A220 Type - Electrical

Ace your homework & exams now with Quizwiz!

How many K.V.A. is the RAT rated for

10 K.V.A

How many batteries do we have on the aircraft

2

How many TRUs do we have on the CSeries

3

Up to what altitude can the APU generator be used

30 000'

What can be the maximum load on the AC generators

75 kVA continuous

Which buses are powered when the aircraft is in ground service mode (not including the hot buses)

AC BUS 1 and DC BUS 1 and 10 sec later AC BUS 2

Which buses are powered by the RAT

AC ESS Bus and DC ESS bus (through TRU3)

What is the purpose of the L DISC and R DISC guarded switches

Allows the crew to disconnect the respective generator shaft from the accessory gearbox

What is the purpose of the RAT GEN guarded switch

Allows the flight crews to manually deploy the RAT

Which message comes on EICAS, when the batteries have been supplying power for more than 5 minutes

BATT DISCHARGING (caution msg)

What are the conditions in which the battery chargers will activate

Battery switch is in AUTO; and, Corresponding AC Bus is powered If the a/c electrical system is in Service Mode (regardless of Batt switch position)

In which condition does the RAT provides emergency A.C. power

Complete loss of AC power

Which DC bus is not normally displayed on the electrical page

DC EMER

What buses are identified as the hot buses of the aircraft

DC EMER bus BATT DIR BUS1 BATT DIR BUS2

What are the 3 parameters checked when External A.C. power is connected to the aircraft

Frequency, voltage and phase

When connected, if external A.C. power is suitable, what indication do you have on the overhead panel

Green AVAIL light on the external power switch

What is the purpose of the BATT 1 & BATT 2 switches

It allows the respective BATT DIR bus to be connected to its corresponding DC ESS bus

What is the purpose of the CABIN PWR switch

It is used to isolate cabin smoke sources by deactivating electrical loads

What is the purpose of the BUS ISOL switch in either MAIN or ESS

It isolates the selected EPCs preventing automatic reconfiguring of the electrical load distribution.

Which message displays on EICAS in case of low oil pressure or high oil temperature

L GEN OIL or R GEN OIL

What types of batteries do we have on the aircraft

NiCad batteries ( Nickel Cadmium)

What does PMAG stand for

Permanent Magnet Alternator Generator

What is used on the CSeries to provide emergency AC power

RAT (Ram Air Turbine)

Which switch in the cockpit can be used to deploy the RAT manually

RAT GEN switch

Where is the RAT stored

Right side of the wing-to-belly fairing, near the right main landing gear

How many Amps are each TRU rated at

TRU1: 350 Amps TRU2: 350 Amps TRU3: 225 Amps (additional 125 Amps dedicated to FBWPC)

What are the two primary sources of AC power

The 2 VFGs (variable frequency generator)

Other that supplying electrical power, the RAT also powers another component, what is it

The RAT hydraulic pump

Which buses are powered when the EXT PWR switch is used on the overhead panel

The entire electrical system

What are the 4 possible sources of AC power for the aircraft (ground and flight)

VFGs ( L gen & R gen) APU EXT AC RAT


Related study sets

CR29 S.A.F.E Act - Mortgage Licensing

View Set

PSY-317 MIDTERM Review Spring 2023

View Set

Unit 2: Describing the customer experience

View Set