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13.和谐型电力机车总体设计采用高度集成化、___的设计思路。
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【填空题】
14.和谐型电力机车牵引变流器冷却系统,通过流量计监测冷却水的流速,实现牵引变流器进口___监测和保护。
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15.和谐型电力机车变压器具有高阻抗、重量轻等特点,并采用强迫导向油循环___技术。
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16.和谐型电力机车制动机采用了___气路的空气制动系统,具有空电制动功能。
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17.辅助电动机供电电路由辅助变流器、___装置、电磁接触器、自动开关、辅助电动机等组成。
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18.当牵引通风机过流造成自动开关断开后,其主触点断开对应牵引通风机的供电电路,辅助触点将故障信号送到___。
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19.自阀手把运转位时,16CP响应___压力变化,将作用管压力排放。
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20.自阀手把常用制动区,BCCP响应___压力变化,机车制动缸压力上升。
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21.和谐型电力机车的电气线路主要由主电路、___、控制电路,行车安全综合信息监控系统电路和空气管路系统电路组成。
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22.和谐型电力机车受电弓内装有___装置,当弓网故障时,可自动降弓保护。
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23.和谐型电力机车通过设置高压接地开关,来实现机车的高压安全___。
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24.和谐型电力机车采用的辅助变流器,能分别提供VVVF和___三相辅助电源,对辅助机组进行分类供电。
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25.和谐型电力机车机车基础制动方式为___制动(和谐2机车除外)。
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26.检查机车时不允许___制动盘任何部位。
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27.CCBⅡ系统是基于微处理器的电空制动控制系统,除了___制动作用开始,所有逻辑都是微机控制的。
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28.当某一套辅助变流器发生故障,由另一套辅助变流器承担机车全部辅助电动机负载时,该辅助变流器按照___方式工作。
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29.和谐型电力机车牵引电动机采用___外通风,冷却风从非传动端进入,传动端排出。
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30.和谐型电力机车再生制动时,逆变器工作在整流状态,四象限整流器工作在逆变状态,并通过中间直流回路向主变压器牵引绕组馈电,将再生能量回馈至___利用。
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31.和谐型电力机车正常运行时,辅助变流器l工作在VVVF方式,辅助变流器2工作在___方式,分别为机车辅助电动机供电。
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32.和谐型电力机车单阀手柄移至制动区,___响应工作,使制动缸产生0—300kPa作用压力。
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33.和谐型电力机车侧压单阀手柄时,___工作,可实现缓解机车的自动制动作用。
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34.当某一套辅助变流器发生故障时,另一套辅助变流器可以承担机车___的辅助电动机负载。
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35.和谐型电力机车主变流器采用___冷却方式。
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36.和谐型电力机车采用了新型的空气干燥器,有利于___的干燥,减少制动系统阀件的故障率。
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37.和谐型电力机车牵引电动机为三相鼠笼式___电动机。
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38.20CP响应手柄的不同位置,使制动缸产生作用压力为___kPa。当侧压手柄时,实现缓解机车的自动制动作用。
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39.和谐型电力机车换端前将大闸放置重联位,插上防脱插销,小闸置___位。
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40.和谐型电力机车冷却系统主要包括___系统冷却、主变流装置系统冷却、牵引电动机冷却、辅助电源装置冷却、空气压缩机的冷却及包括卫生间通风及车内换气等。
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41.和谐型电力机车制动系统采用的是克诺尔的___型和法维莱制动机。
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42.CCBⅡ型制动机主要由LCDM制动显示屏、EBV___、集成处理模块IPM、继电器接口模块RIM和电空控制单元EPCU等组成。
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43.和谐型电力机车升弓前,首先需确定总风缸压力在___kPa以上。
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44.为防止损坏辅助压缩机,辅助压缩机打风时间不得超过___分钟。
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45.当牵引电动机通风机发生故障隔离时,只有对应的___和牵引电动机停止工作。
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46.和谐型电力机车辅助变流器向牵引通风机电机和压缩机电机等辅助机器供给___交流电。
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47.和谐型电力机车弹停装置动作,且弹停塞门(B40.06)关闭时,如要缓解弹停装置,必须在走行部的___上进行手动缓解。
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48.和谐型电力机车采用___方式,当负载分配不均匀时,均可以通过牵引变流器的控制进行适当补偿,以实现最大限度地发挥机车牵引力。
【填空题】
49.CCBⅡ制动机在___状态,自动制动手柄在制动区,如果列车管有泄漏,总风将不会自动给列车管补风。
【填空题】
50.主变压器油泵发生故障隔离时,其对应的___和牵引电动机全部停止工作。
【填空题】
51.当控制风压低时,由___提供升弓所需的风压。
【填空题】
52.合蓄电池开关后,电压不得低于___V。
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53.当使用动力制动时,牵引电动机作为___电机。
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( ) 27. What does the prince do after the fox tells him a secret? A.He cares more about a flower and a sheep. B.He meets many more strange adults on other planets. C.He realizes his love for the rose and he goes back to his planet.   D.He discovers interesting things such as a snake, other roses and a fox
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( ) 30. Why did the father not ask his son not to do this and do that?    A.Because he felt quite confident of his son.    B.Because he was born from a poor family.    C.Because he was a man of few words.    D.Because he didn't want to be much too strict with his son.
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( ) 31. What would someone learn from this passage?    A.How to live by oneself. B.How to stand on one's own feet.    C.What a good father should do. D.What the self-important is like.
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( ) 33. Why did Natalie Smith pay for the six cars behind her? A. She had seven tickets. B. She hoped to please others. C. She knew the car drivers well. D. She wanted to show kindness.
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( ) 34. Judy Foreman copied down the phrase because she ___ . A. thought it was beautifully written B. wanted to know what it really meant C. decided to write it on a warehouse wall D. wanted her husband to put it up in the classroom
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( ) 36. What can we infer from the last paragraph? A. People should practice random kindness to those in need. B. People who receive kindness are likely to offer it to others. C. People should practice random kindness to strangers they meet. D. People who receive kindness are likely to pay it back to the giver.
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( ) 37.The greatest river for navigation is ___________. A. the Nile B. the Amazon C. the Mekong D. the Mississippi
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