变压器机械缺陷检测与诊断

本书以电力变压器运行状态多源数据为基础，围绕电力变压器机械缺陷在线监测、预警及准确
诊断技术方面存在的突出问题，在变压器机械缺陷预警、机械缺陷精准诊断及机械缺陷动态评估与
风险预警等关键技术领域开展了深入研究。本书共六章，主要内容包括电力变压器结构及其缺陷、
电力变压器机械缺陷模型、变压器机械缺陷精准检测技术、变压器机械缺陷在线监测技术、在运变
压器机械缺陷动态评估技术、变压器抗机械缺陷能力提升。

前言
第一章 变压器结构与常见缺陷类型 1
第一节 概述······························································································· 1
第二节 电力变压器的基本结构······························································ 2
第三节 电力变压器的典型故障类型······················································ 6
第四节 电力变压器故障检测技术························································ 12
第二章 电力变压器机械缺陷模型 20
第一节 变压器绕组变形等效物理模型················································ 20
第二节 变压器等效物理模型建立与仿真优化···································· 27
第三章 变压器机械缺陷精准检测技术 38
第一节 扫频阻抗测试技术仿真研究···················································· 38
第二节 绕组变形模型的扫频阻抗测试················································ 47
第三节 变压器绕组变形的判据···························································· 75
第四节 扫频阻抗法现场应用································································ 78
第四章 变压器机械缺陷在线监测技术 87
第一节 基于声纹振动的变压器机械缺陷感知诊断技术··················· 87
第二节 基于运行电气量关联挖掘的感知诊断技术··························111
第三节 变压器机械缺陷的声-电联合预警技术································ 119
第五章 在运变压器机械缺陷动态评估技术 135
第一节 静态机械缺陷特性核算方法·················································· 136
第二节 动态机械缺陷特性评估技术·················································· 149
第六章 变压器抗机械缺陷能力提升 158
第一节 整体改造··················································································· 158
第二节 局部改造··················································································· 161
第三节 高阻抗变压器·········································································· 166