Electrical Supply Flashcards
(46 cards)
Three individual electrical system?
AC (primary)
DC (secondary)
Emergency system
The primary system (AC) powered by engine driven ac generators, distributes power to?
Gen buses Essential ac buses 26vac transformer Transformer rectifier buses Essential dc buses Warning buses Battery bus
What power the emergency system?
Hydraulic driven ac generator & include a transformer rectifiers.
The primary power supply system consist of two direct?
Engine driven AC gen
90/60 kVa 100 amp
The generator are each rated at a maximum of ____ when aircraft is in Beta.
60 kVa
In Alpha range, the generators each rated to a maximum of?
90 kVa
What cause the supervisory panel trip off the generators?
Over voltage Under voltage Under frequency Feeder fault Phase current imbalance
DC electrical power, the secondary system provides?
28 Vdc power from two 100 a transformer rectifier.
If both transformer rectifier fail, what operation is automatically initiated?
Emergency generator
The battery and battery bus are part of _________ system.
Secondary
The battery keep fully charge by power from the _____ transformer rectifier bus.
Left
What will not power with left generator on only?
T- handles & engine fire extinguisher.
What emergency electrical power supplies?
Hydraulically operated 10 kVa ac generator and a 50 amp transformer rectifier.
What held close emergency generator shutoff valve?
28 Vdc from warning bus no.2
Generator TEST switch is a mandatory position for use under _________ conditions.
No-load
AC bus tie switch
Set to ON. If generator fail, buses received power from the operating generator.
External electrical power
Monitor in the a/c electrical system, preventing application of power of improper phase sequence, frequency, or voltage.
(From the NC-10)
Circuit breaker type?
Thermal trip free (reducing fire hazard).
The air/ground safety switches are mounted on?
The main landing gear struts.
The passenger/cargo compartment lighting consists of?
Dome, aisle or curb light, cargo floodinglights, cargo ramp dome light, reading lights, panel lights, emergency exit lights.
Passenger advisory system
Provides a means of making the pax aware of action required of them from various flight conditions or evolutions.
How many cabin pax advisory lights?
Six
Prepare for Catapult Arrested ldg Ditching No smoke Fasten seat belt
Exterior lighting system
Anti-collision Position Carrier alignment Taxi/ldg ing Nose-wheel flood
Anti-collision Strobe lights
Red or white, white are disable on the ground. Located at up right vert stab and low fuselage front.
