In energy-saving and emission reduction supervision system of power industry, the data sources are characterized by their variety, distributed location and different types and versions of database as well as naming format of data in different places. Therefore, data migration tool is needed to send timely and accurate generator units data to data center for statistical analysis of energy-saving and emission reduction supervision system. Thus, a real-time data migration tool PItoHS is designed between PI real-time database and Highsoon real-time database. The paper elaborates on implementation and application of the migration tool.%电力行业节能减排监管系统的数据源种类多、地点分散,数据库的类型和版本、数据的命名格式也不尽相同,且处在不同的电力安全区,因此需要由数据迁移工具将这些数据实时、准确地上送到数据中心,供节能减排监管系统统计分析。为此设计开发了PI实时数据库到海迅实时数据库的实时数据迁移工具PItoHS,详细介绍了迁移工具的实现与应用。
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