light

33
Q

What does the DC ESS BUS power

A

Equipment essential for safe flight

34
Q

What are the sources of DC power to the DC ESS BUS

A

ESS TRU 1/2 or APU BAT DIR BUS

35
Q

If the ADG is operating what TRU does it power

A

ESS TRU 1

36
Q

Can the DC ESS BUS be powered by the APU or Main Batteries

A

Yes, through the Emergency DC transfer contact

37
Q

What does the BAT MASTER switch do when turned on

A

Controls the APU and MAIN BATT contacts to supply electrical power to the BATT BUS

38
Q

Why is the BATT BUS important

A

Powers essential equipment for flight

39
Q

What normally powers the BATT BUS

A

ESS TRU 1/2

40
Q

If using DC external power source how do you know it is connected

A

Over head electrical panel light is on (IN USE) and on the synoptic page EXT DC appears

FCOM 2 Systems (9 decks)

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