Abstract
In order to deal with diversity of massive data structures and the variety of information formats, a novel mechanism is designed for unified management of power grid planning data. By integrating many business systems including production management system (PMS), geographic information system (GIS), energy management system (EMS), distribution network information acquisition system in the power supply company's system and adopting various technical means such as data warehouse technology (e.g. ETL, Extract-Transform-Load) and incremental capture, data structure that supports the whole process management of power grid business is designed, data correlation analysis and integration & migration are carried out, and efficient access and deep fusion of massive relational data, file-type data, distributed data and spatial data are realized. Besides, through computing modes such as diagnostic analysis, load analysis and spatial analysis, the integrated database for power grid planning that integrates data fusion, storage, mining, modeling, computing, analysis and intelligent perception is finally constructed based on the designed data management mechanism, which could provide the comprehensive model and data support for power grid development. Field application shows the engineering benefit of the designed data management mechanism.
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