To realize the information exchange between transformer substation system and dispatching centre system, the key is to realize the system model's interoperation. IEC61970, IEC61968's CIM model and IEC6185O's SCL model have some differences in their structure and contents. On the basis of discussing the difference between the two models and based on the XML. This paper designs and constructs the document converter and realizes the converting between XML document and CIM XML document. Based on the corresponding relation between CIM model and SCL model, through coordinating the two model's category, property and relation, it integrates the transformer substation model, then realizes the interoperability between substation system model and other electric power system models, and also ensures the data consistence. Through software designing and laboratory analog simulation, the results show that they can meet the CIM model and SCL model's requirements in data exchange field.%实现变电站系统与调度中心系统的信息交互,关键是实现系统模型的互操作.IEC61970、IEC61968的CIM模型和IEC61850的SCL模型在结构和内容上具有差异性,在详细讨论两种模型差异的基础上,基于XML,设计构造了文档转换器,实现XML文档和CIM XML文档之间的转换.基于CIM模型和SCL模型的对应关系,通过对两种模型的类、属性、关系的协调,整合变电站模型,实现变电站系统模型与其它电力系统模型的互操作,保证数据的一致性.通过软件设计,经实验室模拟仿真,结果表明能够实现CIM模型和SCL模型在数据交换方面的要求.
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