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庞巴迪环球5000公务机机组操作手册 Bombardier Global-动力装置(13)

时间:2011-11-11 09:42来源:蓝天飞行翻译 作者:公务机 点击:
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Volume 2 Flight Crew Operating Manual Rev 2A, Apr 11, 2005

POWER PLANT
 
ITT Indication
ITT Sweep Arm
Displays the current ITT value.


ITT Speed Redline
Displays the maximum ITT allowed and is set at 900°C, for engine operation (except engine start). Should the ITT limits be exceeded, the sweep arm and ITT readout will be red and will


ITT Readout
Displays the current ITT value.

ITT Redline (ground start)
The redline is reset for ground start to 700°C. It will revert back to 900°C once the engine is at idle.


ITT Redline (in flight start)
The redline is reset for inflight start to 850°C. It will revert back to 900°C once the engine is at idle.

GF1810_033
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2

POWER PLANT
 
N2 (HP Compressor)
The N2 signals are used by the EEC for engine control functions and are used by the Engine Vibration Monitor Unit (EVMU).
N2 is measured by four speed probes per engine, mounted in the accessory gearbox.
Three speed probes are used by the EEC for the following:
.
Variable stator vane control

.
Bleed valve control

.
Start/relight

.
Redline limiting

.
Idle control

.
Surge protection/recovery

.
Overspeed protection

.
N2 EICAS indication


The fourth probe, is used by the EVM system for engine vibration indication.

GF1810_034
Volume 2 Flight Crew Operating Manual Rev 2A, Apr 11, 2005

POWER PLANT
 
ENGINE INDICATIONS (CONT'D) 
N2 Indication 
SYNC Mode 
Displays synchronized mode 
as selected by the autothrottle 
or manually through the FMS. 


N2 Readout
Displays the current N2 value.

N2 Amberline
If the N2 speed limit is exceeded the N2 readout will turn amber. The amberline range is 98.9% N2, or
greater.

N2 Redline
If the N2 speed exceeds the amberline limits, the N2 readout will turn red and will flash. The redline range is 99.6% N2, or greater.

N2 Readout with Wing Anti.Ice Active

If N2 RPM is < 76% N2 with WAI active (AUTO or ON) the N2 readout will turn white.
If N2 RPM is > 76% N2 then
the N2 readout will turn green.

 

 

GF1810_035
Fuel Flow
The fuel flow transmitters will send a signal of engine consumed fuel flow to the EEC. Fuel flow is either displayed in pounds/hour (PPH) or kilograms/hour (KPH) depending on customer specifications.
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2
Fuel Flow Indication


FF (PPH or (KPH) Readout
Displays the current fuel flow.
Oil Temperature
Oil cooling is achieved by the Fuel Cooled Oil Cooler (FCOC). The oil temperature bulbs provide temperature to the EEC.
 
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