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电网技术  2010 

微网实时数据库系统研究

, PP. 31-37

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Abstract:

微网是一种新的分布式能源组织方式和结构。微网的结构特点和运行控制方式对微网能量管理系统(microgridenergymanagementsystem,MEMS)中实时数据库系统的实时性和可靠性提出了更高的要求。为此首先根据公共信息模型(commoninformationmodel,CIM)扩展导则和微网的特点,扩展了微网CIM类的描述,并利用面向对象的实时数据库直接存储CIM的方法构建遵循标准的系统,以避开模型转换和数据映射,便于维护数据和提高实时数据库的访问效率。对实时数据库内部结构进行了研究设计和优化,提出一种双实时库的外部结构。最后给出了该实时数据库系统的工作流程并进行了性能测试,结果表明所设计的实时数据库完全适用于微网能量管理系统。

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