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Power grid GIS data storage method based on time state

A data storage and power grid technology, which is applied in electrical digital data processing, data processing applications, special data processing applications, etc., can solve problems such as the inability to record the dynamic changes of data time, the inability to perform time series analysis and temporal processing, etc. Consistency and integrity, the effect of improved management

Inactive Publication Date: 2018-10-09
云南电网有限责任公司信息中心
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Problems solved by technology

[0003] Spatial objects have three basic attributes: spatial attributes, thematic attributes, and time attributes. Traditional GIS only pays attention to spatial attributes and thematic attributes when dealing with spatial objects. As a result, traditional GIS can only process the current state of data, or a certain historical A snapshot of the state, but cannot record the dynamic changes of data over time, and cannot perform time series analysis and temporal processing

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  • Power grid GIS data storage method based on time state
  • Power grid GIS data storage method based on time state
  • Power grid GIS data storage method based on time state

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Embodiment Construction

[0030] A temporal-based power grid GIS data storage method, which organizes the temporal characteristics, spatial characteristics and attribute characteristics of the power grid according to the spatio-temporal data model, and displays the data according to the temporal state after data storage, extraction and application processing. The specific process includes the following steps:

[0031] A. First divide the entire grid data into grid GIS data and grid operation data. Grid GIS data includes grid equipment spatial data, administrative area vector data and administrative area image data. Grid operation data includes production, scheduling, metering, meteorology, and online monitoring. and other data;

[0032] B. Establish a base state for grid GIS data and grid operation data to query the commissioning time of grid equipment, the creation time of vector data and image data in existing administrative areas, and establish the base state version of GIS data based on this time; ...

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Abstract

A power grid GIS data storage method based on the time state includes the following steps of A, dividing whole power grid data into power grid GIS data and power grid operation data; B, establishing abasic state for the power grid GIS data and the power grid operation data; C, setting the time of a modification state according to the change frequency of the power grid GIS data and the power gridoperation data; D, judging whether the data has already haven a basic state or not according to the set time of the modification state, if yes, combining a differential file into a corresponding basicstate version to form an increment modification state, and if not, establishing a basic state version on the basis of the current state; E, repeating the operations of the last step at the modification time of the modification state. By means of the method, the power grid operation state can be scientifically recorded in time, and the establishment of a power grid can be developed to be scientific, reasonable, capable of saving energy and protecting the environment, sustainable and the like.

Description

technical field [0001] The invention relates to the technical field of electric power GIS mass data storage and query, in particular to a temporal-based power grid GIS data storage method. Background technique [0002] With the increasing scale of the power grid, the development and change process of the power grid is accelerating. How to accurately and intuitively display the development and changes of the power grid scale and wiring, and predict the law of future power grid planning and construction has become an issue of great concern. The traditional GIS system can only reflect the state of the power grid at a certain moment, and lacks effective support in the traceability of historical information and the prediction of future power grid development. The temporal GIS quickly displays the historical changes of the power grid network topology through time playback, and analyzes the differences between the two historical nodes of the power grid through the comparison of the...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06Q50/06
CPCG06Q50/06
Inventor 李申章张雪坚何映军彭晓平段琳
Owner 云南电网有限责任公司信息中心
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