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实现智能电子设备(IED)间互操作是变电站通信网络和系统系列标准IEC 61850的重要目标,模型设计是实现这一目标的重要步骤。从互操作性支持条件分析出发,给出了IED模型通用设计方法,讨论了间隔层IED的模型实现。间隔层IED的信息模型以数据结构的形式实现。从互操作性角度分析了已有数据逻辑结构的优缺点,提出了抽象通信服务接口(ACSI)-功能约束(FC)结构,把FC引入数据结构且真实反映了信息模型的对象层次,从而更好地支持互操作性。另外,提出了基于二叉树形式的二叉和三叉链表数据存储结构,通过例子验证了这2种结构的数据查找和遍历的便利性,并给出了ACSI-FC结构在二叉或三叉链表存储结构下的FC过滤方法。
Implementing interoperability among intelligent electronic devices (IEDs) is an important goal of the IEC 61850 standard for substation communications networks and systems. Model design is an important step toward this goal. Starting from the analysis of interoperability support conditions, a general design method of IED model is given, and the model realization of bay layer IED is discussed. The information model of the bay IED is implemented as a data structure. From the perspective of interoperability, this paper analyzes the advantages and disadvantages of the existing logical structure of data, proposes an abstract communication service interface (ACSI) -Function Constraint (FC) structure, introduces FC into the data structure and truly reflects the object hierarchy of the information model Good support for interoperability. In addition, the data storage structure of binary and tri-link linked list based on binary tree is proposed. The convenience of data searching and traversing of the two structures is verified by an example. The structure of ACSI-FC in binary or tri- Under the FC filtering method.