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supplying).
If AC BUS 1 and 2 are not energized and emergency generator is not
supplying :
~ battery 1 supplies the AC STAT INV BUS, and, if speed is greater than
50 kt, the AC ESS BUS.
~ battery 2 supplies the DC ESS BUS.
Note : In normal configuration the batteries are disconnected most of
the time.
Note: A battery automatic cut-off logic prevents the batteries from
discharging completely when the aircraft is on the ground
(parking).
Automatic battery contactors open when :
- The aircraft is on the ground.
- The BAT pushbutton switches are at AUTO.
- The main power supply (EXT PWR + GEN) is cut off.
- Battery voltage is low.
The flight crew can reset the contactors by switching the BAT
pushbutton switch to OFF then to AUTO.
The battery charge limiter is not operating : the battery line contactor is
open.
OFF comes on white if the DC BAT BUS is supplied. Hot buses remain
supplied.
Comes on amber, accompanied by an ECAM caution, when the charging
current for the corresponding battery is outside limits.
In this case the battery contactor opens.
CCM ALL
┏━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━┓
┃I ~-~ A318 ┃ ELECTRICAL ┃1.24.20 P 3 ┃
┃ aw aw ,, ~L,~ A319 ┃ ┃ ┃
┃ Lli,~ A320 ┃ ┃ ┃
┃ ┃ ┣━━━━┳━━━━┫
┃ A~7-~'M" A321 ┃CONTROLS AND INDICATORS ┃SEQ 001 ┃REV 23 ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
┗━━━━━━━━━━━━━━━━┻━━━━━━━━━━━━┻━━━━┻━━━━┛
(~ IDG 1 (2) (Integrated Drive Generator) pb sw (guarded)
-- CAUTION
1. Holding this
pusbutton switch in for more than about 3 seconds may damage the
disconnection mechanism.
2. Do not disconnect the IDG when the engine is not running (or not windmilling),
because starting the engine after having done so will damage the IDG.
The IDG switches are normally springloaded out.
Pressing this switch disconnects the IDG from its driveshaft : only maintenance
personnel can reconnect it.
FAULT It : Lights up amber, and ECAM caution comes on, if :
- IDG oil outlet overheats (above 185~0), or
- IDG oil pressure is low (inhibited at low engine speed : N2 below 14 %)
It extinguishes when the IDG is disconnected.
GEN 1 (2) pb sw
ON
OFF
FAULT It
The generator field is energized and the line contactor closes if electrica
parameters are normal.
The generator field is de-energized and the line contactors opens
The fault circuit is reset.
Lights up amber, and an ECAM caution comes on, if ~
- The associated generator control unit (GCU) trips it
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本文链接地址：
AIRBUS A320 Flight Crew Operating Manual3(15)
