【多选题】
AC21的触发信号有_________
A. EP
B. ATWS
C. 所有主泵全停
D. 主泵运行环路的热腿温度小于274度
E. PP1信号长于5秒
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答案
ABCDE
解析
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相关试题
【多选题】
机组功率>75%Nnom的情况下,以下信号中会触发APP保护动作的是_________
A. 发电机出口开关断开
B. 机组孤岛运行
C. 多于两个主汽门关闭
D. 主给水流量与反应堆功率严重不匹配
【多选题】
DC11中启动KAA系统的信号有_________
A. 一回路饱和温度与任一环路热段温度之差小于10℃
B. 安全壳内压力大于0.129MPa
C. 来自CA11命令
D. 来自CD15命令
【多选题】
造成正反应性误引入事故的初始事件有哪些_________
A. 硼酸浓度的误稀释
B. 控制棒组件的不可控上移
C. 控制棒组件从堆芯弹出
D. 主蒸汽快速隔离阀的误关闭
【多选题】
以下信号中,触发第一类预保护(PP1)动作的信号有_________
A. 中子通量变化周期小于20s
B. 一回路热段(1v4)温度高于323℃
C. 堆芯上部压力大于16.2MPa
D. 主蒸汽集管压力大于6.86MPa
【多选题】
以下信号中,触发第二类预保护(PP2)动作的信号有_________
A. 堆芯上部压力大于16.2MPa
B. 燃料棒线功率密度大于max1(max1=PP1限值×0.98)
C. 偏离泡核沸腾裕度DNBR小于min1(min1=1.35)
D. 单束控制棒落入堆芯
【多选题】
功率运行时一定引起跳堆的事件_________
A. 切除三台主泵
B. 控制棒驱动机构380V电源丧失,延时3秒
C. SGTR
D. 汽轮机停机
【多选题】
发生误稀释事故时,触发“反应堆紧急停堆”保护动作信号有_________
A. 反应堆周期<10s
B. 反应堆功率大于操纵员设定的功率限值
C. 反应堆功率大于根据反应堆冷却剂泵运行状态自动生成的功率限值
D. 最大线功率密度超过限值
【多选题】
控制棒意外落棒事故,可能触发“反应堆紧急停堆”保护动作信号有_________
A. 反应堆周期<10s
B. 反应堆功率>75%时,一回路压力小于14.7MPa
C. 一回路热段温度大于260℃时,没有cooldown时一回路压力<13.73MPa
D. 一回路热段温度大于328℃
【多选题】
发生SGTR启动JDH系统后,当满足下列条件之一,JDH泵停运___
A. P1k <7.5MPa(H=0.5MPa)
B. JDH泵启动信号存在,但稳压器液位>9.4m(H=0.1m)
C. SGTR信号消失后,操纵员手动复位
D. KAA泵停运
【多选题】
下列属于CE11“地震时系统隔离”动作的是:___
A. 关闭蒸汽发生器主给水
B. 关闭LBA10-40AA501,101,102
C. 关闭LCU正常供应,即关闭LCU02,03AA103,LCU00AA101
D. 关闭SGC02向非抗震厂房的供给
【多选题】
关于安全壳一级隔离的说法哪些是正确的:___
A. 安全壳内压力大于0.105MPa,信号消失后即可复位
B. 安全壳内放射性水平大于Max1,信号保持10min后可复位
C. 操纵员手动触发,可以立即复位
【多选题】
触发安全壳一级隔离的命令有:___
A. 安全壳内压力大于0.105MPa
B. 安全壳内放射性水平大于Max1
C. 安全壳内放射性水平大于Max2
D. 操纵员手动触发
【多选题】
SGTR后,在开启非事故蒸汽发生器大气释放阀信号消失的前提下,何时将其转为维持压力工况___
A. 一回路压力小于7.9Mpa
B. 手动
C. 蒸汽发生器压力低于4.9Mpa
D. 蒸汽发生器压力低于5.0Mpa
【多选题】
CD15保护动作的结果是___
A. 启动JDH泵对堆芯应急注硼
B. 发信号至DC11,DC12,启动KAA,PEB
C. 停运JEF电加热器
D. 关闭KBA60AA110和KBA69AA101
【多选题】
关于发生SGTR时蒸汽发生器的隔离的说法哪些是正确的___
A. 关闭所有蒸汽发生器的汽侧阀门LBA10、20、30、40AA501,101,102
B. 关闭事故蒸汽发生器的大气释放阀LBU10(20,30,40)201和前置隔离阀LBU10(20,30,40)AA101
C. 关闭事故蒸汽发生器排污阀门LCQ15(25,35,45)AA801、802;LCQ16(26,36,46)AA801、802
D. 关闭事故蒸汽发生器给水阀门LAB10(20,30,40)AA111、113、801
【多选题】
CB12安全壳二级隔离时,将安全壳隔离阀分成四组,分别为:___
A. 无延时关闭a组
B. 延时11秒关闭a组
C. 无延时关闭b组
D. 延时11秒关闭b组
【多选题】
CD15发生SGTR时强制降低一回路压力 功能完成准则为___
A. JDH至少两列运行
B. 向稳压器汽空间喷淋的JDH水流量不低于8Kg/S
C. 硼酸浓度不低于40g/l
D. 降低一回路压力到7.5兆帕
【多选题】
触发CD21(切除相应环路主泵)信号有___
A. 隔离故障蒸汽发生器水侧信号(CD12)
B. SGTR隔离信号(CD13)
C. 一回路热腿温度大于260℃时,误关闭主蒸汽快速隔离阀
D. 一回路热腿温度大于260℃时,单台SG液位低于正常液位0.5m,并且没有两台SG液位低于正常液位0.3m。
【多选题】
发生SGTR启动JDH系统后,JDH泵何时切除___
A. 一回路压力小于7.9MPa
B. SGTR信号消失后,操纵员手动复位
C. JDH泵启动信号存在,但稳压器液位超过9.4m
D. 一回路压力小于7.5MPa
【多选题】
当安全壳一级隔离CB11动作时,动作命令有___
A. 关闭KLD10AA801~804
B. 关闭KLD20AA801~804
C. 关闭KTF40AA801
D. 关闭KTF60AA801,802
【多选题】
下列属于CE11“地震时系统隔离”动作的是___
A. 关闭LBA10-40AA501,101,102
B. 关闭SG排污LCQ15,16AA801,802
C. 关闭一回路下泄阀门KBA11,12AA101,102
D. 关闭所有安全壳隔离阀
【多选题】
触发化学喷淋的信号有___
A. 安全壳内压力和放射性水平分别大于0.129MPa和Max2
B. 不是由于二回路导致的安全壳压力大于0.167MPa
C. 操纵员手动触发
【多选题】
复位化学喷淋的信号有___
A. 安全壳内压力小于0.09MPa
B. 触发化学喷淋信号25min后
C. 操纵员手动触发
【多选题】
CB12动作后,关于信号复位描述正确的包括___
A. 事故信号持续30min后,才能复位2a组
B. 事故触发信号消失后,才能复位2b组
C. 事故触发信号消失后,才能复位2a组
D. 事故信号持续30min后,才能复位2b组
【多选题】
启动BD11保护信号有(与门)___
A. 蒸汽发生器液位低于正常液位0.9m
B. 任一环路热段温度大于150
C. 没有隔离故障蒸汽发生器水侧信号CD12
D. 蒸汽发生器液位低于正常液位0.65m
【多选题】
事故情况下启动辅助给水泵,自动打开的阀门有___
A. LAB10-40AA111
B. LAH30AA101(高加后)
C. LAH31AA101(高加前)
D. LAB10-40AA113
【多选题】
下列蒸汽发生器液位相关逻辑正确的有:___
A. 当汽轮机主汽门打开,蒸汽发生器液位高于设定值 0.15 m,关闭蒸汽发生器液位调节阀门LAB10(20,30,40)AA211、212。
B. 当蒸汽发生器液位高于设定值 0.3 m,关闭液位调节阀门前的截止阀LAB10(20,30,40)AA111、113和隔离阀门LAB10(20,30,40)AA801。
C. 当蒸汽发生器的液位下降到比正常液位高 0.08m 时,重新打开液位调节阀门前的截止阀LAB10(20,30,40)AA111、113和隔离阀门LAB10(20,30,40)AA801。
D. 当一回路任意热段温度大于260℃时,蒸汽发生器液位高于正常液位 0.45m ;或者当出现任意停堆跳堆信号时,汽轮机保护跳闸。
【多选题】
关闭蒸汽发生器排污阀门(BD22)的信号有:___
A. 蒸汽发生器液位低于正常液位300mm;
B. 反应堆功率小于额定功率的30%;
C. 一回路温度大于150℃;
D. 蒸汽发生器排污系统扩容箱液位大于0.62m。
【多选题】
关于BE24保护描述正确的是___
A. 保护中涉及到得阀门是通过硬接线方式与后备盘连接的;
B. 只能在后备盘中操作JEF15AA101,102或KTB20AA103,113,123;
C. OM画面上也能操作JEF15AA101,102或KTB20AA103,113,123;
D. 该保护的目的是紧急情况下给一回路降压;
【多选题】
关于BE25保护描述正确的是___
A. 触发信号是反应堆上部压力大于18.6MPa,且两个热腿冷却剂温度大于278℃。
B. 会启动辅助给水泵
C. 开启LAB10-40AA113/212
D. 切除汽机
【多选题】
DA21信号动作后逻辑顺序如下_________
A. BDA(BDC)电压<2.52KV延时2秒
B. 根据分级启动程序投入用户
C. 当柴油机转速>1000rpm&柴油发电机出口电压>6.3KV时合Q5
D. 断开Q3,Q4并且启动相应通道的机组柴油机
【多选题】
AB22――第二类预保护PP1触发条件_________
A. 工作量程测得的中子通量变化周期小于40s
B. 工作量程测得的中子通量密度超过允许值1.5%
C. 堆芯上部压力大于16.2MPa
D. 单束控制棒落入堆芯(&没有APP信号)
【多选题】
可能引起反应堆功率限制AB24动作的事件有_________
A. 切除主泵
B. 汽轮机主蒸汽阀关闭
C. 失去正常给水
D. 误稀释导致功率上升
【判断题】
BA11动作后会打开JNK10/40AA101/102,防止JNK水箱出现负压现象
A. 对
B. 错
【判断题】
当操纵员从后备盘手动触发BA11功能时,相应通道的KAA并不会自动启动
A. 对
B. 错
【判断题】
手动触发BA11、BA12时,随时均可在后备盘进行复位
A. 对
B. 错
【判断题】
二回路的破口造成安区壳内压力升高不触发BA11
A. 对
B. 错
【判断题】
BA13动作,转地坑运行后,一回路压力>2.0MPa,会停运JNG10-40AP001
A. 对
B. 错
【判断题】
当低压安注转地坑运行之后,低压安注再循环管线阀门将被关闭。低压安注泵的压头为1.5MPa,如果堆芯上部压力大于2.0MPa,将不能保证泵的最小工作流量,这样将会造成泵体损伤,所以要停泵
A. 对
B. 错
【判断题】
一回路小于280℃后,BA21中稳压器液位定值为5.1米
A. 对
B. 错
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