JT556-2004港口防雷与接地技术要求.pdf

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1、i中华lk民共和国交通行」卫标准JT556-2004,JT/T557-2004港口防雷与接地技术要求港口装卸区域照明照度及测量方法2004-06-03发布2004-09-01实施中华人民共和国交通部发布ICS03.220.40R09备案号:了中华Ik民共和国交通行」k标准JT556-2004港口防雷与接地技术要求Technicalrequirementsoflightmngproofandearthingintheport2004-06-03发布2004-09-01实施中华人民共和国交通部发布JT5

2、6-2004目次前言····························，·····················，，，，····················4·，···，·，·······················，，·⋯41范围················，·····························，····························，，····························，··⋯52规范性引用文件··········

3、··································································⋯⋯’“’“’·⋯⋯53术语和定义································································，····························⋯⋯54一般规定······，································，···，························

4、·····························，·，⋯75铁塔及港口室外装卸设备························，·，··············。······，··············⋯⋯“·“““”””86供电系统··············，·····························，···················，，，·························一97信息系统·············，··············

5、······‘···，，，，，················································‘··，，，，108粮食筒仓设施·······························································，···························⋯⋯139油品储运设施·······································································

6、······················，··⋯1310易燃易爆货物储运····························，························································一1511防雷装置·····························································。·····，························。···，⋯1612检测要求。··，，·····，··，

7、·，···········，，，，，，，，······‘。··········，··，，，，·········。，，，，，·22附录A(规范性附录)建筑物年预计雷击次数计算········，···········，，，，，······················⋯⋯23附录B(规范性附录)雷电防护区(LPZ)··‘·，，，···························，···························，，二24附录以规范性附录)综合布线间距·············

8、········································，··········⋯⋯25附录D(资料性附录)接地装置冲击接地电阻与工频接地电阻的换算························⋯⋯26附录E(资料性附录)设备额定耐冲击电压参考值················································⋯⋯28JT5,56-2以科前言本标准的4.3,4.7,5.1.1,5.1.5,5.2.2,5.2.4,5