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AVS Topic 8 (Power Generation (Engine generator (Engines located at the…
AVS Topic 8
Power Generation
Engine generator
Engines located at the bottom left and bottom right wing
Provides power after takeoff
APU generator
Provides power at start up
Located at the tail of the plane
Emergency generator
Located at the bottom of the fuselarge
provides power in case of emergency(eg. Engine failure ETC)
DC supply
NiCad
Batteries
Locate at the main equipment center and Aft equipment center(nearing the tail of the plane)
Load
Electronic devices
requires large amount of AC power
provides flight operation and passenger comfort
Lighting
located at the tail of the plane
located at the wingtip leading edge of the plane
located under the nose of the plane
Mechnical power
DC-powered Actuators
AC-powered Induction Motors
Electrical heating
capable of anti-icing/de-icing
requires large amount of AC power
provides windscreen Heating and galley Heating
Operates at any
frequency
Distribution
AC
DC
Power conversion
Static inverter
Located at main equipment centre
Similar to a UPS(Uninterrupted power supply) works as a backup battery
Transformer rectifier unit(TRU)
Located at Main equipment centre
Includes of a transformer and a rectifier
Converts AC voltage to DC voltage