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Method for improving power grid resource space position precision

A technology of resource space and spatial location, applied in electrical digital data processing, structured data retrieval, instruments, etc., can solve problems such as unsatisfactory power grid data quality, spatial location data errors, etc., and achieve high conversion frequency and few operation steps Effect

Inactive Publication Date: 2017-10-20
祥云供电有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to various restrictions on the data collection conditions of power grid equipment, the quality of the collected grid data is not ideal, and there are errors in the spatial location data, etc.

Method used

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  • Method for improving power grid resource space position precision
  • Method for improving power grid resource space position precision
  • Method for improving power grid resource space position precision

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Experimental program
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Embodiment Construction

[0030] See figure 1 , a method for improving the spatial location accuracy of power grid resources, including two modules and technical means: the two modules are composed of a spatial data coordinate format unification module and a spatial data location accuracy improvement module; wherein:

[0031] 1) Spatial data coordinate format unification module:

[0032] Spatial data storage method: In the database field, directly store the coordinates in the longitude and latitude fields; when OracleSpatial stores, manages, and queries spatial data, it stores the spatial data in the spatial field sdo_Geometry, including the type of geometric object, the coordinates of the geometric object, Geometry object whose geometry type is point, variable-length array explaining how the coordinates are stored and the real coordinates of the geometry object; use shp file to store spatial data; file-based data storage has no topological data structure, and the data format requires less hard disk sp...

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Abstract

The invention provides a method for improving power grid resource space position precision. According to the method, two modules are arranged, and a technological means is provided. The two modules are constituted by making a space data coordinate format united module and a space data position precision improving module connected. The technological means comprises 1, space data storage, 2, an affine rectification method and 3, a least square method. The method for improving the power grid resource space position precision has the advantages that a space data processing function is provided, the steps of data coordinate converting operation are few, and the converting frequency is high. The method for improving the power grid resource space position precision is not limited; in addition, according to common technological knowledge and common means in the field, modification, replacement or alternation made in other more forms all fall into the scope of right protection.

Description

technical field [0001] The invention relates to the field of improving the location accuracy of massive power grid spatial data collected in various ways, and specifically relates to a method and application for improving the spatial location accuracy of power grid resources. Background technique [0002] With the increasing data of power grid resources, data processing becomes particularly important in the daily production and maintenance of power grids. However, due to various restrictions on the data collection conditions of power grid equipment, the quality of the collected power grid data is not ideal, and there are errors in the spatial position data, etc., which cannot well undertake follow-up work such as grid equipment grid formation and equipment maintenance. [0003] ArcGIS has powerful mapping, spatial analysis, data editing, and data management functions. The spatial correction provided by it is widely used in rough processing of data, correction of spatial data...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06Q50/06
CPCG06F16/29G06Q50/06
Inventor 王有斌程立光李文雯王莉珠刘洁李云峰何利丽
Owner 祥云供电有限公司