SYSTEMS: Electrical system, powered by 12v DC alternator, includes navigation, panel and map lights, dual landing lights, anti-collision light and battery.
系统：电气系统，由12 V直流发电机供电，包括导航，面板和地图灯，双落地灯，防撞灯和电池。
According to the design demand of DC power supply panel in engineering, this paper introduces the selection of rectification DC rectification power system with high-frequency switch.
针对工程中对直流电源屏的设计需要，简要介绍了高频开关整流电源直流系统的选择。
LED light-bulbs (patent number:)5, DC 12 V and 24 V LED flat light-emitting lamp panel solar PV system is the preferred source.
LED调光灯泡（专利号：）5，直流12伏和24伏的LED平面发光灯盘是太阳能光伏发电系统的首选光源。
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