Boeing 737-800 - Standby Power System Schematic

737 Flight Crew Operations Manual
Electrical -
System Description
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 6.20.13
Standby Power System Schematic
AUTOOFF
BAT
STANDBY POWER
BAT
OFF
ON
TRANSFER BUSSES POWERED
AUTOOFF
BAT
STANDBY POWER
BAT
TRANSFER BUSSES NOT POWERED
AUTOOFFBAT
STANDBY POWER
OFF
ON
TR1
TRANSFER BUS NO. 1 TRANSFER BUS NO. 2
TR3
TR2
BATTERY BUS
DC STANDBY BUS
BAT
TRANSFER BUSSES POWERED
OR
OR NOT POWERED
TRANSFER BUSSES POWERED
(NORMAL CONFIGURATION)
CHGR
BATT
FROM GROUND
SERVICE BUS #2
BATTERY BUS
INV
AC STANDBY BUS
DC STANDBY BUS
HOT BAT BUS
BAT
HOT BAT BUS
SWITCHED
BAT
OFF
ON
OR NOT POWERED
BATTERY BUS
INV
AC STANDBY BUS
DC STANDBY BUS
HOT BAT BUS
BAT
HOT BAT BUS
SWITCHED
HOT BAT BUS
HOT BAT BUS
SWITCHED
AC STANDBY BUS
BAT
AUTOOFFBAT
STANDBY POWER
OFF
ON
March 25, 2010