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Lightning stroke link risk judging method based on thunder and lightning information

A technology for lightning location and wiring, applied in electrical digital data processing, special data processing applications, instruments, etc.

Inactive Publication Date: 2012-08-22
EAST CHINA ELECTRIC POWER TEST & RES INST
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Problems solved by technology

[0005] The task of the present invention is to provide a lightning strike line risk judgment method based on lightning location information, which overcomes the difficulties of the prior art, based on the quasi-real-time data provided by the lightning location system, and calculates and analyzes according to the situation of lightning around the line, and then according to the The distance from the lightning area to the line and the density of lightning are classified, and the risk of lightning tripping of the affected line can be given according to the required prediction time

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  • Lightning stroke link risk judging method based on thunder and lightning information
  • Lightning stroke link risk judging method based on thunder and lightning information

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specific Embodiment

[0031] It is assumed that the lightning activity statistics of 500kV line corridors in the designated area in the previous hour are carried out every 5 minutes. According to the lightning strike density of each line corridor, the risk of the line being struck by lightning is analyzed, and the lightning strike risk equipment set at a time point of every 5 minutes in the next 1 hour is given. .

[0032] 1. Establish a lightning statistics buffer

[0033] Lightning falling in the line corridor means that the line is at risk of being struck by lightning, and the more lightning strikes, the greater the risk. Due to the movement of thunderclouds, the distance between the lightning strike point and the line reflects the difference in time of the lightning strike line. Therefore, it is considered to carry out lightning statistics on line corridors by division and division.

[0034] 1) Build 5 buffers parallel to the line:

[0035] The lightning induction buffer zone is the area of ...

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Abstract

The invention relates to a lightning stroke link risk judging method based on thunder and lightning information, which comprises the following steps of: 1, establishing a thunder and lightning statistic buffer zone, and establishing five buffer zones in parallel with a line; 2, counting a ground lightning density of each buffer zone, and counting and sequencing by sections; and 3, forecasting a data flow. According to the lightning stroke link risk judging method based on the thunder and lightning information, on the basis of near real-time data provided by a thunder and lightning locating system, calculation and analysis are carried out according to the condition of ground lightning around the line, then grading is carried out according to the distance between the ground lightning zone and the line and the ground lightning density, and the lightning stroke link risk degree of the influenced line can be given according to the required prediction time.

Description

technical field [0001] The invention relates to the fields of lightning observation technology, early warning technology and the like, in particular to a lightning strike line risk judgment method based on lightning location information. Background technique [0002] Due to the wide distribution of power system lines, they are easily affected by lightning damage during thunderstorm seasons. At present, lightning location can provide quasi-real-time lightning monitoring, and use this information to implement early warning of lightning strikes on lines. [0003] With the development of power system and the improvement of line level, the proportion of lightning damage in line fault tripping is increasing day by day. The East China Power Grid lightning location system has been put into operation for many years and has accumulated a large amount of data on lightning activities in East China. On this basis, the lightning density map of East China Power Grid has been drawn to guid...

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Application Information

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IPC IPC(8): G06F19/00
Inventor 顾承昱郑旭赵文彬
Owner EAST CHINA ELECTRIC POWER TEST & RES INST
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