Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Module 11 Richard > 11.6 Electrical Power > Flashcards

11.6 Electrical Power Flashcards

1
Q

How many kilowatts would a train engine aircraft need for flight

A

100kw

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is used to convert AC to DC

A

TRU

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is used to convert DC to AC

A

Static inverter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How much energy can a static inverter produce

A

2.5 KW

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What power is provided by AC

A

115v 400 hertz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What % of total energy is needed by AC

A

95%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What voltage does a 24v DC battery provide

A

28v

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is VFG

A

Variable Frequency Generator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What 3 parts are power divided into

A

Main power - All consumers

Essential - Consumers to fly aircraft safely

Emergency - Consumers to land aircraft safely

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the purpose of a bus

A

Connect power to all electrical consumers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does load shedding do

A

Improves reliability of power relays and prevents overload of power source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is a GCU

A

Generator Control Unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How long does the battery provide sufficient power

A

30 mins 24v

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When is an additional emergency generator needed

A

Extended range operation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the main task of a fuse circuit breaker

A

Prevent overheat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What do most aircraft generators need an input speed of

A

12,000 RPM

17
Q

What frequency does the engine drive the generator between (idle and take off power)

A

280-560 hertz

18
Q

What does a constant speed generator do

A

Keeps a constant frequency of 400 hertz, adds or subtracts speed from the engine

19
Q

What is used in a constant speed drive to add or subtract speed

A

A differential gear

20
Q

What can CSDs also be called

A

Axial differential gear

21
Q

How does the CSD add additional speed

A

Hydraulic motor

22
Q

How often should battery checks be carried out

A

Every 2000 operating hours

Module 11 Richard (19 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions