一种IEC 61850通用数据类数据库信息模型的建模方法

摘要

This paper provides a design method of database information model and its application program interface (API)using IEC 61850 common data class (CDC) which can be applied in station-layer devices.The database is characterized by the threelayer architecture that consists of the information model,the equipment model and the application model.The information model is created directly using the substation configuration description (SCD) model,while the equipment model is built with the IEC 61970 common information model (CIM).Since the reuse of the standardized information model and equipment model is made,the integration supplier can focus on advanced application in substations.In compliance with IEC 61850 CDC definitions,the relational database structure and the object reference oriented retrieval API of the information model can be defined.With the universal information model,the procedure of project implementation can be significantly simplified.%提供了基于IEC 61850通用数据类的数据库信息模型及其接口的设计方法,该方法适用于变电站站控层设备.将数据库模型分为信息模型、设备模型和应用模型3层架构,其中信息模型和设备模型分别基于IEC 61850变电站配置文件(SCD)和IEC 61970公共信息模型(CIM)文件创建,标准的信息模型和设备模型实现了模型的复用.在IEC 61850通用数据类的基础上,设计了信息模型关系型数据库表结构及其接口的实现方法,能够直接导入变电站配置模型,自动生成数据库,并以IEC 61850数据对象引用为检索方式设计了数据库访问接口,简化了变电站工程实施流程.