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庞巴迪挑战者605公务机机组操作手册 CL605-电气 COMMUNICATIONS(9)

时间:2011-10-28 11:43来源:蓝天飞行翻译 作者:公务机
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NOTE
The ADG manual deploy handle must be stowed to allow the transfer contactors to reset.


 ELECTRICAL Description  Vol. 2  07.10.21 
Oct 05/06 


ADG Operation
Figure 07.10.17

DC ELECTRICAL POWER SYSTEM

Description
Four transformer-rectifier units (TRUs), two NiCad batteries, and an external DC power receptacle supply direct current (DC) power to the DC buses. The TRUs carry the majority of the DC electrical loads, and the batteries provide emergency power in-flight and allow the APU to be started on the ground.
DC power is distributed to the DC buses directly from the TRUs or batteries, and from various contactors which provide alternate sources of power.


 ELECTRICAL Description  Vol. 2  07.10.22 
Oct 05/06 

Electrical power is supplied to the buses through the circuit breaker panels.

DC System Schematic
Figure 07.10.18

Monitoring of system status is done using the DC ELECTRICAL synoptic page. The aircraft DC bus system consists of the following nine buses:
.
DC BUS 1;

.
DC BUS 2;

.
DC ESS (Essential) BUS;

.
DC EMER (Emergency) BUS;

.
BATT (Battery) BUS;

.
DC UTIL (Utility) BUS 1;

.
DC UTIL (Utility) BUS 2;

.
MAIN BATTERY DIRECT BUS; and

.
APU BATTERY DIRECT BUS.

 


 ELECTRICAL Description  Vol. 2  07.10.23 
Oct 05/06 


DC ELECTRICAL Synoptic Page
Figure 07.10.19

Components and Operation
Transformer-Rectifier Units (TRUs)
The normal sources of 28-volt DC electrical power for the DC system are the four TRUs. Each TRU converts 115-volt AC to 28-volt DC, and supplies it to its respective DC buses. Each TRU is rated at 100 amps.
The four TRUs are identified as:
.
TRU 1;

.
TRU 2;

.
ESS (Essential) TRU 1; and

.
ESS (Essential) TRU 2.


The TRUs supply the following buses:
.
TRU 1 normally supplies DC BUS 1 and DC UTIL BUS 1;

.
TRU 2 normally supplies DC BUS 2 and DC UTIL BUS 2;

.
ESS TRU 1 normally supplies DC ESS BUS and DC BATT BUS; and

.
ESS TRU 2 normally supplies DC ESS BUS and DC BATT BUS.

 


 ELECTRICAL Description  Vol. 2  07.10.24 
Oct 05/06 

 

DC ELECTRICAL POWER SYSTEM (CONT'D) TRU Power Distribution System The TRU power distribution system supplies the following buses:
DC BUS 1 and DC BUS 2
DC BUS 1 is supplied by TRU 1, and DC BUS 2 is supplied by TRU 2. If either TRU fails, both buses can be supplied by either TRU by selecting the MAIN BUS TIE switch/light on the ELECTRICAL POWER panel.
DC UTIL BUS 1 and DC UTIL BUS 2
 
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