Lightning activity expert analysis system on basis of GIS (geographic information system) technology

Abstract

The invention discloses a lightning activity expert analysis system on the basis of a GIS (geographic information system) technology. The lightning activity expert analysis system comprises a lightning data importing module, a data recalculation module, a lightning parameter statistics module and a display and output module. The lightning data importing module reads lightning sample data from lightning databases; the lightning parameter analysis module analyzes and calculates the verified lightning sample data; analysis results are displayed or outputted by the display and output module. The lightning activity expert analysis system has the advantages that the lightning activity expert analysis system on the basis of the GIS technology is researched and created by the aid of the GIS spatial analysis technology, so that spatial distribution of lightning information can be displayed and analyzed, lightning parameters can be conveniently and quickly analyzed, a full-set scheme can be provided for analyzing statistics samples of the measured data of lightning positioning systems, counting complete regional lightning parameters and counting corridor lightning parameters of power transmission lines, lightning protection design and evaluation platforms are provided for power grids, and powerful decision support can be provided for lightning protection work of the power grids.

Description

[0001] technical field [0002] The invention relates to a lightning activity expert analysis system based on geographic information system (GIS) technology, and belongs to the technical field of lightning positioning in electric power systems. Background technique [0003] With the rapid development of the power grid scale, the spatial distribution of the power grid is becoming more and more dense, and lightning has become an important factor that seriously affects the safe operation of the power grid. It is extremely important to improve the lightning protection and disaster mitigation capabilities of the power grid. According to statistics, in the total number of trips of high-voltage transmission lines in my country, the number of trips caused by lightning strikes accounts for 40% to 70%. Lightning protection and disaster mitigation are related to economic construction, social development and the safety of people's lives and properties. In order to reduce lightning loss...

AI Technical Summary

Problems solved by technology

In order to reduce lightning losses and reduce the risk of lightning strikes, human beings need more and more lightning parameters, and they are becoming more and more detailed. The location, terrain and landform changes, and targeted lightning parameters provide a basis for formulating more effective lightning protection measures with high economic and technical levels

[0004] At present, the functions of the power grid lightning positioning system established by various network provincial companies are relatively limited, focusing on lightning information query and fault location, and are still relatively deficient in lightning parameter statistics, lightning activity law analysis and lightning protection measures guidance, and there is no space for making full use of GIS technology The analysis function forms a comprehensive statistical analysis capability for lightning parameters such as lightning day, lightning hour, ground lightning density Ng, ground lightning density γ, total number of ground lightning, positive polarity ratio, average current, lightning current amplitude, etc. Lei design, evaluation help

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