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CL604 > Electrical > Flashcards

Electrical Flashcards

1
Q

The primary challenger electrical system is?

A

115 volt AC

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2
Q

A constant generator speed is ensured by the?

A

CSD

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3
Q

The number of AC generators is?

A

4

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4
Q

Emergency in-flight AC power is provided by?

A

ADG

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5
Q

The CSD oil quantity is checked by?

A

Viewing a sight glass

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6
Q

On the ground, AC power can be supplied by the engines or by a?

A

APU Generator

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7
Q

If the ADG is inadvertently deployed, it can be retracted?

A

Only on the ground

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8
Q

If the GEN 1/2 OVLD CAS message illuminates:

A

Generator load has exceeded 34.5kva

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9
Q

Primary DC power is supplied by:

A

TRU

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10
Q

What is the voltage of the AC electrical system?

A

115 volt

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11
Q

What is the voltage of the DC electrical system?

A

28 volt

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12
Q

What supplies the primary source of AC electrical power?

A

Engine-Driven Integrated Drive Generators (IDG’s)

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13
Q

What is the normal rating of each generator?

A

30 kilovolt-amperes to 35,000ft (25kva to 41,000ft)

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14
Q

The engine generator is tripped off and removed from the AC buses when?

A

Over/ under voltage
Over/ under frequency
Generator and bus over current

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15
Q

What is the rating of the APU generator?

A

30kva from sea level up to the APU’s maximum operating altitude of 20,000ft

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16
Q

The aircraft AC bus system consists of how many buses?

A

5
AC BUS 1
AC BUS 2
AC ESS BUS
AC UTILITY BUS 1
AC UTILITY BUS 2

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17
Q

The bus priority logic for AC BUS 1 and AC BUS 2 is?

A

On side engine driven generator
APU Generator
Cross side engine driven generator
External AC Power

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18
Q

The flight crew can manually inhibit the automatic bus transfer priority logic by pressing what?

A

AUTOXFER (eg. electrical smoke or fire)

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19
Q

The ADG provides power to what?

A

AC ESS BUS and 3B hydraulic pump

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20
Q

How much power does the ADG provide?

A

115 volt, 400hz, 15kva

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21
Q

Automatic deployment of the ADG occurs when?

A

Both AC BUS 1 and AC BUS 2 become unpowered
The aircraft is in flight

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22
Q

Cobham operate which ADG?

A

Dry ADG
Maintains a constant speed using a counterweight system
Deploys via a solenoid in the uplock system
No airspeed limitation

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23
Q

The DC electrical system is made up of what?

A

4 x TRU’s
2 x Nicad batteries
An external DC power receptacle

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24
Q

How many buses does the DC Electrical system consist of?

A

9
DC BUS 1
DC BUS 2
DC ESS BUS
DC EMER BUS
BATT BUS
DC UTIL BUS 1
DC UTIL BUS 2
Main battery direct bus
APU Battery direct bus

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25
Q

Each TRU is rated at?

A

100amps

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26
Q

The four TRU’s are identified as:

A

TRU 1
TRU 2
ESS TRU 1
ESS TRU 2

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27
Q

TRU 1 supplies what?

A

DC Bus 1 and DC UTIL BUS 1

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28
Q

TRU 2 supples what?

A

DC Bus 2 and DC UTIL BUS 2

29
Q

ESS TRU 1 supplies what?

A

DC ESS BUS and DC BATT BUS

30
Q

ESS TRU 2 supplies what?

A

DC ESS BUS and DC BATT BUS

31
Q

If either TRU fails, both buses can be supplied by either TRU by selecting what?

A

MAIN BUS TIE switch/ light

32
Q

If both ESS TRU’s fail in flight, what will power the DC ESS BUS?

A

APU BATT DIR BUS through the solid state contactor

33
Q

The main battery is what voltage/amperage?

A

24 volt, 17 amp hour

34
Q

The APU battery is what voltage/ amperage?

A

24 volt, 43 amp hour

35
Q

How many circuit breaker panels are there?

A

5

36
Q

CBP 1 controls?

A

AC BUS 1
BC BUS 1
BATT BUS
CBP 1 LOWER = EMERGENCY

37
Q

CBP 3 contains what?

A

AC ESS BUS

38
Q

IDG’s provide what output?

A

115v, 400hz, 3 phase

39
Q

The generator is rated to what altitude?

A

30kva to 35,000, 25kva to 41,000

40
Q

APU altitude rating?

A

30kva to 20,000ft

41
Q

The generator trips when?

A

Over/ under voltage
Over/ under frequency
Generator and bus overcurrent

42
Q

Bus priority logic?

A

Onside IDG
APU
Cross side IDG
External power

43
Q

ADG provides what power output?

A

115 volt, 400hz, 15kva

44
Q

The ADG powers what?

A

AC ESS BUS and 3B hydraulic pump

45
Q

Each TRU provides?

A

100amps

46
Q

Main battery?

A

24volt, 17amp/hr

47
Q

APU battery?

A

24 volt, 43amp/hr

48
Q

DC system is capable of charging batteries between what percentages?

A

30-100%

49
Q

Ignition A is powered by

A

AC ESS BUS

50
Q

Ignition B is powered by

A

DC BATT BUS

51
Q

START is powered by

A

DC BATT BUS

52
Q

Thrust reverser powered by

A

DC ESS BUS

53
Q

L Oil pressure powered by

A

DC BATT BUS

54
Q

R Oil pressure powered by

A

DC ESS BUS

55
Q

PIlot’s PFD/MFD powered by

A

DC ESS BUS

56
Q

Copilots PFD/MFD powered by

A

DC BUS 2

57
Q

ADC 1 powered by

A

DC ESS BUS

58
Q

ADC 2 powered by

A

DC BUS 2

59
Q

IRS 1 powered by

A

DC BATT BUS AND AC ESS BUS

60
Q

IRS 2 powered by

A

DC ESS BUS AND AC BUS 2

61
Q

ATC 1 is powered by

A

DC ESS BUS

62
Q

ATC 2 is powered by

A

DC BUS 2

63
Q

FMS 1 powered by

A

DC BUS 1

64
Q

FMS 2 powered by

A

DC BUS 2

65
Q

GPS 1 powered by

A

DC BUS 1

66
Q

GPS 2 powered by

A

DC BUS 2

67
Q

Weather radar powered by

A

DC BUS 1

68
Q

TCAS powered by

A

AC ESS BUS

CL604 (10 decks)

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