Pilot’s Manual
PM-132A IV-1
TABLE OF CONTENTS
Electrical Power Systems.......................................................................... 4-1
Introduction............................................................................................ 4-1
General .................................................................................................... 4-1
Main Batteries......................................................................................... 4-2
Emergency Battery................................................................................. 4-3
Generators............................................................................................... 4-5
Generator Control Units ....................................................................... 4-5
Ground Power Unit (GPU)................................................................... 4-8
Electrical Control Panel......................................................................... 4-9
Electrical Switches ................................................................................. 4-9
Electrical System Indicators ............................................................... 4-13
Distribution........................................................................................... 4-15
Split Bus System.............................................................................. 4-17
Generator Buses .............................................................................. 4-17
Main Buses....................................................................................... 4-18
Main Avionics Buses ...................................................................... 4-18
DC Power Distribution (Figure 4-1)............................................. 4-19
Essential Buses ................................................................................ 4-21
Isolation Contactors........................................................................ 4-21
Essential Avionics Buses ................................................................ 4-22
Emergency Battery Bus .................................................................. 4-22
Non-Essential Buses ....................................................................... 4-23
Distribution Summary ................................................................... 4-23
Abnormal Modes of Operation.......................................................... 4-24
Single Generator Failure ................................................................ 4-24
Dual Generator Failure .................................................................. 4-25
Battery Overheat ............................................................................. 4-26
AC Power.............................................................................................. 4-26
Lighting..................................................................................................... 4-27
Introduction.......................................................................................... 4-27
General .................................................................................................. 4-27
Cockpit Lighting .................................................................................. 4-28
Left Crew Lights Panel................................................................... 4-28
Right Crew Lights Panel ................................................................ 4-29
Switch Lighting............................................................................... 4-30
Map Lights ....................................................................................... 4-31
SECTION IV
ELECTRICAL & LIGHTING
Pilot’s Manual
IV-2 PM-132A
TABLE OF CONTENTS (Cont)
Cabin Lighting ..................................................................................... 4-31
Entry/Exit Lights ........................................................................... 4-31
Overhead Lights ............................................................................. 4-32
Passenger Reading and Table Lights ........................................... 4-32
Galley Lights ................................................................................... 4-32
Lavatory Lights............................................................................... 4-33
Baggage/Tailcone Lighting................................................................ 4-34
Emergency Lighting System.............................................................. 4-34
Landing and Taxi Lights..................................................................... 4-35
Recognition Lights .............................................................................. 4-36
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