| 雷电防护等级确定方法探讨 |
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| 引用本文： | 李慧.雷电防护等级确定方法探讨[J].建筑电气,2010,29(9):66-72. |
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| 作者姓名： | 李慧 |
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| 作者单位： | 中国建筑西南设计研究院有限公司,成都市,610081 |
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| 摘 要： | 采用GB50343-2004《建筑物电子信息系统防雷技术规范》和GB/T 21714-2008/IEC 62305:2006《雷电防护》的方法计算建筑物及入户设施的年预计雷击次数N,依据GB 50343-2004的雷电风险简易评估方法计算出防雷装置的拦截效率E从而确定雷电防护等级。通过比较计算结果,总结影响雷电防护等级的主要因素,从而判断雷电风险简易评估方法的合理性。
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| 关 键 词： | 雷击风险评估 雷电防护等级 年预计雷击次数N 拦截效率E |
Discussion on the Method for Determining the Lightning Protection Level |
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| Li Hui.Discussion on the Method for Determining the Lightning Protection Level[J].Building Electricity,2010,29(9):66-72. |
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| Authors: | Li Hui |
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| Affiliation: | Li Hui(China Southwest Architectural Design and Research Institute CORP.LTD,Chengdu 610081,China) |
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| Abstract: | The annual estimated lightning stroke number N of building and household facilities is calculated by using methods in GB 50343-2004 Technical Code for Protection against Lightning of Building Electronic Information System and in GB /T 21714-2008 /IEC 62305：2006 Protection against Lightning;and the interception efficiency E of lightning protection devices is calculated according to the simple lightning risk assessment method in GB 50343-2004,and then the level of lightning protection is determined.By comparing the results,the main factors affecting the lightning protection levels can be found out,thus the rationality of the simple lightning risk assessment method is determined. |
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| Keywords: | Lightning risk assessment Lightning protection level Annual estimated lightning stroke number N Interception efficiency E |
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