单选题:某35kV变电所中设两台主变压器,每台变压器配置1组电容器补偿装置,电抗率为12%,35kV母线短路容量为500MVA, 题目分类:发输变电专业知识 题目类型:单选题 查看权限:VIP 题目内容: 某35kV变电所中设两台主变压器,每台变压器配置1组电容器补偿装置,电抗率为12%,35kV母线短路容量为500MVA,已运行的补偿容量为12Mvar,由于负荷波动,每次自动投入的分组补偿容量为334kvar,请问电容器组投人时的涌流标幺值为下列哪项数值?( ) A.3.82 B.8.31 C.3.88 D.8.39 参考答案: 答案解析:
One of the following disadvantages of traveling as an air co One of the following disadvantages of traveling as an air courier is that he___ 分类:发输变电专业知识 题型:单选题 查看答案
In Bargh's experiment, the students were asked to__________. In Bargh's experiment, the students were asked to__________.A.rate someone's per 分类:发输变电专业知识 题型:单选题 查看答案
在事故放电情况下,蓄电池出口端电压和在均衡充电运行情况下的直流母线电压应满足下列哪组要求?请给出计算过程。( ) 在事故放电情况下,蓄电池出口端电压和在均衡充电运行情况下的直流母线电压应满足下列哪组要求?请给出计算过程。( )A.不低于187V,不高于254V B.不低于 分类:发输变电专业知识 题型:单选题 查看答案
当计算风速小于6m/s时,可以采用下列哪项措施来消除管母微风振动?并简述理由。( ) 当计算风速小于6m/s时,可以采用下列哪项措施来消除管母微风振动?并简述理由。( )A.加大铝管内径 B.母线采用防振支撑 C.在管内加装阻尼线 D.采用短托 分类:发输变电专业知识 题型:单选题 查看答案
I don't think we can finish all the work before Friday, ____ I don't think we can finish all the work before Friday, __________? A.do I B.can 分类:发输变电专业知识 题型:单选题 查看答案