Modeling of power data warehouse based on CIM

被引：0
|
作者：
He, Xiaofeng [1 ]
Wang, Gang [1 ]
Zhao, Rancang [1 ]
Li, Haifeng [1 ]
机构：
[1] South China Univ Technol, Coll Elect Engn, Guangzhou 510640, Peoples R China
来源：
2006 INTERNATIONAL CONFERENCE ON POWER SYSTEMS TECHNOLOGY: POWERCON, VOLS 1- 6 | 2006年
关键词：
common information model; data warehouse; dimension modeling; granularity; power system;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The system structure of data warehouse (DW) for power system is presented, and the design of subject for DW is discussed. Based on common information model (CIM), a general method of dimension modeling for star model of power DW is shown. Five characteristic values are used to validate the model. An example of data modeling for DW of dispatching automation system is shown and validated. The storage strategy will be discussed in detail. After rough estimate, how to select the granularity for DW is shown. In order to enhance performance of query, alter-granularity storage strategy and time rolling compress algorithm are presented for DW.
引用
收藏
页码：2137 / 2142
页数：6
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