Design of Integrative Information Platform for Smart Substations
Design of Integrative Information Platform for Smart Substations
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作者：
He Feiyue
智能变电站作为智能电网的关键节点，其功能之一就是为电网提供信息支持。为此，构建了智能变电站综合信息平台。该平台采用分层分布式结构，统一和简化了变电站内部的数据源，形成唯一、一致的基础数据和信息，以唯一、标准的方式实现智能变电站内外数据和信息的交互和共享，为智能电网运行控制提供可靠的信息支持。阐述了平台建设过程中所采用的数据识别与数据估计、变电站内部数据信息的分类、动态共享、智能信息传输以及信息数据安全等关键技术，并给出了具体的解决方案。该平台遵循IEC 61850标准，与变电站内外设备进行通信。对所建平台的信息流和时延进行了仿真，仿真结果表明，所建平台的通信时延能够满足变电站内外用户对数据和信息的需求。
As a key node in smart grid,one of the functions of smart substation is to provide information supporting for the grid. For this reason,an integrative information platform in the smart substation is built. A layered and distributed structure is adopted in this platform to unify and simplify the data sources inside the substation,so unique and consistent basic data and information are formed and the interaction and sharing of data and information inside and outside the smart substation can be implemented by a unique and standard mode to provide reliable information support for operation and control of smart grid. The key techniques related to data identification and data estimation,the classification,dynamic sharing and intelligent information transmission of data and information inside the substation,which are adopted during the building of the platform,as well as the security of information and data are expounded and concrete solutions for them are given. Following the standards in IEC 61850,the platform communicates with equipments inside and outside the substation. The information flow and time delay of the built platform are simulated,and simulation results show that the communication time delay of the built platform can meet the requirements of data and information from users inside and outside the substation.