GENERAL
The electrical system incorporates a split,
multiple bus system for power distribution in-
terconnected by contactors, fuses, and circuit
breakers which react automatically to isolate
a malfunctioning circuit. Manual isolation is
also possible by turning off power to an af-
fected bus via the electrical control panel
(Figure 2-2) or by opening the appropriate
circuit breakers.
In the event of a dual generator failure, the
main airplane batteries may be used to power
the essential, essential avionics and hot bus
components for a limited period of time. An
emergency battery is also provided to operate
equipment connected to the emergency battery
bus and emergency hot bus.
It is possible to power the DC electrical sys-
tems from the airplane batteries, engine driven
generators, a ground power unit (GPU) or an
auxiliary power unit (APU), if installed.
Figure 2-1 shows the major electrical power
system component locations.
A glossary of abbreviations and acronyms may
be found in the appendix tab of this manual.
LEARJET 45 PILOT TRAINING MANUAL
2-2
FOR TRAINING PURPOSES ONLY
FlightSafety
international
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