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介绍PI(Plant Information System)数据库的技术特点及优势、PI主要模块的功能、PI系统SCADA数据的接入方法和应用概况,此外还给出了PI数据库在电网运行监视、配网事故巡线、城市电网规划和输变电设施可靠性统计等4方面的应用案例,叙述每个案例的开发背景、基本思路、主要功能和实际意义,以及下一步PI接入与应用的初步设想。
This paper introduces the technical features and advantages of PI (Plant Information System) database, the function of PI main module, the access method and application of SCADA data in PI system. In addition, it also gives a brief introduction of PI database in power grid monitoring, Urban power grid planning and reliability statistics of power transmission and transformation facilities. The background, basic ideas, main functions and practical meanings of each case are described as well as the tentative plans for the next PI access and application.