摘要
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(microgrid energy management system,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(common information model,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。
Microgrid is a new organization mode and structure for distributed energy resource. The structural features of microgrid as well as its operation and control modes make higher requirements for real-time performance and reliability of real-time database system in microgrid energy management system （MEMS）. For this reason, firstly, according to the extension guidelines of common information model （CIM） and the characteristics of microgrid, the descriptions of CIM class in microgrid is expanded and by use of the method that CIM is directly stored in object-oriented real-time database the system following the standard is constructed to avoid model transformation and data mapping, thus it is convenient for data maintenance and improve the access efficiency of real-time database; secondly, the internal structure of real-time database is researched, designed and optimized, then an external structure of dual real-time database is put forward; finally, the work flow of this real-time database is given and the performance test of this database is carried out. Results show that designed real-time database is completely applicable to MEMS.
出处
《电网技术》
EI
CSCD
北大核心
2010年第11期31-37,共7页
Power System Technology
基金
国家863高技术基金项目(2007AA05Z240)
国家自然科学基金项目(50837001)~~
关键词
微网
微网能量管理系统
公共信息模型
实时数据库
面向对象
microgrid
microgrid energy managementsystem （MEMS）
common information model （CIM）
real-timedatabase
object-oriented
