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
The red EMER PWR ONLY warning EICAS message indicates loss of all normal electrical power, and ADG deployment.
When the ADG unit is fully extended, the two-blade propeller is unlocked and rotates in the airstream. Once the ADG voltage and frequency are within normal limits, the AUTO DEPLOY CONTROL unit energizes the appropriate transfer contactors, and allows the ADG to provide power to the AC ESS BUS and to hydraulic pump 3B via the ADG BUS.
The ADG AUTO DEPLOY CONTROL unit sends a signal to release the solenoid of the ADG uplock mechanism.
ADG Manual Deploy Handle and ADG AUTO DEPLOY CONTROL Panel
Figure 07.10.15
ELECTRICAL Description Vol. 2 07.10.18
Oct 05/06
ADG Manual Deploy Handle
In the event of an auto-deploy failure, the ADG can be manually deployed using the ADG manual deploy handle, located on the lower center pedestal. Pulling the handle manually releases the uplock, allowing the ADG to deploy. In addition, the emergency AC transfer contactor and emergency DC transfer contactor are energized immediately.
In the event the ADG fails, operating the ADG manual deploy handle enables the DC ESS BUS to be supplied by the BATT BUS through the emergency DC transfer contactor.
NOTE
If the ADG is not operating properly and the airplane is on battery power only, then all electrical power may be lost after 30 minutes.
Hydraulic pump 3B will be inoperative when on battery power.
Manual deployment of the ADG handle is also required for landing, when the ADG is the only source of AC electrical power. This ensures that the DC ESS BUS remains powered by the BATT BUS throughout the landing rollout, when the ADG is no longer capable of generating AC power.
ADG LAMP/UNIT Switch
The ADG auto deploy control unit may be tested using the two-position ADG LAMP/UNIT switch, located on the ADG AUTO DEPLOY CONTROL panel.
Selecting the switch to the UNIT position tests the continuity of the uplock circuit, the three transfer contactors, and the ADG AUTO DEPLOY CONTROL unit internal logic circuitry. Both engine generators must be operating, and AC BUS 1 and AC BUS 2 must be powered, to ensure a proper test.
Selecting the switch to the LAMP position checks the serviceability of the green TEST lamp only.
ELECTRICAL Description Vol. 2 07.10.19
Oct 05/06
ADG Operation
Figure 07.10.16
ELECTRICAL Description Vol. 2 07.10.20
Oct 05/06
PWR TXFR OVERRIDE
With the ADG deployed, it may be possible to restore normal AC electrical power by resetting an engine-driven generator, or by using the APU generator. If AC electrical power is restored, the PWR TXFR OVERRIDE switch should be selected, to reset the three transfer contactors and regain normal AC distribution. This returns the AC ESS BUS to AC BUS 1, and the 3B hydraulic pump to normal operation.
中国公务机网 www.gongwuji.com
公务机翻译 www.aviation.cn
本文链接地址：庞巴迪挑战者605公务机机组操作手册 CL605-电气 COMMUNICATIONS(8)
|
