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[问答题] 应急配电板与主配电板间供电的关系及联系是什么?

价值观()一个人对周围事物的是非、善恶和重要性的()。 ["鉴定","代表","不代表","评价"] Mr.Jones was tired,he will()over his duty of look out to another sailor. ["take","think","hand","get"] Every precaution must be taken to avoid (). ["sparking being taking place","to spark taking place","sparking to be taken place","sparking taking place"] 目前我国行政组织的结构体系是()。 ["A.直线结构","B.横向结构","C.职能结构","D.直线—职能结构"] 讲求效益原则就是通过竞争达到一致,通过竞争形式的合作达到互利,通过竞争从对方承诺中获得自己尽可能多的利益。 应急配电板与主配电板间供电的关系及联系是什么?
参考答案: 应急配电板是电网的一个子系统,在主配电板正常供电时,应急配电板由主配电板供电,当主配电板失电时,应急发电机自动启动、供电。当主配电板恢复供电时,应急发电机主开关自动分闸,应急配电板自动恢复由主配电板供电,应急发电机自动延时停机。

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