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配电室接地怎么设计？谁能说说看？

配电室接地怎么设计？谁能说说看？

浏览：41次 | 提问时间： 07-28 05:24

有人建议我把卫生间原本的多水源，改为单一水源，然后从铝扣板里走管到各个用水设备，说是方便检修，万一出现问题不用挨个水源刨开来看。但是我担心改为单水源会不会出现厕所水箱进水的时候水龙头水压低的情况？多谢各位专家！

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你爱的假我陷的深 07-28 05:25

防雷接地常用的规范有以下两种：GB50057-94《建筑物防雷设计规范》（2000）、GB50343-2004《建筑物电子信息系统防雷技术规范》。防雷接地分为两个概念，一是防雷，防止因雷击而造成损害；二是静电接地，防止静电产生危害。
一、工厂防雷分为整体结构防雷，就是主厂房防雷，主要基础打接地极、接地带，形成一个接地网，接地电阻小于10欧。再与主厂房的钢筋或钢构的主体连接。水泥混凝土屋顶接避雷带或避雷针，墙外地面还得留有接地测试点，钢构应用镀锌扁铁作直接引到屋顶。
二、供电系统接地分为保护接地和工作点接地，保护接地是带电设备外壳接地。工作点接地指零线接地，接地网做法与避雷接地方式一样，接地电阻小于4欧。如达不到要求，则应加接地极，条件不好的，应加电解物及（或）更换土壤。工作接地和保护接地在配电室独立引出，系统可并为一个。工作方式，如地线和零线分开，也可合为一引到用电系统（或设备）。接地系统须重复接地。也有独立分开的方式，TN-S系统。零地不能再合为一。
三、仪器仪表接地系统。该系统接地电阻小于1欧，不能与防雷接地连接。
四、防静电接地，如油管等，每隔（弯头）35米就得有一处可靠接地（可系统也可独立），电阻小于30欧。

看她闹 07-28 05:33

供电系统接地分为保护接地和工作点接地，保护接地是带电设备外壳接地。工作点接地指零线接地，接地网做法与避雷接地方式一样，接地电阻小于4欧。如达不到要求，则应加接地极，条件不好的，应加电解物及（或）更换土壤。工作接地和保护接地在配电室独立引出，系统可并为一个。工作方式，如地线和零线分开，也可合为一引到用电系统（或设备）。接地系统须重复接地。也有独立分开的方式，TN-S系统。零地不能再合为一。仪器仪表接地系统。该系统接地电阻小于1欧，不能与防雷接地连接。防静电接地，如油管等，每隔（弯头）35米就得有一处可靠接地（可系统也可独立），电阻小于30欧。

黑白键演奏誰の忧伤 07-28 05:42

10kV及以下变电所设计规范GB50053－94第二节对建筑的要求第6.2.1条高压配电室宜设不能开启的自然采光窗，窗台距室外地坪不宜低于1.8m；低压配电室可设能开启的自然采光窗。配电室临街的一面不宜开窗。第6.2.2条变压器室、配电室、电容器室的门应向外开启。相邻配电室之间有门时，此门应能双向开启。第6.2.3条配电所各房间经常开启的门、窗，不宜直通相邻的酸、碱、蒸汽、粉尘和噪声严重的场所。第6.2.4条变压器室、配电室、电容器室等应设置防止雨、雪和蛇、鼠类小动物从采光窗、通风窗、门、电缆沟等进入室内的设施。第6.2.5条配电室、电容器室和各辅助房间的内墙表面应抹灰刷白。地（楼）面宜采用高标号水泥抹面压光。配电室、变压器室、电容器室的顶棚以及变压器室的内墙面应刷白。第6.2.6条长度大于7m的配电室应设两个出口，并宜布置在配电室的两端。长度大于60m时，宜增加一个出口。当变电所采用双层布置时，位于楼上的配电室应至少设一个通向室外的平台或通道的出口。第6.2.7条配电所，变电所的电缆夹层、电缆沟和电缆室，应采取防水、排水措施。

独特情趣 07-28 05:50

1）现场勘查；
（2）确定电源进线，变电所或配电室、配电装置、用电设备及线路走向；
（3）进行负荷计算；
（4）选择变电器；
（5）设计配电系统、设计接地装置、绘制临时用电工程图纸（主要包括用电工程总平面图，配电装置布置图，配电系统接线图，接地装置设计图）；
（6）设计防雷装置；
（7）确定防护措施；
（8）制定安全用电措施和电气防火措施。

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