Buses Flashcards
What systems are on the emergency battery bus
Transponder 1
Trims
VHF Radio 1
Standby horizon
Systems on the Hot main battery bus
Propeller feathering
Entrance lighting
Aux hyd pump
Engine fire detection
Systems on the DC essential Bus
Oxygen supply
Engine start controls
Fuel pumps
Smoke detectors
Air conditioning
Busses that are connected to the main batteries and emergency battery
Main battery ( main battery 24v - hot battery bus- DC essential battery bus - DC Standby bus - Inverter 1 and Ground handling bus
Emergency battery 24 v - hot emergency battery bus - DC emergency bus.
DC GEN 1 WHAT DOES IT POWER
DC BUS 1
Automatic pressurisation control
Captain instruments
WX Radar
Stall Warner
DC EMERGENCY BATT(& associated bus bars)
INV 1(which goes to constant AC BUS 1 & AC STBY BUS BARS)
DC SERVICE BUS
AC Wild frequencies
341hz @ 70%
400hz @ 82%
488 @ 100%
AC Wild what it powers
Taxi lights
Landing lights
Hydraulic pumps
Ice protection
What does DC GEN 2 supply
DC BUS 2
Main battery and its associated busbars
INV 2 ergo the constant AC busbars of bus 2
The automatic function of the hydraulic pump
The automatic function of the TLU rudder travel limit unit
What happens in the event of a double gen failure
ACW GEN 2 through ACW BUS 2 connects to a TRU which converts ACW to DC
These will power
DC EMERGENCY BUS
DC ESSENTIAL BUS
And both standby busbars
This ensures that the batteries will not be drained
What is the ACW voltage?
Either 115V or 200V
What is supplied by the AC standby bus
Flap position indicator
Standby pitot heat
Standby dc bus what is supplied
VOR / ILS box 1
Landing gear control
Flap control
