电网调控集群分布式实时数据库的设计与关键技术  

Design and Key Technologies of Cluster Based Distributed Real-time Database for Power Dispatching and Control System

作　　者：吴庆曦[1,2] 彭晖[1,2,3] 王瑾 靳晶 魏娜[1,2] 赵家庆 

机构地区：[1]南瑞集团公司(国网电力科学研究院),江苏省南京市211106 [2]国电南瑞科技股份有限公司,江苏省南京市211106 [3]智能电网保护和运行控制国家重点实验室,江苏省南京市211106 [4]国网苏州供电公司,江苏省苏州市215004

出　　处：《电力系统自动化》2017年第22期89-95,共7页Automation of Electric Power Systems

基　　金：国家电网公司科技项目"物理分布;逻辑统一的调控系统平台广域分布式数据管理关键技术研究"~~

摘　　要：为解决电网调度控制系统大规模实时数据的处理性能问题,设计了一种集群分布式实时数据库,通过分布式技术实现海量数据存储,并使用集群技术实现数据的统一访问和管理。对集群分布式实时库架构及所使用的分布式存储技术、分布式数据定位技术和分布式访问技术进行了讨论,解决了调度控制系统实时数据的灵活分片、分布式存储和快速定位问题。最后通过测试和现场运行验证了集群分布式实时数据库能在确保系统高可靠性的条件下,实现实时数据的高性能访问。In order to solve the problem of processing performance of large-scale real-time data in power dispatching and control systems,a cluster based distributed real-time database is designed,which uses distributed technologies to achieve massive data storage and cluster technologies to achieve uniform data access and management.Key technologies of cluster based real-time database are discussed including distributed storage,distributed data location and distributed data access.The problem of flexible slicing,large-scale data storage and fast data locating of real-time data in a power dispatching and control system is also solved.Testing and on-site system verification prove that the cluster based distributed real-time database system is able to achieve high efficient data access and the condition of high reliability of the system is ensured.

关 键 词：集群 分布式 实时数据库 横向扩展 调度控制系统 

分 类 号：TM73[电气工程—电力系统及自动化] TP311.13[自动化与计算机技术—计算机软件与理论]