曝光台 注意防骗
网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者
brought on line, the APU generator will be automatically taken off line.
IDG 1 APU GENERATOR IDG 2
Failed Not available Both AC Bus 1 and AC Bus
2
Failed AC Bus 1 AC Bus 2
Both AC Bus 1 and AC Bus
2 Not available Failed
AC Bus 1 AC Bus 2 Failed
Failed Both AC Bus 1 and AC Bus
2 Failed
Vol. 1 07--20--3
ELECTRICAL
AC Electrical System REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
AC System Distribution
Figure 07---20---1
RIGHT
ENGINE
LEFT
ENGINE
GCU GEN
1
GCU
APU
GEN GCU
EXTERNAL
POWER
MONITOR
ACPC
GEN
2
APU
EXTERNAL
AC
AC BUS 1
PITCH
TRIM
SLATS
FLAPS
ADGPC
GCU
ADG
AC BUS 2
AC SERVICE
AEPC
STC
GLC2
GTC2
GLC1
GTC1
GTC2B GTC1B
ADG BUS
ADG
LC
EMERG
HYD
3B AC ESS BUS
HYD
PUMP
ETC
Vol. 1 07--20--4
ELECTRICAL
AC Electrical System REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
AC Electrical System
Figure 07---20---2
External Service Panel
Right Forward Fuselage
IDG 1 and 2 DISC
(Guarded)
Used to disconnect
IDG from engine.
DISC (white) light
indicates selected
disconnect is successful.
FAULT (amber) light
indicates a fault within
IDG (low oil pressure or
high oil temperature).
IDG will automatically
disconnect, when an
overtemperature or
overtorque condition
occurs.
Once disconnected, the
IDG cannot be reset with
the engines running.
AC ESS XFER
Used to switch essential bus feed
from AC bus 1 to AC bus 2.
ALTN (white) light indicates
essential bus is fed from AC bus 2.
Transfer is automatic during an AC
bus 1 failure.
AC
Used to select external
AC power.
AVAIL (green) light
indicates external
power is connected
and is ready to use.
IN USE (white) light
indicates that the
external AC power unit
is supplying the
electrical system.
GEN 1, 2 and APU GEN
AUTO -- Connects
generator to
associated bus.
OFF/ RESET --
Disconnects generator
from associated bus
and/ or resets the
generator control
circuit.
Electrical Power Panel
Overhead Panel
AUTO XFER
Used to disable automatic
transfer of associated IDG.
OFF (white) light indicates
autotransfer is selected off.
FAIL (amber) light indicates a
fault preventing autotransfer.
EXT AC PUSH
Used to select
external AC power.
AVAIL (green) light
indicates external
power is connected
and is ready to use.
IN USE (white) light
indicates that the
external AC power
unit is supplying the
electrical system.
FAULT
DISC
DISC
GEN 2
OFF/
RESET
APU GEN
OFF/
RESET
OFF/
RESET
GEN 1
FAIL
OFF
FAIL
AUTO OFF
XFER
AC ESS XFER
ALTN
FAULT
DISC
DISC
BATTERY
MASTER
OFF
ON
OFF
ON
DC
SERVICE
IDG 1 AC POWER IDG 2
ELECTRICAL POWER
AC
AVAIL
IN USE
Vol. 1 07--20--5
ELECTRICAL
AC Electrical System Sep 09/02
Flight Crew Operating Manual
CSP C--013--067
AC Electrical System Synoptic Page
Figure 07---20---3 Sheet 1
AC Electrical Page
AC ELECTRICAL
GEN
1
GEN
IDG1 APU IDG2
GEN
2
ESS BUS
SERV BUS
BUS 1 BUS 2
KVA
V
HZ
000
KVA
V
HZ
16
115
400
KVA
V
HZ
18
115
400
Generator Load
Displays the load on
the generator.
Generator Voltage
Displays the generator
voltage level.
Generator Frequency
Displays the generator
frequency level.
EICAS
OUTLINE GREEN AMBER WHITE
HALF INTENSITY
MAGENTA
Invalid data
_
_
HALF INTENSITY
CYAN
Invalid data
Invalid data
GEN Generator on
Generator off
with engine /
APU running
Both generator
and engine /
APU are off
IDG Constant
speed drive on
Low oil pressure
or high oil
temperature
Engine is off or IDG
has disconnected
_ Engine / APU off
Engine / APU
running and
ready to load
_
APU
EICAS DIGITAL
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
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庞巴迪挑战者手册2(106)
