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对某城市老旧小区低压配电系统进行了采样调查发现,大多数老旧小区均存在一定的用电安全隐患。通过建模分析了样本小区低压配电系统的接地形式和电击风险。从经济性和实用性角度出发,对低压配电系统的接地形式、RCD的选用以及卫浴间的电击防护等问题提出了改造建议。
Sampling surveys of low-voltage power distribution systems in old districts of a certain city have found that most of the old districts have potential safety hazards. Through modeling, the grounding form and the risk of electric shock in the low voltage distribution system of the sample plot were analyzed. From the perspective of economical efficiency and practicality, reform proposals are proposed on the grounding form of low-voltage power distribution systems, the selection of RCDs, and electric shock protection in bathrooms.