Operation history data management device of the power generation plant

摘要

PPROBLEM TO BE SOLVED: To provide an operation history data management device efficiently storing vast operation history data in a power generation plant, and reducing a retrieval time necessary for retrieval of the operation history data. PSOLUTION: In this operation history data management device, a data reception part 3 distinguishes reception data between specific data and data except them; the specific data are stored in an uncompressed data storage part 7; the data except them are stored in a compressed data storage part, and a data retrieval request processing part 8 receiving a retrieval request from a client terminal 10 returns the uncompressed data stored in the uncompressed data storage part 7 to the client terminal when the request is the specific data. PCOPYRIGHT: (C)2008,JPO&INPIT