110kV宋城变电站数字化建设方案及对二次设计专业的要求

110 kV Songcheng substation construct plan of digitization and requirement of secondary design

根据110 kV宋城变电站数字化系统建设实例,全面阐述了数字化变电站的系统组成和网络构架。结合数字化变电站的理论概念和110 kV宋城变的实际配置,详细论述了数字化变电站采用的电子式互感器、合并器、智能接口单元等新式设备的原理、配置、接线特点,从工程的角度对数字化变电站的概念进行了具体化的分析。同时,对照常规综合自动化变电站进行了相关技术及设备的比较,并论述了数字化变电站在二次设计专业方面的一些新特点、新要求。

This paper comprehensively expatiates the system configuration and network architecture of digital substation based on the construction instance of disital system of 110 kV Songcheng substation. Combined with the theory concept of digital substation and actual configuration of 110 kV Songcheng substation, the paper expounds the principle, configuration and connection of new device such as the electronic transformer, merging unit and smart interface unit, and concretely analyzes the the theory of digital substation from the angle of engineering. It compares with the common automation substation in technology and equipment, and discusses new features and demands of digital substation in secondary design.