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Method for storing electric power scheduling mass data

A mass data and power scheduling technology, applied in the recording of measured values, measuring devices, instruments, etc., can solve the problems of inconvenient acquisition of various batch data, failure to take into account mass storage and convenient use, etc., and achieve easy organization and comprehensive use , good data access performance, eliminate inefficiencies

Active Publication Date: 2009-01-28
STATE GRID ELECTRIC POWER RES INST +1
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Problems solved by technology

This storage processing method can better preserve long-term historical data, and will not form a large number of records in a single table. Data is obtained through the mapping relationship between data points, data tables, and data domains. association, so it is also inconvenient to obtain a variety of associated batch data
[0009] Other storage and processing methods for massive data in power dispatching fail to take into account both the requirements of massive storage and ease of use due to various reasons

Method used

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  • Method for storing electric power scheduling mass data
  • Method for storing electric power scheduling mass data
  • Method for storing electric power scheduling mass data

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Embodiment Construction

[0028] A preferred embodiment will be given below to further describe the storage technology of the present invention.

[0029] This embodiment is an analysis of the mass storage performance of the typical power dispatching data "generator active power and reactive power value in 5 minutes".

[0030] 1. According to the storage technology of the present invention, a wide-area dynamic equipment management model is first established, where the "generator" equipment type and the generator equipment instance table are established, and stored in each generator record, at least including ID, name, generator number The number is counted as 500, the generator IDs are 1, 2, ..., 500, and the generator names are #1 machine, #2 machine, ..., #500 machine, see figure 1

[0031] 2. Classify the massive data according to the sampling period, and get 1 sampling period: 5 minutes;

[0032] 3. Divide the data types and get 2 data types: active power and reactive power;

[0033] 4. Establish...

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Abstract

The invention relates to a method for storing mass data, in particular to a method for storing mass data of power dispatch. The method of the invention is characterized in that: a longitudinal storing mode is adopted to store data collected within a sampling period more than 30 minutes; a horizontal storing mode is adopted to store data collected within a sampling period less than or equal to 30 minutes. As the method of the invention further segments the mass data and adopts the most appropriate storing structure, a database still can have an excellent data access performance after storing the historical data of the power dispatch for a long time, thereby eliminating the problem of low efficiency in previous mass data storage.

Description

technical field [0001] The invention relates to a storage method for massive data, in particular to a storage method for power dispatching massive data. Background technique [0002] In order to ensure the safe and stable operation of the power grid and timely monitoring and management, the power system needs to use a variety of business subsystems to provide sufficient data support. For this reason, during the operation of each business system, a large amount of monitoring data and historical data that can effectively reflect the operation status of the power grid will be generated. At the same time, domestic power companies are developing rapidly in the field of informatization. The number of various business subsystems, especially secondary application systems, is increasing, and the types and scope of data generated are also expanding. [0003] After years of operation, various business systems have gradually accumulated a large amount of historical data, forming rich d...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D9/28
Inventor 俞刚林峰
Owner STATE GRID ELECTRIC POWER RES INST
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