TM 1-1520-238-10
2-68
GEN 1
SQUAT
SWITCH
AC
CONTACTOR
AC ESS BUS 1
GEN 1
CONTROL
SWITCH
HOT
RECT 1
T/R1
FAIL
ELECT
SYSTEM
RECT 1
DC CONTACTOR ASSEMBLY
DC ESS BUS 2
DC ESS BUS 3
DC EMERGENCY BUS
RECT 2
GCU 1
GEN 2
AC
CONTACTOR
GCU 2
AC ESS BUS 2
HOT
RECT 2
T/R 2
GROUND
SERVICE
UTILITY
RECEPTACLE
NI CAD
BATTERY
CHARGER
HOT BAT
CHARGER
DC ESS BUS 1
BATTERY
RELAY
28 VDC FROM
DC ESS BUS 1
NO. 1 AC
GENERATOR
NO. 2 AC
GENERATOR
115/200 VAC 3 PHASE 400 HERTZ
GEN 2
CONTROL
SWITCH
28 VDC
115/200 VAC
3 PHASE
115/200 VAC
3 PHASE TO 28 VDC
BATT
OFF
EXT PWR
(PILOT)
BATTERY
NORMAL
OVRD
(CPG)
M01-088-1
BLOCKING
DIODES
AC POWER
DC POWER
Figure 2-38.
Electrical Power Distribution System (Sheet 1 of 2)