适用于海外电网的变压器保护配置研究  

Research on transformer protection configuration suitable for overseas power grid

作　　者：王哲 郭晓 行武 WANG Zhe;GUO Xiao;XING Wu(Nanjing SAC Power Grid Automation Co.,Ltd,Nanjing 211151)

机构地区：[1]南京国电南自电网自动化有限公司,南京211151

出　　处：《电气技术》2024年第8期58-64,共7页Electrical Engineering

摘　　要：本文对海外市场变压器保护配置方案进行研究,给出包括主保护、后备保护及非电量保护的完整配置方案;对海外电网变压器继电保护相关的差动曲线整定、零序反时限保护、中性点接地、非电量保护电流闭锁、IEC 61850 ed2.0等进行研究并给出具体的解决方案。This paper studies the transformer protection configuration schemes in overseas market,and gives a complete protection configuration scheme,including main protection,backup protection and non-power protection.It also studies some special problems of transformer relay protection in overseas grid,such as differential curve setting,zero-sequence inverse time-limit protection,neutral grounding,non-electric protection current locking,IEC 61850 ed2.0,and gives specific solutions.

关 键 词：差动曲线 反时限 IEC 61850第二版 

分 类 号：TM774[电气工程—电力系统及自动化]