Page 9-1
140-590032-0007
Revision A4: Sep, 2010
Pilot’s Operating Manual
Section III
SYSTEMS DESCRIPTION
Sub-section 9
ELECTRICAL POWER
Table of Contents
Page
GENERAL ...................................................................................................... 9-3
CONTROLS and INDICATIONS.................................................................... 9-3
EXTERNAL POWER ................................................................................... 9-3
BATTERY SUPPLIES.................................................................................. 9-4
AMMETERS ................................................................................................ 9-4
Figure 1 - DC Electrical System - De-energized...................................... 9-5
VOLTMETER............................................................................................... 9-6
EXT BATT CHG ON/OFF switch ................................................................. 9-6
Figure 2 - Ground Power Connected with
External Battery Charge Switch ON........................................ 9-7
BATT EMERG-ON-OFF switch ................................................................... 9-8
BATT ISOLATE BATT 1-NORM-BATT 2 switch.......................................... 9-9
Figure 3 - Battery Switch ON ................................................................. 9-10
BUS TIE CLOSE-OPEN switch ................................................................. 9-11
GEN 1 AND GEN 2 CLOSE-TRIP switch .................................................. 9-11
Figure 4 - Normal Flight Conditions ....................................................... 9-12
ENGINE START USING EXTERNAL POWER............................................ 9-13
ABORT START.......................................................................................... 9-13
Figure 5 - Internal Start with No. 2 Engine Selected ............................. 9-14
ENGINE START USING BATTERY POWER .............................................. 9-15
WITH A GENERATOR ON LINE ............................................................... 9-15
DC POWER GENERATION ...................................................................... 9-15
SINGLE GENERATOR FAILURE.............................................................. 9-16
DOUBLE GENERATOR FAILURE ............................................................ 9-16
Figure 6 - Single Generator Failure ....................................................... 9-17
Figure 7 - Double Generator Failure...................................................... 9-18
APU GENERATOR (if APU installed) ........................................................ 9-19
OVERVOLTAGE PROTECTION ............................................................... 9-19
Figure 8 - APU (if installed) Generator On-Line .................................... 9-19
AC POWER .................................................................................................. 9-20
CONTROLS and INDICATIONS................................................................ 9-20
STATIC INVERTERS ................................................................................ 9-21
Starting No. 1 Inverter ............................................................................. 9-21
Starting No. 2 Inverter ............................................................................. 9-21
Failure Of A Main Inverter ....................................................................... 9-21
Failure Of Both Main Inverters ................................................................ 9-21
