【判断题】
H×D1电力机车辅助变压器柜冷却通风机只有冷却辅助变压器的作用
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【判断题】
H×D1电力机车通过冷却塔通风机还具有通过封闭的水回路冷却主变流器的水温的功能
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H×D1电力机车每节车有2条完全相同的牵引电机通风支路
【判断题】
H×D1电力机车主变流柜和变压器共用一个复合式散热器
【判断题】
H×D1电力机车控制系统根据变压器支路的油温和主变流支路的水温,自动调节冷却塔通风机运行电压和频率,来改变风机的转速
【判断题】
H×D1电力机车主变流支路中,使用水/防冻剂的混合物作为传热介质
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H×D1电力机车主变流器的冷却水进入复合散热器下层
【判断题】
H×D1电力机车辅助变压器风机以恒定频率工作,因此其风量是恒定的,有利于保证车内空气正压
【判断题】
H×D1电力机车2个四象限整流器将交流电变换成直流电,并联向中间回路供电
【判断题】
H×D1电力机车牵引电机端子或绕组内发生短路时,PWM的触发脉冲将被封锁
【判断题】
H×D1电力机车吸湿器中的硅胶,在干燥状态下呈红色
【判断题】
H×D1电力机车变压器油仅起到冷却介质的作用
【判断题】
H×D1电力机车主变压器每个次边绕组和四象限整流器单相输入之间,都设置了一个线路接触器。线路接触器用于控制牵引变流器与主变压器的通断
【判断题】
H×D1电力机车牵引电机测速装置用于测量转子转速,将转速信号传送给控制系统,实现异步牵引电机转速调节
【判断题】
H×D1电力机车接地开关有3个锁,其中的两个用于黄色钥匙,一个用于蓝色钥匙
【判断题】
H×D1电力机车高压连接器自身不带动作机构,其连接与分离都随机车车钩联挂和脱开同时完成
【判断题】
H×D1电力机车高压连接器带灭弧装置,可以在有电状态下进行分合操作
【判断题】
H×D1电力机车使用的是气动高压隔离开关
【判断题】
H×D1电力机车两个辅助逆变器全部工作在变频变压模式
【判断题】
H×D1电力机车两个辅助逆变器的输出接触器之后设置了一个故障转换用接触器
【判断题】
H×D1电力机车采用阀控式免维护铅酸蓄电池作为控制系统起动和后备电源
【判断题】
H×D1电力机车冷却水泵用于把散热器出口处的水抽入到逆变器中,以形成冷却系统的水路循环
【判断题】
H×D1电力机车采用SIBAS32控制系统和TCN通信网络,分为中央控制系统 CCU和牵引控制系统TCU两大系统
【判断题】
H×D1电力机车每节车有两个TCU,分别控制一个转向架的牵引和制动
【判断题】
正常情况下H×D1电力机车TCU1和TCU2都为主TCU
【判断题】
特殊常情况下,一台H×D1电力机车可以升两台受电弓
【判断题】
H×D1电力机车受电弓选择开关处于“升双弓"位置时,两节机车的受电弓同时升起。两节机车都工作在单节机车模式,车顶高压隔离开关断开
【判断题】
辅助压缩机主要功能是在辅助空气回路气压过低时,为辅助空气回路提供压缩空气
【判断题】
H×D1电力机车CCU通过机械间内受电弓滑板监控装置的压力传感器监控滑板内部空气压力
【判断题】
H×D1电力机车受电弓滑板破裂引起管路压力下降,主断路器立即断开且受电弓降下
【判断题】
H×D1电力机车变压器布赫继电器有一对常闭触点在主断路器回路内串联,由布赫继电器引起的主断路器断开完全由硬件回路实现
【判断题】
H×D1电力机车方向选择开关有向前、向后、中立3个位置。当方向选择开关处于“中立"位时,手柄可以取出
【判断题】
H×D1电力机车速度控制功能启动后,如果设定速度点低于实际速度,速度调节将激活电制动开始制动
【判断题】
H×D1电力机车无人警惕装置脚踏开关的优先级别超过司机控制器内的手动按钮
【判断题】
H×D1电力机车整车的电源断开,停车制动通过延时继电器自动施加
【判断题】
H×D1电力机车升弓截止阀处于ON状态位置时,升弓空气回路断开,受电弓处于落弓位置
【判断题】
H×D1电力机车升弓截止阀处于OFF状态位置时,蓝色安全钥匙才可从解锁机构上取出
【判断题】
H×D1电力机车变流柜安全杠杆由蓝色安全钥匙打开,变流柜安全杠杆取出后才可打开变流柜柜门
【判断题】
H×DI型电力机车每节机车上均设置了一套完整的空气管路与制动系统,可以单独运用
【判断题】
CCBⅡ制动机的均衡风缸模块(ERCP)通过均衡风缸的压力变化向列车管提供控制压力
【判断题】
CCBⅡ制动机的KM—2排风阀和列车管是一体的,高排风能力能确保列车管在紧急制动情况下,列车管中的压力快速降低
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