Electric transmission line wildfire warning method

A technology for transmission lines and wildfires, which is applied in the field of transmission line wildfire alarms, can solve problems such as cumbersome calculation of alarm distances, and achieve the effects of fast calculation speed, improved calculation efficiency, and improved accuracy.

Active Publication Date: 2014-07-16
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to propose a method of warning the transmission line

Method used

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  • Electric transmission line wildfire warning method
  • Electric transmission line wildfire warning method
  • Electric transmission line wildfire warning method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Collect geographic basic data of towers. Online collection of transmission line tower scattered point set G in entrusted provinces,

[0033] G={a 1 (lon 1 ,lat 1 ),a 2 (lon 2 ,lat 2 ),…,a n (lon n ,lat n )},

[0034] In the formula, G is the scattered point set of transmission line poles and towers, a n Scatter points for the nth tower, lon n is the longitude of the scattered points of the nth tower, lat n It is the latitude of the scattered point of the nth tower.

[0035] According to the above formula, continue to collect the geographic basic data of each transmission line tower scattered point contained in the formula, the geographic basic data includes voltage level, latitude and longitude coordinates, transmission line name and, geographic information layer data, vegetation distribution layer data;

[0036] (2) Divide fire point buffer zone. Let the satellite monitoring fire point be f i (x i ,y i ), where f iMonitor the fire point for the i-...

Embodiment 2

[0041] Steps (1)~(4) are the same as in Example 1;

[0042] (5), judge whether the channel is unimpeded. Search online for combustible passages between transmission lines in the entrusted province and the fire point. According to the transmission line vegetation distribution layer and geographic information layer of the entrusted province collected online, according to the following rule B: if there is continuous vegetation between the fire point and the transmission line where the adjacent tower is located and there is no obstacle to prevent the fire from spreading, it means that the The combustible passage between the fire point and the transmission line is unblocked, and the step (6) is entered;

[0043] (6) Calculate the distance between the fire point and the transmission line where the adjacent tower is located. find the fire point f i (x i ,y i ) two adjacent towers a on the same transmission line and closest to the fire point i1 (lon i1 ,lat i1 ), a i2 (lon i...

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Abstract

The invention discloses an electric transmission line wildfire warning method which comprises the steps of (1) collecting tower geography basis data; (2) obtaining fire point relief areas through division; (3) searching for a tower near the fire point; (4) judging the electric transmission line where the tower near the fire point is located; (5) judging whether a channel is unblocked, coming to the end if the channel is blocked, and continuing to conduct the next step if the channel is unblocked; (6) calculating the distance between the fire point and the electric transmission line where the tower near the fire point is located; (7) calculating a warning message and releasing the warning message according to rules D-F. The method has the advantages of being high in calculation speed, high in efficiency, and capable of avoiding the searching for extraterritorial towers, conducting warning calculation on multiple fire points at the same time, improving warning accuracy, better conforming to the reality, and avoiding repeated warning on multiple towers of the same electric transmission line.

Description

technical field [0001] The invention belongs to the technical field of electric power engineering, and in particular relates to a mountain fire alarm method for power transmission lines. Background technique [0002] When a wildfire occurs near a power transmission line, it will spread below it within a few minutes to tens of minutes, causing a trip. Therefore, when a mountain fire is detected by the satellite, it should quickly calculate the alarm formed by the fire point to the transmission line, so as to gain valuable time for on-site rescue measures. However, the transmission lines in each province are intricate, with hundreds of thousands to millions of towers, and during the period of high wildfires, some provinces have hundreds of fire points in a day, so the calculation of a large number of fire points and massive The distance between poles and towers can actually be regarded as a calculation problem of finding the nearest neighbors from scattered point data. In th...

Claims

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Application Information

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IPC IPC(8): G08B17/00G08B25/00
CPCG08B17/00G08B25/00
Inventor 陆佳政刘毓张红先李波方针
Owner STATE GRID CORP OF CHINA
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