摘要
通过220 kV GIS用电子式电流电压互感器在午山数字化变电站中的应用,介绍了其配置方案、引用标准、工作原理及结构、有源电子式互感器的关键技术、应用电子式互感器需要面对的几个问题,着重分析了电子式互感器同步问题、同步方法以及同步问题对线路差动保护的影响。指出电子式互感器的采用,将给国内变电站的自动化运行和管理带来深远的影响和变革,在技术上提高设备的安全性和可靠性以及实现互操作性,在经济上减少投资以及变电站寿命周期内的总体成本。
Through the application of 220 kV GIS electronic current and voltage transformers in Wushan digital substation,this paper introduces its configuration,reference standard,principle and structure,key technologies of the active electronic transformer,and several issues of applying electronic transformers.This paper focuses on electronic transformer synchronization issues and synchronization methods,and the impact of synchronization on the line differential protection.Finally,it is pointed out that the use of electronic transformer will bring far-reaching changes and impact on domestic substation automation and management.It will improve the security and reliability of the device and achieve interoperability in technology and will reduce the investment and the overall cost of substations life cycle in economy.
出处
《电力系统保护与控制》
EI
CSCD
北大核心
2010年第16期157-162,共6页
Power System Protection and Control
关键词
电子式互感器
数字化变电站
应用
electronic transformer
digital substation
application
