智能变电站是未来智能电网的基础节点，也是智能电网技术体系中非常重要的分支。简述了智能变电站技术在上海电网的研究和应用情况，以及封周数字化变电站、蒙自智能变电站的主要技术特点。介绍了上海市电力公司承担的国网公司第二批智能变电站建设试点工程(泸定智能变电站)，从一体化信息平台以及高级应用功能、智能一次设备、全数字化的二次系统、智能辅助设备等多个角度，对泸定智能变电站做了技术解析和方案介绍，并且结合国内建设的示范工程，对智能变电站今后的发展提出了建议。

Intelligent substation is the basic node of future smart grid, and it is the important technology branch of smart grid. This article describes the Study and Applicaton of Intelligent Substation in Shanghai Power, introduces the feature of fengzhou digital substation and Mengzi intelligent substation. Luding intelligent substation is the second demonstration engineering of the State Grid, so this article introduces the integration information platform、intelligent electrical equipment、digital secondary system、intelligent aid equipment of Luding intelligent substation. Finally, this article gives some advices base on the status of study and engineer in China.