电力行业标准 DLT 1721-2017 电力电缆线路沿线土壤热阻系数测量方法.pdf

ICS 29.240.01 F 20 备案号：60080-2017 中华人民共和国电力行业标准 DL / T 1721—2017 电力电缆线路沿线土壤 热阻系数测量方法 Test method of thermal resistivity of soil along the underground power cable route 2017-08-02发布 2017-12-01实施 国家能源局 发 布 DL / T 1721 — 2017 目 次 前言··································································································································································· II 1 范围······························································································································································ 1 2 规范性引用文件 ·········································································································································· 1 3 名词和术语 ·················································································································································· 1 4 测量设备 ······················································································································································ 1 5 现场测量 ······················································································································································ 2 6 结果计算·······························