Electrical System Limits

Question 1

CTR Bus

Answer 1

> 23.0V

Question 2

Triple Fed Bus

Answer 2

26.5 - 28.0V

Question 3

Generator Busses

Answer 3

27.5V - 29.0V

Question 4

Battery Start Limits

Answer 4

Batt Start: 23V
EXT PWR Start: 20V

Question 5

Generator Output

Answer 5

28.0V - 28.5V

Question 6

External Power Output

Answer 6

28V - 28.4V
300A CONT
1000A Momentary

Question 7

Generator Load Limits (Flight)

Answer 7

100%

Question 8

Generator Load Limits (Ground)

Answer 8

N1 62-70%: 75%
N1 70-100%: 100%

Question 9

Propeller De-Ice Amps Range

Answer 9

26-32A

Question 10

Starter Cycle Limits

Answer 10

30s ON
5mins OFF
30s ON
5mins OFF
30s ON
30mins OFF

Question 11

What what generator voltage does the GCU disconnect a generator?

Answer 11

32V

Question 12

Within how many volts does a generator need to be to the CTR bus for the GCU to successfully connect?

Answer 12

0.5V

Question 13

What is the max generator load above 34,000ft?

Answer 13

95%

Question 14

What current are the generators rated to?

Answer 14

300A