mechanism may be damaged..
D D
You are in an ELECTRICAL EMERGENCY
CONFIGURATION, shortly after the fault occurred, you notice the red FAULT light on the RAT & EMER GEN pushbutton.
How do you interpret this indication ? You are in an ELECTRICAL EMERGENCY You are in an ELECTRICAL EMERGENCY CONFIGURATION
CONFIGURATION, , shortly after the fault occurredshortly after the fault occurred, , you notice the red FAULT light on the RAT
you notice the red FAULT light on the RAT & & EMER EMER GEN pushbutton
GEN pushbutton..
How do you interpret this indication How do you interpret this indication ??
The EMER GEN is not supplying the The EMER GEN is not supplying the system
system..
A A
The fault light on the RAT
The fault light on the RAT & & EMER GENEMER GEN pbpb will extinguish by depressing it will extinguish by depressing it..
B B
The FAULT light is always on when you The FAULT light is always on when you are in ELEC EMER CONFIG
are in ELEC EMER CONFIG..
C C
To separate both sides of the electrical To separate both sides of the electrical system
system..
A A
To connect both generators directly to the To connect both generators directly to the AC ESS BUS
AC ESS BUS..
B B
To connect both sides of the electrical To connect both sides of the electrical system
system..
C C
To switch both generators to the opposite To switch both generators to the opposite side AC BUS
side AC BUS..
D D
You are in an ELECTRICAL EMERGENCY CONFIGURATION, on ELEC panel you have depressed the GEN 1 and GEN 2 pb for reset.
The reset was unsuccessful.
Why must you push the BUS TIE pb sw to OFF ? You are in an ELECTRICAL EMERGENCY You are in an ELECTRICAL EMERGENCY CONFIGURATION
CONFIGURATION, , on ELEC panel you have on ELEC panel you have depressed the GEN
depressed the GEN 1 1 and GEN and GEN 2 2 pb pb for resetfor reset.. The reset was unsuccessful
The reset was unsuccessful.. Why must you push the BUS TIE
Why must you push the BUS TIE pb sw pb sw to OFF to OFF ??
In an ELECTRICAL EMERGENCY CONFIGURATION, after performing the initial ECAM procedure, you have separated both sides of the electrical system.
Why do you have to try another generator reset ? In an ELECTRICAL EMERGENCY CONFIGURATION In an ELECTRICAL EMERGENCY CONFIGURATION, , after performing the initial ECAM procedure
after performing the initial ECAM procedure, , you you have separated both sides of the electrical system have separated both sides of the electrical system.. Why do you have to try another generator reset Why do you have to try another generator reset ??
If there was a short circuit
If there was a short circuit, , you mightyou might recover one generator now
recover one generator now..
A A
Because the generators had time to cool Because the generators had time to cool down and now a reset might be
down and now a reset might be successful
successful..
B B
You should always try two resets if you You should always try two resets if you have a generator failure
have a generator failure..
C C
Reconnect the generator to its drive Reconnect the generator to its drive mechanism
mechanism..
Disconnect the corresponding generator Disconnect the corresponding generator from its drive shaft
from its drive shaft..
Cut the corresponding generator supply Cut the corresponding generator supply to the ESS AC bus
to the ESS AC bus..
Cut the corresponding generator supply Cut the corresponding generator supply to AC bus
to AC bus 11 or or 22..
The purpose of the Integrated Drive Generator (IDG) pb sw is to:
The purpose of the Integrated Drive Generator The purpose of the Integrated Drive Generator ((IDGIDG) ) pb pb swsw is to is to: :
A A
B B
C C
D D
GEN 1 GEN 2
IDG 1 IDG 2
The engine driven generators are running.
The engine driven generators are running The engine driven generators are running..
At the engine RPM trough their gearbox At the engine RPM trough their gearbox connection
connection..
A A
At constant speed by a drive mechanism At constant speed by a drive mechanism between the generator and ENG gearbox between the generator and ENG gearbox..
B B
At a intermediate speed controlled by an At a intermediate speed controlled by an electronic computer
electronic computer..
C C
No necessity to control the generator No necessity to control the generator speed because the AC network operates speed because the AC network operates under variable frequency
under variable frequency..
D D
AC ESS bus is fed by AC bus supplying the AC ESS BUS
supplying the AC ESS BUS..
C C
To balance the
To balance the Elec Elec load GEN load GEN 22 is directly is directly supplying the AC ESS bus
supplying the AC ESS bus..
D D
The Electrical System includes two buses: AC ESS BUS and DC ESS BUS.
In normal configuration :
The Electrical System includes two buses
The Electrical System includes two buses: : AC ESS AC ESS BUS and DC ESS BUS
BUS and DC ESS BUS.. In normal configuration In normal configuration ::
From AC bus
From AC bus 22 to AC bus to AC bus 11..
A A
From AC bus
From AC bus 11 to AC bus to AC bus 22..
B B
From the APU generator From the APU generator..
C C
From ESS DC bus From ESS DC bus..
D D
The purpose of AC ESS FEED pb sw is to enable the pilot to switchover the supply of AC ESS bus.
The purpose of AC ESS FEED
The purpose of AC ESS FEED pb sw pb sw is to enable is to enable the pilot to switchover the supply of AC ESS bus the pilot to switchover the supply of AC ESS bus..
Please indicate the position of the ELEC panel.
Please indicate the position of the ELEC panel Please indicate the position of the ELEC panel..
A A B B C C
Please indicate the position of the EMERG ELEC PWR panel.
Please indicate the position of the EMERG ELEC Please indicate the position of the EMERG ELEC PWR panel
PWR panel..
A A B B C C
TrueTrue..
A A
False False..
B B
The emergency electrical generator used as a back up is hydraulically driven by the RAT which automatically extends when both AC BUS 1 and AC BUS 2 are lost and the aircraft speed is above