T-45C TS, ADV & IUT ENG-02
Electrical System
a.
26 and 115 VAC power developed by two
Overlay 1
identical inverters powered by 28 VDC essential
Inverters
services bus
b.
Inverters are internally protected for input or
output faults
(1) Automatically reset when input fault clears
Overlay 2
26/115 VAC Essential
(2) Require manual reset for output fault
Services Buses
2.
Distribution
Overlay 3
Non-Essential Buses
a.
26 and 115 VAC essential buses provide
distribution for AC essential services
b.
26 and 115 VAC non-essential buses provide
distribution for non-essential services
c.
When generator is off-line, 26 and 115 VAC
non-essential buses are taken off-line
d.
Two 6 VAC buses provide distribution from
115 VAC essential and non-essential buses to
wing navigation and formation lights
C.
Ground power system
Sg 2, fr 14
External Electrical
1.
Description
Connections
a.
External 28 VDC power may be connected to
aircraft for
(1) Battery charging
(2) Ground maintenance
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Original (9-98)
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