数字化变电站自动化系统的网络选型

Choosing internal communication network of digital substation integrated automation system

随着智能化开关、光电式互感器等机电一体化设备的出现和应用 ,变电站自动化的技术进入数字化的新时代。在分析数字化变电站自动化系统的特征、结构基础上 ,提出了应用嵌入式以太网作为内部通信网络的实施方案 ,并对以太网在变电站自动化系统中应用模式和传输模式进行了分析研究。

Along with the appearance and application of new equipment of intelligentize switch and photoelectric transducer, the integrated automation technology of substation is promoted into a digital stage. This paper discusses the characteristics and structure of digital substation integrated automation system. The communication network architecture based on the embedded Ethernet technique for EHV substation automation system is proposed. The application mode and transport mode of Ethernet used in digital substation integrated automation system are researched.