QX 3-2000气象信息系统雷击电磁脉冲防护规范.pdf

33门00 MIC0s4 QX 中华 人 民共和 国气 象行业标 准 OX3-2000 气象信息系统雷击电磁脉冲防护规范 Technicalspecificationsforprotectingthemeteorological informationsystemfromlightningelectromagneticimpulse 2000门1一20发布 2001一01一01实施 中 国气 象局 发 布 Qx 3-2000 目 次 前言 ···········。·····················。·········。···········。························。··············，··················…… 皿 1 范围 ·······················································································。·······················…… 1 2 引用标准 ····················。········。·························。··········，······································…… 1 3 定义 ····························································。··················································…… 1 4 防护原则 ·······························································································。·········…… 3 5雷电防护区的划分··················。····························。··············。······························……3 6等电位连接和共用接地·························。。··············································……‘，······……4 7屏蔽措施和线缆敷设·························································································…… 7 8 雷击电涌保护 ··········。························································································…… 9 9 防雷装置的维护和管理· 13 附录A(标准的附录)雷击风险评估方法 ·····························································…… “…14 附录B(标准的附录)雷电流···。·············································································……16 附录C(标准的附录) 电涌保护器(SPD)的选择和安装 ···························。····················……19 附录D(标准的附录) 环路中感应电压、电流和能量的计算·。···········································……25 附录E(标准的附录)本规范用词说明 ·····································································……28 附录F(提