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1、33門00IMCs04QX中華人民共和國氣象行業(yè)標準OX3-2000氣象信息系統(tǒng)雷擊電磁脈沖防護規(guī)范Technicalspecificationsforprotectingthemeteorologicalinformationsystemfromlightningelectromagneticimpulse2000門1一20發(fā)布2001一01一01實施中國氣象局發(fā)布Qx3-2000目次前言···········?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?。·········。···········?！ぁぁぁぁぁぁ?/p>
2、·················?！ぁぁぁぁぁぁぁぁぁぁぁぁぁ?，··················??皿1范圍······················································································?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??12引用標準····················。········?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?。··········，···················
3、···················??13定義····························································?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??14防護原則·······························································································?！ぁぁぁぁぁぁぁぁ??35雷電防護區(qū)的劃
4、分··················?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??！ぁぁぁぁぁぁぁぁぁぁぁぁぁ??！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??36等電位連接和共用接地·························。。··············································??‘，······??47屏蔽措施和線纜敷設························································
5、·································??78雷擊電涌保護··········。························································································??99防雷裝置的維護和管理·............................................................................................13附錄A(標準的附錄
6、)雷擊風險評估方法·····························································??“?14附錄B(標準的附錄)雷電流···?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??16附錄C(標準的附錄)電涌保護器(SPD)的選擇和安裝···························?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ??19附錄D(標準的附
7、錄)環(huán)路中感應電壓、電流和能量的計算·。···········································??25附錄E(標準的附錄)本規(guī)范用詞說明·····································································??28附錄F(提示的附錄)全國各主要城市雷暴活動日數(shù)(期)···············································一28Qx3-2000前言雷電是一種劇烈的大氣現(xiàn)象。雷電壓可
8、高達數(shù)百萬伏特，瞬間電流可高達數(shù)百千安培。雷擊的電效應、熱效應和機械力常造成火災、建筑物損壞和人身傷亡等災害。雷擊電磁脈沖常對信息系統(tǒng)造成干擾和破壞，對操作人員造成危害特別是近年來隨著氣象臺站的現(xiàn)代化水平的顯著提高，大量的自動化儀器、新一代天氣雷達、氣象衛(wèi)星通信、衛(wèi)星接收和傳輸系統(tǒng)以及大型計算機設備和網絡的投人使用，這些信息系統(tǒng)的集成化程度與對雷擊敏感度水平
