| 7 |
How may bus switching be summarized ?
Ground power of the correct quality powers both Transfer Busses.
The APU will power both Transfer Busses when either the left or
right APU switch is selected on.
The engine generators will power only their respective bus if
either ground power or the APU is powering the opposite bus.
If both APU and ground power are available, the last selected
source will power both Transfer Busses
The APU will power both Transfer Busses when either the left or
right APU switch is selected on.
The engine generators will power only their respective bus if
either ground power or the APU is powering the opposite bus.
If both APU and ground power are available, the last selected
source will power both Transfer Busses
| Ground Power and Bus Switching Panel |