重复接地就是在中性点直接接地的系统中,在零干线的一处或多处用金属导线连接接地装置。在低压三相四线制中性点直接接地线路中,施工单位在安装时,应将配电线路的零干线和分支线的终端接地,零干线上每隔1千米做一次接地。对于接地点超过30米的配电线路,接入用户处的零线仍应重复接地,重复接地电阻应不大于4欧。
... 保护接地protective earthing 重复接地iterative earthing 故障接地fault earthing ...
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... 工作接地working ground connection 重复接地iterative ground connection 接地体earth lead ...
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... 工作接地 Working grounding working earthing 重复接地 Multiple earthing 屏蔽接地 Screen earthing shielding ground ...
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...- xzbu.com 中国论文网 关键词:重复接地、TN-C系统、TN-S系统、TN-C-S系统、总等电位 [gap=220]Key words: multiple grounding; TN-C system; TN-S system; TN-C-S system; total equalpotential ..
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重复接地电阻 RC
·2,447,543篇论文数据,部分数据来源于NoteExpress
安设避雷设备的设备,除应做好维护接零外,还有必要按规则做重复接地。
We will install lightning protection equipment equipment, should maintain the ground zero, as well as necessary according to the rules do repeat grounding.
根据国外普遍采用重复接地TN C S系统的情况,分析重复接地电阻的主要作用、取值等有关问题,供建筑供电设计参考。
According to the re-earthing TN-C-S system adopted usually by foreign country, the paper analyses main function, value etc. of re-earthing resistance. These respects can be referenced for designer.
生成的盒型图标注了各种所需的尺寸数值,设计者可以直接地修改原有盒型尺寸,无需重复制图。
The box shape pictures generated are marked with different values of dimensions required, so designers can directly modify original dimensions of boxes without necessary repeated drawing.
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