Nos. 1 and 2 batteries, normally connected in
parallel, can be manually selected to provide
DC supplies for essential services.
DC power distribution is through a split bus
bar system (PS1 and PS2) and two essential
system bus bars (PE and PE2).
With only internal power (airplane batteries)
available, the split bus bars (PS1 and PS2) are
not available. This arrangement is required in
order to restrict loads on the batteries until such
time as a generator (main or APU) comes on
line. With any generator on line or with 28-volt
external (ground) power connected, all DC
bus bars are available.
NOTE
With only one generator on line, the
bus tie must be closed to power both
PS1 and PS2.
Inverters, powered from the airplane DC system,
provide 115 volts AC for the operation of vari-
ous airplane systems and navigation equipment.
Each of the two engine-driven alternator pro-
duces an independent 208-volt supply for
windshield heating. The 7.4 KVA alternators
are “frequency wild” (variable frequency),
three-phase devices.
Figure 2-1 shows the electrical system com-
ponents locations.
Figure 2-2 shows the circuit-breaker panel lo-
cations, and Figure 2-3 shows the main dis-
tribution panel
2-2
FOR TRAINING PURPOSES ONLY
HAWKER 800 XP
PILOT TRAINING MANUAL
FlightSafety
international
AFT DISTRIBUTION
PANELS
GROUND
POWER
INVERTERS
ALTERNATOR
STARTER-GENERATOR
BATTERIES
MAIN
DISTRIBUTION
PANEL
STARTER-GENERATOR
ALTERNATOR
Figure 2-1. Component Locations
Summary of Contents for 800 XP
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