时间:2011-06-14 21:26来源:蓝天飞行翻译 作者:航空 点击:次
LESSON 11 ELECTRICAL POWER电源系统 一、单词: 电源 Electrical power 不同的 Various 电瓶 battery 发电机 Generator 地面保障设备 Ground support equipment 交流 Alternating current 驱动 Drive 插座 Receptacle 转换 Convertion 分布 Distribute 产生 Produce 主要是 Primarily 额定容量 Is rated at 千伏安 Kilovolt ampere 汇流条 Slip-ring 换向器 Commutator 电刷 Brush 励磁器 Exciter 完整的 Complete 整流器 Rectifier 磁极 Pole 磁场 Field 转子 Armature 装有 Is supplied with 调节器 Regulator 引出 Develop 送入 Fed into 定子 Stator 恒速传动装置 Constant speed drive 附件齿轮箱 Accessory gearbox 关键的 critical 缺少 absence 变压器 transformer 备份的 backup 二、TEXT: 正常飞行时,交流电由两台发动机驱动发电机提供。一台发电机由辅助动力装置驱动,能够在飞行操作中提供各种电源。飞机在地面时可通过地面电源插头由地面电源供电。直流电由电瓶或交流电转换而来。 (3) The ac and dc power is distributed to the various system through the left and right load control centers in the flight compartment. The control and indication of the electrical system is from the P5 overhead panel in the flight compartment. 直流及交流电源在驾驶舱中通过左右 LOAD控制中心被分配到不同系统中去。电源系统的指示及控制位于驾驶舱 P5顶置面板上。 (4) The generators driven by the engine produce the ac power required by the airplane systems primarily for flight operation. The ac generator is rated at 50 kilovolt –amperes, 120/208 volts, 400Hz . The unit is without slip-rings.commutator, or brushes on either the main generator or the exciter. A complete generator assembly consists of an exciter generator, a rotating rectifier and a main gererator.
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