智能变电站是我国智能电网建设的重要环节,国内已有多个智能变电站建成投产,根据其过程层设备和间隔层设备之间的通信方式不同,其典型结构形式主要有三种。简要介绍了智能变电站的概念与系统结构,并分析阐述了三种不同结构形式之间的差别和优缺点。 Smart substation is an important part of China’s smart grid construction. There are many smart substations in China. According to the different communication methods between process equipment and bay equipment, there are mainly three kinds of typical substations. The concept and system structure of intelligent substation are briefly introduced, and the differences and advantages and disadvantages between the three different structure forms are analyzed and explained.