A220 Electrical Exam With complete solution– Expert Verified | Latest Version | 100 Guaranteed Success

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A220 Electrical Exam With complete solution– Expert Verified | Latest Version | 100 Guaranteed Success

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2025/2026

Institution AIRBUS220

Course AIRBUS220

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A220 Electrical Exam With complete solution– Expert Verified | Latest Version | 100 Guaranteed Success

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A220 Electrical Exam With complete solution– Expert
Verified | Latest Version | 100 Guaranteed Success

1. Study the electrical system synoptic pages to help visualize the following
questions: -

2. The aircraft uses ___ VAC electrical power. - a. 115

3. What is the AC electrical sources? - a. 2 variable frequency generators (VFGs)
b. 1 APU VFG
c. RAT d. External power

4. What are the 3 AC busses? - a. AC BUS 1
b. AC BUS 2
c. AC ESS BUS

5. The aircraft uses ____ VDC electrical power. - a. 28

6. What are the DC power sources? - a. 3 TRUs
b. 2 nickel cadmium (NiCad) batteries
c. 2 magnet alternator generators (PMAGs)

7. How many DC busses are there? - a. 8

, 8. How many are displayed on the EICAS? - a. 6

9. What 2 busses aren't shown? - a. BAT DIR BUSSES 1 and 2

10. What is an EPC? How many? What is their function? - a. Electrical Power
Centers
b. 3 (EPC 1, EPC 2, EPC 3)
c. Power isolation and distribution

11. What do the PMAGs provide power for? - a. FADEC
b. Fly by wire power converter (FBWPC)

12. What is the kVA for the VFGs on the engines? - a. 75 kVA

13. Where are the VFGs located on the engine? - a. Accessory gearbox

14. How are the VFGs cooled? - a. Self-contained oil system

15. Where is the APU VFG mounted? - a. APU accessory gear box

16. How many KVA is the APU VFG? - a. 75 KVA up to FL365

17. What do the Generator Control Units do? - a. Regulate voltage
b. Control contactors to connect and disconnect VFGs to AC busses
c. Protect electrical circuits

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Uploaded on: October 1, 2025
Number of pages: 9
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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