Electrical Flashcards

1
Q

Max generator output in flight?

A

400

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2
Q

Max generator output in flight transient (5 seconds)?

A

800

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3
Q

Max Generator output on ground?

A

300

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4
Q

What batteries are on the aircraft?

A

24V
36Ah
NiCad

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5
Q

Battery WARM CAS temp?

A

48.9C

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6
Q

Battery HOT CAS temp?

A

71.1C

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7
Q

Standby gyro battery life?

A

160 minutes

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8
Q

Normal battery life with a dual generator failure?

A

77 minutes

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9
Q

Emergency lights battery life?

A

10 minutes

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10
Q

Each MAU has ___ power supplies.

A

TWO

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11
Q

If RH engine fails, ESS and MEDIAN Busses are?

A

Untied

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12
Q

If RH engine fails, ESS and MEDIAN busses are untied.

What powers LH, RH, and Median Busses?

A

LH Bus: GEN 1
MEDIAN Bus: BATT 2
RH Bus: BATT 2

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13
Q

Max Generator output with one gen inop?

A

400

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14
Q

External power cart limit?

A

28V
1000 Amp

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15
Q

The CVR is powered by?

A

Essential Bus

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16
Q

What trips the Generator Control Unit?

A

Overvolt or Overamp

17
Q

If LH engine fails, ESS and MEDIAN Busses are?

A

Untied

18
Q

If LH engine fails, ESS and MEDIAN busses are untied.

What powers LH, RH, and Median Busses?

A

LH: Battery
RH: GEN2
Median: GEN 2

19
Q

The MINI LOAD MASTER button powers what bus?

A

Essential Bus

20
Q

With all generator failed, what should you do?

A

Pull all ORANGE Circuit Breakers

21
Q

Which battery powers the APU start?

A

BATT 1

22
Q

With a dual generator failure which DU’s remain operative? What’s powering them?

A

LH DU and Middle Upper DU.

Powered by the Essential Bus.

23
Q

Which bus powers the CVR?

A

Essential Bus

24
Q

What busses power the electrical system?

A

Left
Essential
Median
Right
Hot Battery

25
Q

Minimum voltage to start APU?

A

22V

26
Q

Which bus is the APU start contactor on?

A

Hot Battery

27
Q
A