电力变压器差动保护分析  

Analysis of Differential Protection of Power Transformers

作　　者：张亚红 Zhang Ya-hong

机构地区：[1]陕西华电蒲城发电有限责任公司,陕西渭南715501

出　　处：《电力系统装备》2019年第18期81-82,共2页Electric Power System Equipment

摘　　要：本文讲述了电力变压器差动保护的构成原理,并结合华电蒲城发电有限责任公司#1主变深入分析了差动保护的动作特性、保护校验方法,探究了差动保护带负荷进行向量测试,并对检修过程中需要注意的问题提出了宝贵建议.In view of the importance of differential protection of power transformers,the principle of its structure is described,and the action characteristics of differential protection are analyzed in depth with the main transformer of Huadian Pucheng Power Generation Co.,Ltd.#1,the protection verification method is explored,and the difference is explored.The dynamic protection belt carries out the vector test and provides valuable suggestions for the problems that need to be paid attention to during the maintenance process.

关 键 词：差动保护 原理 校验 带负荷测试 检修注意事项 

分 类 号：TM774[电气工程—电力系统及自动化]