ICS29.080K48备案号：40077-2013中华人民共和国电力行业标准DL/T1247—2013高压直流绝缘子覆冰闪络试验方法IcingflashovertestmethodsonhighvoltageinsulatorstobeusedinDCsystem2013-03-07发布2013-08-01实施国家能源局发布DL/T1247—2013I目次前言··········································Ⅱ1范围·········································12规范性引用文件····································13术语和定义······································14试验方法分类·····································15试验电源·······································26融冰过程中闪络的试验程序·······························27覆冰过程中闪络的试验程序·······························48绝缘子的闪络或耐受特性································5附录A（资料性附录）不同类型覆冰结构特点························6附录B（规范性附录）气候室模拟的雨凇类型覆冰参数····················7附录C（资料性附录）根据升压法确定覆冰闪络电压参考值的方法···············8DL/T1247—2013II前言本标准根据《国家发展改革委办公厅关于印发2006年行业标准项目计划的通知》（发改办工业〔2006〕1093号文）的安排制定的。本标准由中国电力企业联合会提出。本标准由电力行业高压直流输电技术标准化技术委员会归口并负责解释。本标准起草单位：南方电网技术研究中心、中国电力科学研究院。本标准主要起草人：范建斌、黎小林、周军、宿志一、于昕哲、高海峰、罗兵、吴光亚。本标准在执行过程中的意见或建议反馈至中国电力企业联合会标准化中心（北京市白广路二条一号，100761）。DL/T1247—20131高压直流绝缘子覆冰闪络试验方法1范围本标准规定了±1100kV及以下直流系统中用于户外环境中的各类线路和站用绝缘子的人工覆冰闪络试验方法。表面覆涂防污闪涂料的瓷、玻璃绝缘子或加装辅助伞裙的绝缘子可参照本标准执行。本标准包括带电和不带电绝缘子...
