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电力系统二次设备的接地和接地铜排的敷设 被引量:19

Ground of power system secondary equipment and laying of ground copper bars
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摘要 针对各厂站在执行电力系统反事故措施要求的敷设保护专用接地铜排时的不同做法,介绍了变电站主接地网在站内有高压短路接地点时,电压的分布情况;分析了二次设备及电缆的不同接地种类和接地要求,特别指出了对于电缆的屏蔽层的接地问题,提出了敷设二次设备专用接地铜排的具体方法。 To solve the issue that different plants and stations always adopt different methods for protection - purposed ground copper bars laying, the problem of how voltage distributes when high voltage short - circuit ground points of main substation ground network exit within the substation is explained, and the different ground types as well as ground requirements of secondary equipment and cables are analyzed. The ground of the shield layer of cables is specifically expatiated, and the detailed method for ground copper bars laying for secondary equipment is put forward.
作者 李宾皑
出处 《华东电力》 北大核心 2005年第9期60-63,共4页 East China Electric Power
关键词 二次设备 接地 二次电缆 屏蔽层 secondary equipment ground secondary cable shield layer
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