Line mountain fire disaster assessment method and system without real-time acquisition of field information
A real-time acquisition and wildfire technology, applied in instruments, data processing applications, forecasting, etc., can solve the problems of wildfire trip probability calculation that cannot be practically applied, inaccurate conclusions of wildfire trip probability calculation, and actual inconsistency.
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Embodiment 1
[0139] Example 1, such as Figure 1-3 As shown in the first embodiment of the present invention, a method for assessing mountain fire disasters on a line that does not require real-time collection of on-site information, the method includes:
[0140] Step 1. The longitude and latitude of the location where the mountain fire occurred were monitored to be 111.7538 and 26.3875. Combined with the line tower coordinates in the transmission line mountain fire monitoring and early warning system, the alarm line was obtained as the 500kV Zizong I line of the State Grid Hunan Electric Power Company. The corresponding tower number is #294, and the vegetation type between the location of the mountain fire and the transmission line is found to be shrub vegetation by querying from the China Forestry Vegetation Distribution Database, and the vegetation height is z d 1.8m;
[0141] Step 2, judging that the fire behavior type of the fire site is a surface fire;
[0142] Step 3, obtain the i...
Embodiment 2
[0191] Embodiment 2, the line mountain fire disaster assessment system without real-time collection of on-site information described in the second embodiment of the present invention, the system includes:
[0192] The vegetation type determination module is used to determine the vegetation type S1 and vegetation height z between the location of the wildfire and the transmission line d , where the vegetation type is classified into coniferous forest, broad-leaved forest, mixed coniferous and broad-leaved forest, shrub, thatch, or a mixture of the above vegetation;
[0193] The fire behavior type judgment module is used to judge the fire behavior type of the fire. If the vegetation is shrubs and thatch, it is a surface fire; crown fire;
[0194] The alarm transmission line information module is used to obtain the information of the alarm transmission line, including the voltage level U of the transmission line and the distance H of the conductor to the ground tl , the splittin...
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