皮皮学，免费搜题
登录
搜题
【多选题】
对3～10kV线路相间短路保护装置，应符合( )要求。A.
由电流继电器构成的保护装置，应接于两相电流互感器上，同一网络的所有线路均应装在相同的两
B.
当线路短路使发电厂厂用母线或重要用户母线电压低于额定电压的63%时，以及线路导线截面过小，不允许带时限切除短路时，应快速切除故障
C.
当过电流保护的时限不大于0.5～0.7s时，且没有第三款所列的情况，或没有配合上的要求时，可不瞬动的电流速断保护
D.
后备保护应采用远后备方式
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】you met the Englishman?
A.
Where it was that
B.
Who it was that
C.
Where was it that
D.
Where was that
【单选题】I really don't know _____ I put my wallet. [ ]
A.
where was it
B.
it was where that
C.
where it was that
D.
where was it that
【简答题】简述利率的决定与影响因素。
【单选题】I decided to follow it to see _________.
A.
where it was going
B.
where was it going
C.
what was it going
D.
what it was going
【简答题】简述利率的决定与影响因素。
【单选题】．— you got to know where I was yesterday? —Through a student.
A.
Where was it that
B.
When was it that
C.
How was it that
D.
Was it how that
【简答题】纤维后加工的作用是什么?
相关题目：
参考解析：
知识点：
题目纠错 0
发布
