【判断题】
HXD1电力机车总风压力不足,当闭合升弓扳键开关后,辅助压缩机将自动启动,向控制风缸打风,打满风后辅助压缩机自动停止,随后受电弓升起。
A. 对
B. 错
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HXD1电力机车机械间内设备沿车内中间走廊两侧平行布置,采用导轨安装方式固定。
A. 对
B. 错
【判断题】
HXD1电力机车每个变流器的中间支撑电容组由4×4mF电容器组成,共计16mF。
A. 对
B. 错
【判断题】
即使HXD1电力机车中间支撑电容器已经放电,仍可能出现危险电压。
A. 对
B. 错
【判断题】
HXD1电力机车主变流器的低压部分和高压部分之间设有安全的电气绝缘。
A. 对
B. 错
【判断题】
HXD1电力机车低压部分TCU中控制电子组件的工作电压为110V,这一电压等级对生命和健康是危险的。
A. 对
B. 错
【判断题】
CCBⅡ制动机“第二步闸”移至抑制位后,均衡风缸、列车管、制动缸各压力无变化。
A. 对
B. 错
【判断题】
CCBⅡ制动机“第三步闸”初制位后:侧缓单阀,制动缸压力下降为0,手柄复位后制动缸压力不恢复。
A. 对
B. 错
【判断题】
CCBⅡ制动机“五步闸”试验完毕,机车司机室显示模块(LCDM)恢复本机/不补风状态设置。
A. 对
B. 错
【判断题】
DK-2制动机制动控制器钥匙开关,拨到左边为开,右边为关。
A. 对
B. 错
【判断题】
DK-2制动机自动制动控制器在运转位,单独制动控制器在运转位,制动控制器钥匙才能关或开。
A. 对
B. 错
【判断题】
DK-2制动机制动控制器钥匙开关在开位,自动制动控制器、单独制动控制器起作用。
A. 对
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DK-2制动机后备制动具有制动位、中立位、缓解位三个操作位置,只能保证全列车的制动、保压、缓解的基本功能。
A. 对
B. 错
【判断题】
DK-2制动机后备制动,应将自动制动控制器和单独制动控制器手把放运转位。
A. 对
B. 错
【填空题】
1.HXD1电力机车LOCOTROL为___控制系统 ,适合于多机分布式重载牵引。
【填空题】
2.HXD1电力机车轴列式为___。
【填空题】
3.HXD1电力机车牵引通风机采用___布置,便于均衡机车轴重。
【填空题】
4.HXD1机车微机控制系统的核心___模块和司机需要经常操作的一些开关、按钮等分别设置在司机室内的两个后墙柜内。
【填空题】
5.HXD1电力机车空气制动柜上部装有机车___和安全钥匙箱(BSV)。
【填空题】
6.HXD1电力机车为适合重载牵引车体采用整体承载结构,并以中央___梁为主要传递牵引力构 件。
【填空题】
7.HXD1电力机车主变流器中辅助变流器模块的___为辅助变压器柜的辅助变压器输入电源。
【填空题】
8.HXD1电力机车冷却塔主要装有冷却塔通风机、油/水散热器、___、膨胀水箱、变压器副油箱等设备。
【填空题】
9.HXD1电力机车在主断路器和高压穿墙套管之间,装有过电压保护用氧化锌避雷器,可以对雷击过电压和___起保护作用。
【填空题】
10.HXD1电力机车主断路器相邻处装有一台高压___,由它把受电弓从接触网受流的电流引入车内。
【填空题】
11.为保证人身安全,HXD1电力机车车顶登顶窗设置安全电气___装置。
【填空题】
12.HXD1电力机车打开登顶窗前,安全电气连锁装置接通车顶高压接地装置将25kV电路接地,使得分布电容积聚的___放电,确保人身安全。
【填空题】
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14.HXD1电力机车光电速度传感器给___系统提供机车速度信号。
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15.HXD1电力机车“机车电子标签”:根据相关的运输要求向外___机车电子表示信号。
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17.HXD1电力机车牵引电机通风支路走向:环境空气、空气进口侧墙过滤器、风道、牵引风机、风道支架、___、牵引电机、车底大气。
【填空题】
18.HXD1电力机车牵引电机通风机由___提供变频、变压电源。
【填空题】
19.HXD1电力机车控制系统根据牵引电机的___,自动调节其运行电压和频率,来改变风机的转速,以使风量适合于牵引电机当时的冷却需要。
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20.HXD1电力机车主变压器支路中,使用___为传热介质。
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21.HXD1电力机车主变压器油进入复合散热器___层。
【填空题】
22.HXD1电力机车机械室二级除尘器是一个___式除尘器,具有较高的过滤效率。
【填空题】
23.HXD1电力机车原边接地保护:检测原边电流和___电流的差值,当大于整定值时,判定为原边接地,主断路器进行分断保护。
【填空题】
24.HXD1电力机车在再生制动工况时,通过中间直流回路进行___变换,将电能回馈给电网。
【填空题】
25.HXD1电力机车中间直流回路由中间支撑电容、二次谐振电路、保护短路电路和___电路组成。
【填空题】
26.HXD1电力机车PWM逆变电路根据机车运行要求,将中间直流电压变换为所需要的___和幅值的三相交流电压。
【填空题】
27.HXD1电力机车四象限整流器和PWM逆变器模块过压保护在直流回路电压大于整定值时,触发___放电装置,断开主断路器。
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