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Scheduling real-time section data generation method and system

A cross-section data and cross-section technology, which is applied in the field of dispatching real-time cross-section data generation methods and systems, can solve the problems of discrete time information and inconsistent update time, so as to improve accuracy, reduce storage pressure, and eliminate asynchronous measurement effect of influence

Active Publication Date: 2018-11-23
CHINA ELECTRIC POWER RES INST +2
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  • Application Information

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Problems solved by technology

[0005] However, the transmission mechanism of steady-state data with time scale inherits the second-level transmission over the dead zone of steady-state data transmission. The update time of each data measurement of each plant and station is not consistent, and the time information is discrete. At the same time, the data coverage is wide and the application Wide range, unable to provide real-time ideal cross-sections to eliminate the influence of measurement asynchrony for basic applications of power systems

Method used

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  • Scheduling real-time section data generation method and system
  • Scheduling real-time section data generation method and system
  • Scheduling real-time section data generation method and system

Examples

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Embodiment 1

[0058] Embodiment 1: as figure 1 A dispatching real-time cross-section data generation method shown in the figure stores and organizes discrete steady-state data with time scales according to time scales, and provides synchronous power grid real-time data ideal cross-sections for basic power system applications such as state estimation, which is conducive to improving the dispatching control system The accuracy of data analysis and other related applications supports the development of related applications with time scales. The steps are as follows:

[0059] Step 1: collecting measurement data and working condition information, and integrating the collected measurement data and the working condition information;

[0060] Step 2: Periodically store the integrated measurement data according to the preset time interval;

[0061] Step 3: Based on the periodically stored measurement data, the generated section data is extracted according to the preset section time.

[0062] Speci...

Embodiment 2

[0108] Based on the same inventive concept, the present invention also provides a scheduling real-time section data generation system, such as image 3 shown, including:

[0109] Data collection and integration module: used to collect measurement data and working condition information, and integrate the collected measurement data with the working condition information;

[0110] Periodic storage module: used to periodically store the integrated measurement data according to the preset time interval;

[0111] Section generating module: used for extracting the generated section data according to the preset section time based on the periodically stored measurement data.

[0112] The data collection and integration module includes: a data collection sub-module and a data integration sub-module;

[0113] The data collection sub-module is used to collect measurement data and working condition information;

[0114] The data integration sub-module is used to perform time-scale measu...

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Abstract

The invention provides a scheduling real-time section data generation method and system. The method comprises the following steps: acquiring measurement data and working condition information based ona master station and sub-stations of a power grid, and integrating the acquired measurement data and working condition information; storing the integrated measurement data periodically according to apreset time interval; and generating section data according to a preset section moment based on the periodically-stored measurement data. Through the adoption of the method and the system, real-timeshort-period storage of time scale measurement data can be realized. Moreover, section moment selection and section data selection are performed on the basis of the storage structure to form a real-time ideal section capable of eliminating the effect of measurement asynchrony. The accuracy of relevant applications for data analysis and the like of a scheduling control system can be increased, andthe development of relevant applications with time scales is supported.

Description

Technical field: [0001] The invention belongs to the field of electric power system scheduling automation, and in particular relates to a method and system for generating real-time section data for scheduling. Background technique: [0002] The process of power production is a process of balancing supply and demand. The power grid carrying power transmission has characteristics such as instantaneous, systematic, and complex. The cross-sectional data of the power grid at a certain moment are interrelated and balanced. However, due to factors such as collection, transmission, and processing, the data from data collection to substation integrated automation system to power dispatching automation system has different degrees of delay. The asynchronous delay of time makes the data seen on the power dispatch automation system not necessarily at the same time section of the power grid, and there are certain errors in the analysis of the power grid; especially under disturbance cond...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCY02E60/00
Inventor 王艳赵家庆庄卫金苏大威孙名扬李春于芳余璟丁宏恩黄龙达俞瑜徐攀吴博文徐秀之
Owner CHINA ELECTRIC POWER RES INST
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