GBT 19271.2-2005 雷电电磁脉冲的防护 第2部分：建筑物的屏蔽、内部等电位连接及接地

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1、ICS91.120.40P30巧易中华人民共和国国家标准GB/T19271.2-2005/IECTS61312-2:1999雷电电磁脉冲的防护第2部分:建筑物的屏蔽、内部等电位连接及接地Protectionagainstlightningelectromagneticimpulse(LEMP)一Part2:Shieldingofstructures,bondinginsidestructuresandearthing(IECTS61312-2:1999,IDT)2005-07-29发布2006-04-01实施中华人民共和国国家质量监督检验检疫总局发布中国国

2、家标准化管理委员会GB/T19271.2-2005/IECTS61312-2:1999目次目U舀1总则········，································································，·······················⋯⋯1.1范围····，·········，，，······························，·，····，········································⋯⋯1.2规范性引用文件，······，·····，·····

3、····························，··········.·····.......⋯⋯，⋯⋯1.3术语和定义·····················································.····⋯⋯，···············.........⋯⋯1.4符号·····，，，·，··········-·····，······，，··，，，···、···，，······，，·····，，，，·。··，··，，1一2电磁干扰源及其受害者···················，·······.....····

4、··..............⋯⋯，.⋯，............⋯⋯3格栅形空间屏蔽·······················································⋯⋯，····，·.................⋯⋯3.1邻近雷击情况下的格栅形空间屏蔽，，·······...···⋯⋯，...............⋯⋯，.，，.⋯，...⋯⋯3.2直接雷击情况下的格栅形空间屏蔽·······················.··············........······......⋯⋯3.3围绕LPZ2区及

5、LPZ2以上防雷区的格栅形空间屏蔽3.4格栅形空间屏蔽体内部的磁场强度的实验测定···，·······································，⋯⋯3.5安装规则·································，······················..····⋯⋯，···..................⋯⋯4接地系统，········，······‘···，··，，·········，···，····，，······················，·····，，··········⋯⋯4.1接地装置·

6、·····················，·················································，············⋯⋯4.2等电位连接网络·····················，，···························⋯⋯，..·······..............⋯⋯4.3接地装置与等电位连接网络的组合·，··································，·······.··........⋯⋯4.4屏蔽、等电位连接及接地布局的例子·····⋯⋯，..···

7、····....................................⋯⋯，0附录A(资料性附录)接地与等电位连接的定义，····1·，··········，········，·，，，1············一二门nn附录B(资料性附录)由各种设施构成的环路中感应电压及电流的计算····················，⋯⋯乙曰?nB.1邻近雷击下环路在LPZ1内部时的感应电压及电流··············，·······················⋯⋯﹄八‘esB.2建筑物遭直接雷击下，环路在I-PZI内部时的感应电压及电流·····

8、······················⋯⋯乙9，月B.3环路