Electrical

Question 1

The AC system is composed of:

Answer 1

– Two integrated drive generators (IDGs).

– One auxiliary power unit (APU) generator.

– One inverter.

– One ram air turbine (RAT).

– One AC external power receptacle

Question 2

The DC system is composed of:

Answer 2

– Two NiCd batteries.

– Three transformer rectifier units (TRU)s.

– One DC external power receptacle

Question 3

AC electrical power is the main source for airplane systems and comprises:

Answer 3

– Two integrated drive generators (IDGs).

– An auxiliary power unit (APU) generator.

– A ram air turbine (RAT).

Question 4

____ kt is required to ensure the RAT continues supplying AC/DC ESS BUSES.

Answer 4

130 kt

Question 5

A total of four ICCs are implemented in the electrical system.

Answer 5

– Left Integrated Control Center (LICC).

– Right Integrated Control Center (RICC).

– Emergency Integrated Control Center (EICC).

– Auxiliary Integrated Control Center (AICC

Question 6

Circuit Breakers are classified as either

Answer 6

thermal or electronic CBs

Question 7

The electronic CBs are located inside the

Answer 7

SPDAs, in the electronics bays.

Question 8

The source priority order for powering the airplane is:

l

–

Answer 8

– Respective IDG.

– APU generator.

– GPU (on ground without APU).

– Opposite IDG.