清泰棋牌app

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                        《交流电气装置的接地设计规范》GB/T 50065-2011

                        58778

                         前 言

                        前 言


                        BENGUIFANSHIGENJUYUANJIANSHEBU《GUANYUYINFA<ER00SINIANGONGCHENGJIANSHEGUOJIABIAOZHUNZHIDING、XIUDINGJIHUA>DETONGZHI》(JIANBIAO[2004]67HAO)DEYAOQIU,YOUZHONGGUODIANLIKEXUEYANJIUYUANHUITONGYOUGUANDANWEIDUIYUANGUOJIABIAOZHUN《GONGYEYUMINYONGDIANLIZHUANGZHIDEJIEDISHEJIGUIFAN》GBJ 65—83JINXINGXIUDINGERCHENGDE。

                        BENGUIFANZAIXIUDINGGUOCHENGZHONG,XIUDINGZUJINGGUODIAOCHAYANJIU,GUANGWEISOUJIJINNIANLAISUIZHEDIANLIXITONGDEFAZHANDUIDIANQIGONGCHENGZHONGJIAOLIUDIANQIZHUANGZHIJIEDIJISHUTICHUDEXINYAOQIUYIJIXIANGGUANKEYANCHENGGUOHEGONGCHENGDESHIJIANJINGYAN,ZAIYUANYOUBIAOZHUNDEJICHUSHANGZENGTIANLEXUDUOXINDENEIRONG。ZAIRENZHENCHULIZHENGQIUYIJIANGAOFANKUIYIJIANHOUTICHUSONGSHENGAO,ZUIHOUJINGSHENCHADINGGAO。

                        BENGUIFANGONGFEN8ZHANGHE9GEFULU,ZHUYAOJISHUNEIRONGBAOKUO:ZONGZE,SHUYU,GAOYADIANQIZHUANGZHIJIEDI,FADIANCHANGHEBIANDIANZHANDEJIEDIWANG,GAOYAJIAKONGXIANLUHEDIANLANXIANLUDEJIEDI,GAOYAPEIDIANDIANQIZHUANGZHIDEJIEDI,DIYAXITONGJIEDIXINGSHI、JIAKONGXIANLUDEJIEDI、DIANQIZHUANGZHIDEJIEDIDIANZUHEBAOHUZONGDENGDIANWEILIANJIEXITONG,DIYADIANQIZHUANGZHIDEJIEDIZHUANGZHIHEBAOHUDAOTIDENG。

                        清泰棋牌appBENGUIFANBENCIXIUDINGDEZHUYAONEIRONGSHI:

                        1.DUIBENGUIFANDESHIYONGFANWEIZUOLEXIUDING,YOUSHIYONGYU35kVJIYIXIA,KUODADAOSHIYONGYU750kVJIYIXIADIANYADENGJI。TONGSHIYOUYUJIEDIYAOQIUDEBUTONG,JIANGJIAOLIUDIANQIZHUANGZHIANXITONGBIAOCHENGDIANYADEQUBIEHUAFENWEIGAOYA(1kVYISHANGZHI750kV)HEDIYA(1kVJIYIXIA)DIANQIZHUANGZHI。

                        2.GENJUTIAOWENNEIRONGDEXIUDING,SHIDANGZENGJIALESHUYU。

                        3.GUIDINGLEJIEDIDEZHONGLEI。SUIZHEBENGUIFANSHIYONGFANWEIDEKUODA,YEJIANGGAOYADIANQIZHUANGZHIDEBAOHUJIEDIDEFANWEIJIAYIKUODA。

                        4.TICHULE110kVJIYISHANGBIANDIANZHANJIEDIWANGSHEJIDEYIBANYAOQIU。DUIYOUXIAOJIEDIXITONGBIANDIANZHANJIEDIWANGTICHULEDIDIANWEISHENGGAODEXIANZHIHEJUNYAYAOQIU。ZHENDUIJIEDIZHUANGZHIFANGFUSHIYAOQIUYINRULETONGHETONGFUGANGCAILIAO。BUCHONGLEJUYOUQITIJUEYUANJINSHUFENGBIKAIGUANSHEBEI(GIS)BIANDIANZHANDEJIEDI,YIJIFADIANCHANGHEBIANDIANZHANLEIDIANBAOHUYUFANGJINGDIANDEJIEDIYAOQIU。

                        清泰棋牌app5.DUIGAOYAJIAKONGXIANLUHEDIANLANXIANLUDEJIEDIZUOCHULEGUIDING。

                        清泰棋牌app6.DUIGAOYAPEIDIANDIANQIZHUANGZHIDEJIEDIZUOCHULEGUIDING。

                        清泰棋牌app7.CANZHAOIECYOUGUANBIAOZHUNHEXIANXINGGUOJIABIAOZHUNTICHUDIYAXITONGJIEDIXINGSHI、JIAKONGXIANLUDEJIEDI、DIYADIANQIZHUANGZHIDEJIEDIDIANZUHEBAOHUZONGDENGDIANWEILIANJIEDEGUIDING。

                        8.CANZHAOIECYOUGUANBIAOZHUNHEXIANXINGGUOJIABIAOZHUNTICHUDIYADIANQIZHUANGZHIDEJIEDIZHUANGZHIHEBAOHUDAOTIDEYAOQIU。

                        BENGUIFANYOUZHUFANGHECHENGXIANGJIANSHEBUFUZEGUANLI,YOUZHONGGUODIANLIQIYELIANHEHUIBIAOZHUNHUAGUANLIZHONGXINFUZEJUTIGUANLI,YOUZHONGGUODIANLIKEXUEYANJIUYUANFUZEJUTIJISHUNEIRONGDEJIESHI。BENGUIFANZAIZHIXINGGUOCHENGZHONG,QINGGEDANWEIJIEHEGONGCHENGSHIJIAN。RENZHENZONGJIEJINGYAN,RUYOUYIJIANHUOJIANYIQINGJISONGZHONGGUODIANLIKEXUEYANJIUYUAN(DIZHI:BEIJINGSHIHAIDIANQUXIAOYINGDONGLU15HAO;YOUZHENGBIANMA:100192),YIBIANJINHOUXIUDINGSHICANKAO。

                        BENGUIFANZHUBIANDANWEI、CANBIANDANWEI、ZHUYAOQICAORENHEZHUYAOSHENCHAREN:

                        主编单位:中国电力科学研究院

                        参编单位:清华大学

                        主要起草人:杜澍春 陆家榆 何金良 鞠 勇 郭 剑 葛 栋 曾 嵘

                        主要审查人:方 静 王 茁 陈俊章 李 晖 董晓辉 梁学宇 曾小超 陈宏明 彭 勇 黄宝莹 丁 杰 马静波 张惠寰 巴 涛 韩敬军 刘庆时 王荣亮 陆宠惠 刘稳坚 陈光华 王碧云 王厚余 黄妙庆 刘 继

                        1总 则

                        1 总 则

                        1.0.1 为使交流电气装置的接地设计在电力系统运行和故障时能保证电气装置和人身的安全,做到技术先进、经济合理,制定本规范。
                        ▼ 点击展开条文说明

                        1.0.2 本规范适用于交流标称电压1kV以上至750kV发电、变电、送电和配电高压电气装置,以及1kV及以下低压电气装置的接地设计。
                        ▼ 点击展开条文说明

                        1.0.3 交流电气装置的接地设计,应遵循规定的设计步骤。设计方案、接地导体(线)和接地极材质的选用等,应因地制宜。土壤情况比较复杂地区的重要发电厂和变电站的接地网,宜经经济技术比较后确定设计方案。
                        ▼ 点击展开条文说明

                        1.0.4 交流电气装置的接地设计,除应符合本规范外,尚应符合国家现行有关标准的规定。
                        ▼ 点击展开条文说明

                        2术 语

                        2 术 语
                        ▼ 点击展开条文说明

                        清泰棋牌app 2.0.1 JIEDI earth

                        清泰棋牌app ZAIXITONG、ZHUANGZHIHUOSHEBEIDEJIDINGDIANYUJUBUDIZHIJIANZUODIANLIANJIE。

                        清泰棋牌app 2.0.2 XITONGJIEDI system earthing

                        DIANLIXITONGDEYIDIANHUODUODIANDEGONGNENGXINGJIEDI。

                        2.0.3 BAOHUJIEDI protective earthing

                        清泰棋牌app WEIDIANQIANQUAN,JIANGXITONG、ZHUANGZHIHUOSHEBEIDEYIDIANHUODUODIANJIEDI。

                        清泰棋牌app 2.0.4 LEIDIANBAOHUJIEDI lightning protective earthing

                        WEILEIDIANBAOHUZHUANGZHI(BILEIZHEN、BILEIXIANHEBILEIQIDENG)XIANGDADIXIEFANGLEIDIANLIUERSHEDEJIEDI。

                        2.0.5 FANGJINGDIANJIEDI static protective earthing

                        清泰棋牌app WEIFANGZHIJINGDIANDUIYIRANYOU、TIANRANQIZHUGUANHEGUANDAODENGDEWEIXIANZUOYONGERSHEDEJIEDI。

                        2.0.6 JIEDIJI earthing electrode

                        清泰棋牌app MAIRUTURANGHUOTEDINGDEDAODIANJIEZHI(RUHUNNINGTUHUOJIAOTAN)ZHONGYUDADIYOUDIANJIECHUDEKEDAODIANBUFEN。

                        2.0.7 JIEDIDAOTI(XIAN) earthing conductor

                        清泰棋牌app ZAIXITONG、ZHUANGZHIHUOSHEBEIDEJIDINGDIANYUJIEDIJIHUOJIEDIWANGZHIJIANTIGONGDAODIANTONGLUHUOBUFENDAODIANTONGLUDEDAOTI(XIAN)。

                        清泰棋牌app 2.0.8 JIEDIXITONG earthing system

                        XITONG、ZHUANGZHIHUOSHEBEIDEJIEDISUOBAOHANDESUOYOUDIANQILIANJIEHEQIJIAN。

                        清泰棋牌app 2.0.9 JIEDIZHUANGZHI earth connection

                        清泰棋牌app JIEDIDAOTI(XIAN)HEJIEDIJIDEZONGHE。

                        清泰棋牌app 2.0.10 JIEDIWANG earth-electrode network

                        JIEDIXITONGDEZUCHENGBUFEN,JINBAOKUOJIEDIJIJIQIXIANGHULIANJIEBUFEN。

                        清泰棋牌app 2.0.11 JIZHONGJIEDIZHUANGZHI concentrated earth connection;concentrated grounding connection

                        WEIJIAQIANGDUILEIDIANLIUDESANLIUZUOYONG、JIANGDIDUIDIDIANWEIERFUSHEDEFUJIAJIEDIZHUANGZHI,FUSHE3GEN~5GENCHUIZHIJIEDIJI。ZAITURANGDIANZULVJIAOGAODEDIQU,ZEFUSHE3GEN~5GENFANGSHEXINGSHUIPINGJIEDIJI。

                        清泰棋牌app 2.0.12 JIEDIDIANZU earthing resistance

                        ZAIJIDINGPINLVXIA,XITONG、ZHUANGZHIHUOSHEBEIDEJIDINGDIANYUCANKAODIZHIJIANDEZUKANGDESHIBU。

                        清泰棋牌app 2.0.13 GONGPINJIEDIDIANZU power frequency earthing resistance

                        GENJUTONGGUOJIEDIJILIURUDIZHONGGONGPINJIAOLIUDIANLIUQIUDEDEDIANZU。

                        2.0.14 CHONGJIJIEDIDIANZU impulse earthing resistance

                        GENJUTONGGUOJIEDIJILIURUDIZHONGCHONGJIDIANLIUQIUDEDEJIEDIDIANZU(JIEDIJISHANGDUIDIDIANYADEFENGZHIYUDIANLIUDEFENGZHIZHIBI)。

                        清泰棋牌app 2.0.15 DIDIANWEISHENGGAO earth potential rise

                        DIANLIUJINGJIEDIZHUANGZHIDEJIEDIJILIURUDADISHI,JIEDIZHUANGZHIYUCANKAODIZHIJIANDEDIANWEICHA。

                        清泰棋牌app 2.0.16 JIECHUDIANWEICHA touch potential difference

                        JIEDIGUZHANG(DUANLU)DIANLIULIUGUOJIEDIZHUANGZHISHI,DADIBIAOMIANXINGCHENGFENBUDIANWEI,ZAIDIMIANSHANGDAOSHEBEISHUIPINGJULIWEI1.OmCHUYUSHEBEIWAIQIAO、JIAGOUHUOQIANGBILIDIMIANDECHUIZHIJULI2.OmCHULIANGDIANJIANDEDIANWEICHA。

                        2.0.17 ZUIDAJIECHUDIANWEICHA maximal touch potential difference

                        JIEDIWANGKONGZHONGXINDUIJIEDIWANGJIEDIJIDEZUIDADIANWEICHA。

                        2.0.18 KUABUDIANWEICHA step potential difference

                        清泰棋牌app JIEDIGUZHANG(DUANLU)DIANLIULIUGUOJIEDIZHUANGZHISHI,DIMIANSHANGSHUIPINGJULIWEI1.OmDELIANGDIANJIANDEDIANWEICHA。

                        清泰棋牌app 2.0.19 ZUIDAKUABUDIANWEICHA maximal step potential difference

                        清泰棋牌app JIEDIWANGWAIDEDIMIANSHANGSHUIPINGJULI1.OmCHUDUIJIEDIWANGBIANYUANJIEDIJIDEZUIDADIANWEICHA。

                        2.0.20 ZHUANYIDIANWEI diverting potential

                        清泰棋牌app JIEDIGUZHANG(DUANLU)DIANLIULIUGUOJIEDIXITONGSHI,YOUYIDUANYUJIEDIXITONGLIANJIEDEJINSHUDAOTICHUANDIDEJIEDIXITONGDUICANKAODIZHIJIANDEDIANWEI。

                        2.0.21 WAILUKEDAODIANBUFEN exposed conductive part

                        清泰棋牌app SHEBEISHANGNENGCHUJIDAODEKEDAODIANBUFEN,TAZAIZHENGCHANGQINGKUANGXIABUDAIDIAN,DANZAIJIBENJUEYUANSUNHUAISHIHUIDAIDIAN。

                        清泰棋牌app 2.0.22 WAIJIEKEDAODIANBUFEN extraneous conductive part

                        FEIDIANQIZHUANGZHIDE,QIEYIYUYINRUDIANWEIDEKEDAODIANBUFEN,GAIDIANWEITONGCHANGWEIJUBUDIANWEI。

                        2.0.23 ZHONGXINGDAOTI neutral conductor

                        DIANQISHANGYUZHONGXINGDIANLIANJIEBINGNENGYONGYUPEIDIANDEDAOTI。

                        2.0.24 BAOHUDAOTI protective conductor(PE)

                        清泰棋牌app WEILEANQUANMUDESHEZHIDEDAOTI。

                        清泰棋牌app 2.0.25 BAOHUZHONGXINGDAOTI PEN conductor(PEN)

                        JUYOUZHONGXINGDAOTIHEBAOHUDAOTILIANGZHONGGONGNENGDEDAOTI。

                        2.0.26 DENGDIANWEILIANJIE equipotential bonding

                        清泰棋牌app WEIDADAODENGDIANWEI,DUOGEKEDAODIANBUFENJIANDEDIANLIANJIE。

                        2.0.27 BAOHUZONGDENGDIANWEILIANJIEXITONG protective equipotential bonding system(PEBS)

                        YONGYUBAOHUDEWEISHIXIANKEDAODIANBUFENZHIJIANDEDENGDIANWEILIANJIEERJIANGZHEIXIEBUFENXIANGHULIANJIE。

                        2.0.28 ZHILIUPIANYI dc offset

                        DIANLIXITONGZANTAIQINGKUANGXIA,SHIJIDIANLIUYUDUICHENGDIANLIUBOXINGZHIJIANDECHAYI。

                        清泰棋牌app 2.0.29 JIEDIGUZHANGDUICHENGDIANLIUYOUXIAOZHI effective symmetrical ground fault current

                        JIEDIGUZHANGSHIJIAOLIUDIANLIUYOUXIAOZHI。

                        2.0.30 JIEDIGUZHANGBUDUICHENGDIANLIUYOUXIAOZHI effective asymmetrical ground fault current

                        清泰棋牌app JIJIZHILIUDIANLIUFENLIANGSHUZHIJIQISHUAIJIANTEXINGYINGXIANGDEBUDUICHENGDIANLIUDEDENGJIAYOUXIAOZHI。

                        2.0.31 SHUAIJIANXISHU decrement factor

                        清泰棋牌app JIEDIJISUANZHONG,DUIJIEDIGUZHANGDIANLIUZHONGDUICHENGFENLIANGDIANLIUYINRUDEXIAOZHENGXISHU,YIKAOLVDUANLUDIANLIUDEGUOCHONGXIAOYING。SHUAIJIANXISHUDfWEIJIEDIGUZHANGBUDUICHENGDIANLIUYOUXIAOZHIIfYUJIEDIGUZHANGDUICHENGDIANLIUYOUXIAOZHIIfDEBIZHI。

                        清泰棋牌app 2.0.32 JIEDIWANGZUIDARUDIDIANLIU maximum grid current

                        清泰棋牌app JIEDIGUZHANGDIANLIUZHONGJINGJIEDIWANGLIURUDIZHONGDEDIANLIUZUIDAZHI,GONGJIEDISHEJISHIYONG。

                        2.0.33 JIEDIWANGRUDIDUICHENGDIANLIU symmetrical grid current

                        清泰棋牌app JIEDIWANGRUDIDIANLIUDEDUICHENGFENLIANG。

                        清泰棋牌app 2.0.34 GUZHANGDIANLIUFENLIUXISHU fault current division factor

                        JIEDIWANGRUDIDUICHENGDIANLIUIgYUJIEDIGUZHANGDUICHENGDIANLIUIfDEBIZHI。

                        清泰棋牌app 2.0.35 JIEDIGUZHANGDIANLIUCHIXUSHIJIAN continuous time of ground fault current

                        接地故障出现起直至其终止的全部时间。
                        ▼ 点击展开条文说明

                        2.0.36 FANGREHANJIE exothermic welding

                        利用金属氧化物与铝之间的氧化还原反应,同时释放出大量的热量和高温熔融金属,进行焊接的方法。
                        ▼ 点击展开条文说明

                        3高压电气装置接地

                        3.1 一般规定

                        3 高压电气装置接地


                        3.1 一般规定
                        ▼ 点击展开条文说明

                        清泰棋牌app 3.1.1 DIANLIXITONG、ZHUANGZHIHUOSHEBEIYINGANGUIDINGJIEDI。JIEDIZHUANGZHIYINGCHONGFENLIYONGZIRANJIEDIJIJIEDI,DANYINGXIAOYANZIRANJIEDIJIDEREWENDINGXING。JIEDIANGONGNENGKEFENWEIXITONGJIEDI、BAOHUJIEDI、LEIDIANBAOHUJIEDIHEFANGJINGDIANJIEDI。

                        3.1.2 发电厂和变电站内,不同用途和不同额定电压的电气装置或设备,除另有规定外应使用一个总的接地网。接地网的接地电阻应符合其中最小值的要求。
                        ▼ 点击展开条文说明

                        3.1.3 设计接地装置时,应计及土壤干燥或降雨和冻结等季节变化的影响,接地电阻、接触电位差和跨步电位差在四季中均应符合本规范的要求。但雷电保护接地的接地电阻,可只采用在雷季中土壤干燥状态下的最大值。典型人工接地极的接地电阻可按本规范附录A计算。
                        ▼ 点击展开条文说明

                        3.2 保护接地的范围

                        3.2 保护接地的范围
                        ▼ 点击展开条文说明

                        3.2.1 电力系统、装置或设备的下列部分(给定点)应接地:

                        1 有效接地系统中部分变压器的中性点和有效接地系统中部分变压器、谐振接地、低电阻接地以及高电阻接地系统的中性点所接设备的接地端子。

                        2 高压并联电抗器中性点接地电抗器的接地端子。

                        3 电机、变压器和高压电器等的底座和外壳。

                        4 发电机中性点柜的外壳、发电机出线柜、封闭母线的外壳和变压器、开关柜等(配套)的金属母线槽等。

                        5 气体绝缘金属封闭开关设备的接地端子。

                        6 配电、控制和保护用的屏(柜、箱)等的金属框架。

                        7 箱式变电站和环网柜的金属箱体等。

                        8 发电厂、变电站电缆沟和电缆隧道内,以及地上各种电缆金属支架等。

                        9 屋内外配电装置的金属架构和钢筋混凝土架构,以及靠近带电部分的金属围栏和金属门。

                        10 电力电缆接线盒、终端盒的外壳,电力电缆的金属护套或屏蔽层,穿线的钢管和电缆桥架等。

                        11 装有地线(架空地线,又称避雷线)的架空线路杆塔。

                        12 除沥青地面的居民区外,其他居民区内,不接地、谐振接地和高电阻接地系统中无地线架空线路的金属杆塔。

                        13 装在配电线路杆塔上的开关设备、电容器等电气装置。

                        14 高压电气装置传动装置。

                        15 附属于高压电气装置的互感器的二次绕组和铠装控制电缆的外皮。

                        清泰棋牌app 3.2.2 FUSHUYUGAOYADIANQIZHUANGZHIHEDIANLISHENGCHANSHESHIDEERCISHEBEIDENGDEXIALIEJINSHUBUFENKEBUJIEDI:

                        1 ZAIMUZHI、LIQINGDENGBULIANGDAODIANDIMIANDEGANZAOFANGJIANNEI,JIAOLIUBIAOCHENGDIANYA380VJIYIXIA、ZHILIUBIAOCHENGDIANYA220VJIYIXIADEDIANQIZHUANGZHIWAIQIAO,DANDANGWEIHURENYUANKENENGTONGSHICHUJIDIANQIZHUANGZHIWAIQIAOHEJIEDIWUJIANSHICHUWAI。

                        清泰棋牌app 2 ANZHUANGZAIPEIDIANPING、KONGZHIPINGHEPEIDIANZHUANGZHISHANGDEDIANCELIANGYIBIAO、JIDIANQIHEQITADIYADIANQIDENGDEWAIQIAO,YIJIDANGFASHENGJUEYUANSUNHUAISHIZAIZHICHIWUSHANGBUHUIYINQIWEIXIANDIANYADEJUEYUANZIJINSHUDIZUODENG。

                        3 ANZHUANGZAIYIJIEDIDEJINSHUJIAGOUSHANG,QIEBAOZHENGDIANQIJIECHULIANGHAODESHEBEI。

                        清泰棋牌app 4 BIAOCHENGDIANYA220VJIYIXIADEXUDIANCHISHINEIDEZHIJIA。

                        清泰棋牌app 5 CHUBENGUIFANDI4.3.3TIAOSUOLIEDECHANGSUOWAI,YOUFADIANCHANGHEBIANDIANZHANQUYUNEIYINCHUDETIELUGUIDAO。

                        4发电厂和变电站的接地网

                        4.1 110kV及以上发电厂和变电站接地网设计的一般要求

                        4 发电厂和变电站的接地网


                        4.1 110kV及以上发电厂和变电站接地网设计的一般要求
                        ▼ 点击展开条文说明

                        4.1.1 设计人员应掌握工程地点的地形地貌、土壤的种类和分层状况,并应实测或搜集站址土壤及江、河、湖泊等的水的电阻率、地质电测部门提供的地层土壤电阻率分布资料和关于土壤腐蚀性能的数据,应充分了解站址处较大范围土壤的不均匀程度。
                        ▼ 点击展开条文说明

                        4.1.2 SHEJIRENYUANYINGGENJUYOUGUANJIANZHUWUDEBUZHI、JIEGOU、GANGJINPEIZHIQINGKUANG,QUEDINGKELIYONGZUOWEIJIEDIWANGDEZIRANJIEDIJI。

                        4.1.3 SHEJIRENYUANYINGGENJUDANGQIANHEYUANJINGDEZUIDAYUNXINGFANGSHIXIAYICIXITONGDIANQIJIEXIAN、MUXIANLIANJIEDESONGDIANXIANLUZHUANGKUANG、GUZHANGSHIXITONGDEDIANKANGYUDIANZUBIZHIDENG,QUEDINGSHEJISHUIPINGNIANDEZUIDAJIEDIGUZHANGBUDUICHENGDIANLIUYOUXIAOZHI。

                        清泰棋牌app 4.1.4 SHEJIRENYUANYINGJISUANQUEDINGLIUGUOSHEBEIWAIQIAOJIEDIDAOTI(XIAN)HEJINGJIEDIWANGRUDIDEZUIDAJIEDIGUZHANGBUDUICHENGDIANLIUYOUXIAOZHI。

                        清泰棋牌app 4.1.5 JIEDIWANGDECHICUNJIJIEGOUYINGGENJUZHANZHITURANGJIEGOUHEQIDIANZULV,YIJIYAOQIUDEJIEDIWANGDEJIEDIDIANZUZHICHUBUNIDING,BINGYITONGGUOSHUZHIJISUANHUODEJIEDIWANGDEJIEDIDIANZUZHIHEDIDIANWEISHENGGAO,QIEJIANGQIYUYAOQIUDEXIANZHIBIJIAO,BINGTONGGUOXIUZHENGJIEDIWANGSHEJISHIQIMANZUYAOQIU。

                        4.1.6 SHEJIRENYUANYINGTONGGUOJISUANHUODEDIBIAOMIANDEJIECHUDIANWEICHAHEKUABUDIANWEICHAFENBU,BINGYINGJIANGZUIDAJIECHUDIANWEICHAHEZUIDAKUABUDIANWEICHAYUYUNXUZHIJIAYIBIJIAO。BUMANZUYAOQIUSHI,YINGCAIQUJIANGDICUOSHIHUOCAIQUTIGAOYUNXUZHIDECUOSHI。

                        4.1.7 JIEDIDAOTI(XIAN)HEJIEDIJIDECAIZHIHEXIANGYINGDEJIEMIAN,YINGJIJISHEJISHIYONGNIANXIANNEITURANGDUIQIDEFUSHI,TONGGUOREWENDINGXIAOYANQUEDING。

                        清泰棋牌app 4.1.8 SHEJIRENYUANYINGGENJUSHICEJIEGUOXIAOYANSHEJI。DANGBUMANZUYAOQIUSHI,YINGBUCHONGYUWANSHANHUOZENGJIAFANGHUCUOSHI。

                        4.2 接地电阻与均压要求

                        4.2 接地电阻与均压要求

                        清泰棋牌app 4.2.1 BAOHUJIEDIYAOQIUDEFADIANCHANGHEBIANDIANZHANJIEDIWANGDEJIEDIDIANZU,YINGFUHEXIALIEYAOQIU:

                        清泰棋牌app 1 YOUXIAOJIEDIXITONGHEDIDIANZUJIEDIXITONG,YINGFUHEXIALIEYAOQIU:

                        清泰棋牌app 1)JIEDIWANGDEJIEDIDIANZUYIFUHEXIALIEGONGSHIDEYAOQIU,QIEBAOHUJIEDIJIEZHIBIANDIANZHANJIEDIWANGDEZHANYONGBIANYAQIDEDIYACEYINGCAIYONGTNXITONG,DIYADIANQIZHUANGZHIYINGCAIYONG(HANJIANZHUWUGANGJINDE)BAOHUZONGDENGDIANWEILIANJIEXITONG:

                        R≤2000/IG (4.2.1-1)

                        清泰棋牌app SHIZHONG:R——CAIYONGJIJIEBIANHUADEZUIDAJIEDIDIANZU(Ω);

                        清泰棋牌app IG——JISUANYONGJINGJIEDIWANGRUDIDEZUIDAJIEDIGUZHANGBUDUICHENGDIANLIUYOUXIAOZHI(A),YINGANBENGUIFANFULUBQUEDING。

                        清泰棋牌app IGYINGCAIYONGSHEJISHUIPINGNIANXITONGZUIDAYUNXINGFANGSHIXIAZAIJIEDIWANGNEI、WAIFASHENGJIEDIGUZHANGSHI,JINGJIEDIWANGLIURUDIZHONGBINGJIJIZHILIUFENLIANGDEZUIDAJIEDIGUZHANGDIANLIUYOUXIAOZHI。DUIQIJISUANSHI,HAIYINGJISUANXITONGZHONGGEJIEDIZHONGXINGDIANJIANDEGUZHANGDIANLIUFENPEI,YIJIBILEIXIANZHONGFENZOUDEJIEDIGUZHANGDIANLIU。

                        2)DANGJIEDIWANGDEJIEDIDIANZUBUFUHEBENGUIFANSHI(4.2.1-1)DEYAOQIUSHI,KETONGGUOJISHUJINGJIBIJIAOSHIDANGZENGDAJIEDIDIANZU。ZAIFUHEBENGUIFANDI4.3.3TIAODEGUIDINGSHI,JIEDIWANGDIDIANWEISHENGGAOKETIGAOZHI5kV。BIYAOSHI,JINGZHUANMENJISUAN,QIECAIQUDECUOSHIKEQUEBAORENSHENHESHEBEIANQUANKEKAOSHI,JIEDIWANGDIDIANWEISHENGGAOHAIKEJINYIBUTIGAO。

                        2 BUJIEDI、XIEZHENJIEDIHEGAODIANZUJIEDIXITONG,YINGFUHEXIALIEYAOQIU:

                        清泰棋牌app 1)JIEDIWANGDEJIEDIDIANZUYINGFUHEXIALIEGONGSHIDEYAOQIU,DANBUYINGDAYU4Ω,QIEBAOHUJIEDIJIEZHIBIANDIANZHANJIEDIWANGDEZHANYONGBIANYAQIDEDIYACEDIANQIZHUANGZHI,YINGCAIYONG(HANJIANZHUWUGANGJINDE)BAOHUZONGDENGDIANWEILIANJIEXITONG:

                        清泰棋牌app R≤120/Ig(4.2.1-2)

                        SHIZHONG:R——CAIYONGJIJIEBIANHUADEZUIDAJIEDIDIANZU(Ω);

                        清泰棋牌app Ig——JISUANYONGDEJIEDIWANGRUDIDUICHENGDIANLIU(A)。

                        2)谐振接地系统中,计算发电厂和变电站接地网的入地对称电流时,对于装有自动跟踪补偿消弧装置(含非自动调节的消弧线圈)的发电厂和变电站电气装置的接地网,计算电流等于接在同一接地网中同一系统各自动跟踪补偿消弧装置额定电流总和的1.25倍;对于不装自动跟踪补偿消弧装置的发电厂和变电站电气装置的接地网,计算电流等于系统中断开最大一套自动跟踪补偿消弧装置或系统中最长线路被切除时的最大可能残余电流值。
                        ▼ 点击展开条文说明

                        4.2.2 确定发电厂和变电站接地网的型式和布置时,应符合下列要求:

                        清泰棋牌app 1 110kVJIYISHANGYOUXIAOJIEDIXITONGHE6kV~35kVDIDIANZUJIEDIXITONGFASHENGDANXIANGJIEDIHUOTONGDIANLIANGXIANGJIEDISHI,FADIANCHANGHEBIANDIANZHANJIEDIWANGDEJIECHUDIANWEICHAHEKUABUDIANWEICHABUYINGCHAOGUOYOUXIALIEGONGSHIJISUANSUODEDESHUZHI:

                        Ut=(174+0.17ρsCs)/(√ts ) (4.2.2-1)

                        Us=(174+0.7ρsCs)/(√ts ) (4.2.2-2)

                        SHIZHONG:Ut——JIECHUDIANWEICHAYUNXUZHI(V);

                        Us——KUABUDIANWEICHAYUNXUZHI(V);

                        ρs——DIBIAOCENGDEDIANZULV(m);

                        Cs——BIAOCENGSHUAIJIANXISHU,ANBENGUIFANFULUCDEGUIDINGQUEDING;

                        清泰棋牌app ts ——JIEDIGUZHANGDIANLIUCHIXUSHIJIAN,YUJIEDIZHUANGZHIREWENDINGXIAOYANDEJIEDIGUZHANGDENGXIAOCHIXUSHIJIANte QUXIANGTONGZHI(s)。

                        2 6kV~66kV不接地、谐振接地和高电阻接地的系统,发生单相接地故障后,当不迅速切除故障时,发电厂和变电站接地装置的接触电位差和跨步电位差不应超过下列公式计算所得的数值:

                        Ut=50+0.05ρsCs (4. 2.2-3)

                        Ut=50+0.2ρsCs (4.2.2-4)

                        3 接触电位差和跨步电位差可按本规范附录D的规定计算。
                        ▼ 点击展开条文说明

                        4.3 水平接地网的设计

                        4.3 水平接地网的设计

                        4.3.1 FADIANCHANGHEBIANDIANZHANSHUIPINGJIEDIWANGYINGFUHEXIALIEYAOQIU:

                        1 SHUIPINGJIEDIWANGYINGLIYONGZHIJIEMAIRUDIZHONGHUOSHUIZHONGDEZIRANJIEDIJI,FADIANCHANGHEBIANDIANZHANJIEDIWANGCHUYINGLIYONGZIRANJIEDIJIWAI,HAIYINGFUSHERENGONGJIEDIJI。

                        2 当利用自然接地极和引外接地装置时,应采用不少于2根导线在不同地点与水平接地网相连接。

                        3 FADIANCHANG(BUHANSHUILIFADIANCHANG)HEBIANDIANZHANDEJIEDIWANG,YINGYU110kVJIYISHANGJIAKONGXIANLUDEDIXIANZHIJIEXIANGLIAN,BINGYINGYOUBIANYUFENKAIDELIANJIEDIAN。6kV~66kVJIAKONGXIANLUDEDIXIANBUDEZHIJIEHEFADIANCHANGHEBIANDIANZHANPEIDIANZHUANGZHIJIAGOUXIANGLIAN。FADIANCHANGHEBIANDIANZHANJIEDIWANGYINGZAIDIXIAYUJIAKONGXIANLUDIXIANDEJIEDIZHUANGZHIXIANGLIANJIE,LIANJIEXIANMAIZAIDIZHONGDEZHANGDUBUYINGXIAOYU15m。

                        4 ZAIGAOTURANGDIANZULVDIQU,KECAIQUXIALIEJIANGDIJIEDIDIANZUDECUOSHI:

                        1)ZAIFADIANCHANGHEBIANDIANZHAN2000mYINEIYOUJIAODIDIANZULVDETURANGSHI,FUSHEYINWAIJIEDIJI;DANGDIXIAJIAOSHENCHUDETURANGDIANZULVJIAODISHI,KECAIYONGJINGSHI、SHENZUANSHIJIEDIJIHUOCAIYONGBAOPOSHIJIEDIJISHU。

                        2)TIANCHONGDIANZULVJIAODIDEWUZHIHUOJIANGZUJI,DANYINGQUEBAOTIANCHONGCAILIAOBUHUIJIASUJIEDIJIDEFUSHIHEQIZISHENDEREWENDING。

                        3)FUSHESHUIXIAJIEDIWANG。SHUILIFADIANCHANGKEZAISHUIKU、SHANGYOUWEIYAN、SHIGONGDAOLIUSUIDONG、WEISHUIQU、XIAYOUHEDAOHUOFUJINDESHUIYUANZHONGDEZUIDISHUIWEIYIXIAQUYUFUSHERENGONGJIEDIJI。

                        5 ZAIYONGDONGTUDIQUKECAIYONGXIALIECUOSHI:

                        清泰棋牌app 1)JIANGJIEDIWANGFUSHEZAIRONGHUADIDAIHUORONGHUADIDAIDESHUICHIHUOSHUIKENGZHONG。

                        清泰棋牌app 2)KEFUSHESHENZUANSHIJIEDIJI,HUOCHONGFENLIYONGJINGGUANHUOQITASHENMAIZAIDIXIADEJINSHUGOUJIANZUOJIEDIJI,HAIYINGFUSHESHENCHUIZHIJIEDIJI,QISHENDUYINGBAOZHENGSHENRUDONGTUCENGXIAMIANDETURANGZHISHAO5m。

                        3)ZAIFANGWURONGHUAPANNEIFUSHEJIEDIWANG。

                        4)ZAIJIEDIJIZHOUWEIRENGONGCHULITURANG,JIANGDIDONGJIEWENDUHETURANGDIANZULV。

                        6 ZAIJIJIEDONGTUHUOJIJIEGANHANDIQUKECAIYONGXIALIECUOSHI:

                        1)JIJIEDONGTUCENGHUOJIJIEGANHANXINGCHENGDEGAODIANZULVCENGDEHOUDUJIAOQIANSHI,KEJIANGJIEDIWANGMAIZAIGAODIANZULVCENGXIA0.2m。

                        2)YICAIYONGDUOGENSHENZUANSHIJIEDIJIJIANGDIJIEDIDIANZUSHI,KEJIANGSHUIPINGJIEDIWANGZHENGCHANGMAISHE。

                        3)季节性的高电阻率层厚度较深时,可将水平接地网正常埋设,在接地网周围及内部接地极交叉节点布置短垂直接地极,其长度宜深入季节高电阻率层下面2m。
                        ▼ 点击展

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