DL／T911-2004《电力变压器绕组变形的频率响应分析法》.pdf

ICS27.100 F24 备案号:15182-2005 EIL 中华 人 民共 和 国 电力 行 业 标 准 DL/T 911一 2004 电力变压器绕组变形的 频率响应分析法 Frequencyresponseanalysisonwindingdeformation ofpowertransformers 2004-12-14发布 2005-06-01实施 中华人民共和国国家发展和改革委员会 发布 DL/T 911 一 2004 目 次 前言 ···············‘················‘‘················‘·················‘··························，·········‘……n 1 范围 ···············‘··································································································…… 1 2 规范性引用文件 ·············································。·······，·············································…… 1 3 术语和定义 .·1 4 检测原理 .·2 5 检测仪器的要求 ·········，·······················································································…… ‘2 6 检测方法 ······························。·············。·····································，·························…… 3 7 绕组变形的分析判断 ···················································，······························…… ’‘·”·’·‘3 附录A (规范性附录) 用相关系数R辅助判断变压器绕组变形 .·6 附录B (资料性附录) 变压器绕组变形的典型幅频响应特性曲线 ··································…… 7 DL/T911一 2004 fill 青 本标准是根据原国家经贸委 《关于确认1999年度电力行业标准制、修订计划项目的通知》 (国经 贸电力 【1999]40号)安排制定的，目的是规范和指导电力变压器绕组变形频率响应分析法 (不包括 低压脉冲法)的现场应用。 用频率响应分析法检测变压器绕组变形具有检测灵敏度高、现场使用方便、可在变压器不吊罩的 情况下判断变压器绕组变形等优点，现己在电力行业广泛应用。 本标准的附录A为规范性附录，附录B为资料性附录。 本标准由中国电力企业联合会提出。 本标准由电力行业高压试验技术标准化技术委员会归口并负责解释。 本标准起草单位:中国电力科学研究院、广东省电力试验研究所、福建省电力试验研究院、安徽 省电力科学研究院、华北电力科学研究院、武汉高压研究所。 本标准赶草人:干早、高克利、林春耀、欧阳旭东、张孔林、余国钢、何宏明、马继先、梅刚。 DL/T911一 2004