110(66)kV～750kV避雷器技术标准

附件8：110（66）kV～750kV避雷器技术标准（附编制说明）国家电网公司I目录1总则·····································12引用标准···································13避雷器类型··································23.1金属氧化物避雷器······························································································23.2碳化硅阀式避雷器······························································································24使用环境条件·································24.1正常使用环境条件······························································································24.2异常使用环境条件······························································································35避雷器选择的一般程序······························36技术要求···································46.1无间隙金属氧化物避雷器···················································································46.2带串联间隙金属氧化物避雷器···········································································146.3碳化硅阀式避雷器····························································································187技术资料··································217.1招标前用户和制造厂所需提供的技术资料····························································217.2合同签订后供货方所需提供的技术资料·······························································217.3设备供货时应提供以下资料··············································································218试验····································228.1无间隙金属氧化物避雷器·················································································228.2带串联间隙金属氧化物避雷器···········································································248.3碳化硅阀式避雷器··························································································268.4试验方法······································································································279标志、包装、贮存和运输···························309.1标志··············································································································309.2包装··············································································································319.3随产品提供的技术文件······················································································319.4运输和贮存·····································································································3110技术服务·································3110.1项目管理·····································································································3110.2设备监造·····································································································3110.3现场服务·····································································································3110.4售后服务·····································································································31附录A无间隙金属氧化物避雷器的典型参数·····················33附录B避雷器用橡胶密封件的结构型式及系列参数··················34附录C绝缘子金属附件热镀锌层技术要求······················37II附录D碳化硅阀式避雷器的电气特性························38附录E碳化硅阀式避雷器直流泄漏电流要求·····················39附录F碳化硅阀式避雷器用碳化硅技术要求·····················401110（66）kV～750kV避雷器技术标准1总则1.1为适应电网的发展要求，提高设备运行的安全可靠性，加强输变电设备技术管理，特制定本技术标准。1.2本标准是依据国家和国际的有关标准、规程和规范并结合近年来国家电网公司输变电设备评估分析、生产运行情况分析以及设备运行经验而制定的。1.3本标准对金属氧化物避雷器、碳化硅阀式避雷器设备的设计选型（运行选用）、订货、监造、出厂验收、包装运输、现场安装和现场验收等环节提出了具体的技术要求。1.4本标准适用于国家电网公司系统的110（66）kV～750kV金属氧化物避雷器以及交流电力系统标称电压110（66）kV～500kV碳化硅阀式避雷器。35kV及以下电压等级避雷器可参照执行。2引用标准以下为输电设备设计、制造及试验所应遵循的国家、行业和企业的标准及规范，但不仅限于此：GB311.1-1997高压输变电设备的绝缘配合GB2900.12-1989电工名词术语避雷器GB2900.19-1982电工名词术语高电压试验技术和绝缘配合GB7327-1987交流系统用碳化硅阀式避雷器GB11032-2000交流无间隙金属氧化物避雷器GB16434-1996高压架空线路和发电厂、变电所环境污区分级及外绝缘选择标准GB/T16927.1-1997高电压试验技术第一部分：一般试验方法GB50150-1991电气装置安装工程电气设备交接试验标准DL474.5-1992现场绝缘试验实施导则避雷器试验DL/T620-1997交流电气装置的过电压保护和绝缘配合DL/T804-2002交流电力系统金属氧化物避雷器使用导则DL/T815-2002交流输电线路用复合外套金属氧化物避雷器DL/T864-2004标称电压高于1000V交流架空线路用复合绝缘子使用导则JB2440-1991避雷器用放电计数器JB/T4035-1999阀式避雷器用碳化硅JB5892-1991高压线路有机复合绝缘子技术条件JB/T8177-1999绝缘子金属附件热镀锌层通用技术条件JB/T8460-1996高压线路用棒形复合绝缘子尺寸与特性JB/T9669-1999避雷器用橡胶密封件及材料规范JB/T9670-1999金属氧化物避雷器电阻片用氧化锌2Q/GDW109-2003750kV系统用金属氧化物避雷器技术标准国家电网公司电力生产设备评估管理办法（生产输电[2003]95号）国家电网公司关于加强电力生产技术监督工作意见（生产输电[2003]29号）国家电网公司预防110（66）kV～750kV避雷器事故措施（国家电网生[2004]641号）3避雷器类型3.1金属氧化物避雷器3.1.1无间隙金属氧化物避雷器系统标称电压（Un）不小于110（66）kV的无间隙金属氧化物避雷器按其标称放电电流及使用场合分类见表1。表1系统标称电压不小于110（66）kV的无间隙金属氧化物避雷器分类标称放电电流In20kA等级10kA等级5kA等级1.5kA等级避雷器额定电压UrkV(有效值)420≤Ur≤64890≤Ur≤46884≤Ur≤9084≤Ur≤10860≤Ur≤207避雷器类别电站及线路用并联补偿电容器用电站及线路用变压器中性点用3.1.2带串联间隙金属氧化物避雷器系统标称电压（Un）不小于110（66）kV的带串联间隙金属氧化物避雷器主要用于输电线路中限制雷电过电压及（或）操作过电压。3.2碳化硅阀式避雷器系统标称电压（Un）不小于110（66）kV的碳化硅阀式避雷器按照放电间隙的种类可分为磁吹阀式避雷器和普通阀式避雷器。4使用环境条件4.1正常使用环境条件不同类型避雷器的正常使用环境条件见表2。表2避雷器的正常使用环境条件金属氧化物避雷器碳化硅阀式避雷器110（66）kV≤Un≤500kVUn＝750kV海拔高度≤1000m≤2000m≤1000m环境温度≤＋40℃，≥－40℃≤＋40℃，≥－25℃≤＋40℃，≥－40℃最大日温差≤25K≤32K≤25K日照强度≤1.1kW/m2≤1kW/m2≤1.1kW/m2电源频率≤62Hz，≥48Hz50Hz50Hz工作电压长期工作电压不超过持续运行电压长期工作电压不超过持续运行电压系统短时工频电压升高不超过额定电压3金属氧化物避雷器碳化硅阀式避雷器110（66）kV≤Un≤500kVUn＝750kV地震烈度≤7度≤8度≤7度最大风速≤35m/s≤34m/s≤35m/s覆冰厚度≤2cm≤1cm≤2cm污秽条件Ⅳ级及以下污秽等级Ⅲ级及以下污秽等级（海拔2000m时）Ⅳ级及以下污秽等级4.2异常使用环境条件本标准所规定的异常使用条件包括系统标称电压110（66）kV～500kV金属氧化物避雷器、碳化硅阀式避雷器，不包括系统标称电压750kV金属氧化物避雷器。(1)环境温度超过+40℃，或低于-40℃；(2)海拔高度超过1000m；(3)