DLT 887-2004 杆塔工频接地电阻测量.pdfVIP

ICS27.100 F24 备案号:14615一2004 13L 中华 人 民共 和 国 电力 行 业 标 准 DL/T 887一 2004 杆塔工频接地电阻测量 Powerfrequencygroundresistancemeasurement forpolestowers 2004-10-20发布 2005-04-01实施 中华人 民共和 国国家发展和改革委员会 发布 DL/T887一 2004 目 次 前言 ···················，·································································································……II 1 范围 ·················，······························································································…… 1 2 规范性弓}用文件 .·一· 1 3 术语和定义 ·········································································································…… 1 4 分类 ······，······················，，······‘···，··················‘···，·······。·························，···········，···…… 2 5测量杆塔工频接地电阻的一般性规定····················，························，··…’二·‘”二’二二‘二‘’’·“””3 6测量杆塔工频接地电阻的三极法 ··············，···································……二‘’……“.””.“”’‘’‘‘3 7测量杆塔工频接地电阻的钳表法 ·-··········，··.，···········‘······.，········，···…… ‘·一·’二‘’二4 附录A(资料性附录)架空输电线路杆塔的钳表法增量的估算 ··········································……6 附录B (资料性附录) 架空输电线路杆塔的工频接地电阻 ················································…… 7 DL/T887一 2004 月』 舌 本标准是根据原国家经济贸易委员会 关《于下达2002年度电力行业标准制定和修订计划的通知》 (电力 2【002]973号)的安排制定的。 本标准的附录A、附录B为资料性附录。 本标准由中国电力企业联合会提出。 本标准由全国高压电气安全标准化技术委员会归口并解释。 本标准负责起草单位:武汉大学电气工程学院。 本标准参加起草单位:安徽省巢湖供电局、湖北省电力试验研究院。 本标准主要起草人:周文俊、王建国、刘泽生、傅军、梁国栋、林志伟、徐家奎。 DL/T887一 2004 杆塔工频接地电阻测量 1 范围 本标准规定了杆塔工频接地电阻的术语和定义、测量的一般性规定、测量杆塔工频接地电阻的三 极法和钳表法。 本标准适