ICS29.240.20 CCSF22 备案号： DL 中华人民共和国电力行业标准 DL/T304—202X 代替DL/T304—2011 □□□□-□□-□□发布 □□□□-□□-□□实施 国家能源局发布气体绝缘金属封闭输电线路现场交接试验 导则 Guideforonsitehand-overtestofgas-insulatedmetal-enclosedtransmissionline （报批稿）DL/T304—202XDL/T304—XXXX I目次 前言..............................................................................................................................................................................II 1范围..........................................................................................................................................................................1 2规范性引用文件......................................................................................................................................................1 3术语定义..................................................................................................................................................................1 4交接试验项目..........................................................................................................................................................2 5外观检查..................................................................................................................................................................2 6主回路电阻测量......................................................................................................................................................3 7气体验收试验..........................................................................................................................................................4 7.1SF6气体验收试验..............................................................................................................................................4 7.2SF6/N2混合气体验收试验................................................................................................................................4 7.3合成气体混合气体验收试验...........................................................................................................................5 7.4自然气体混合气体验收试验...........................................................................................................................5 8内部气体检测..........................................................................................................................................................6 8.1概述...................................................................................................................................................................6 8.2GIL气室充入SF6气体质量检测项目.............................................................................................................6 8.3GIL气室充入SF6/N2混合气体质量检测项目...............................................................................................7 8.4GIL气室充入合成气体混合气体质量检测项目............................................................................................7 8.5GIL气室充入自然气体混合气体质量检测项目............................................................................................7 9气体密封性试验......................................................................................................................................................7 9.1一般要求...........................................................................................................................................................7 9.2定性检漏...........................................................................................................................................................7 9.3定量检漏...........................................................................................................................................................7 10元件试验................................................................................................................................................................8 11主回路绝缘试验....................................................................................................................................................8 11.1概述......................................