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Method for drawing power transmission line congelation tendency distribution diagram

A technology of transmission lines and distribution maps, which is applied in the fields of instruments, climate change adaptation, and data processing applications. It can solve the problems of blind spots, rough division methods, and inability to quantify the relationship between meteorological factors and trends, and achieve high accuracy and easy use. , The effect of facilitating the promotion and application

Inactive Publication Date: 2014-10-01
ELECTRIC POWER SCI RES INST OF GUIZHOU POWER GRID CO LTD +1
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

This division method is relatively rough and cannot quantify the relationship between meteorological factors and trends
Therefore, using the existing weather phenomenon forecast data to divide the meteorological trend area cannot truly reflect the actual situation on the spot, and there are still blind spots

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The drawing of the freezing trend distribution map of transmission lines is divided into two parts: data collection and drawing. The drawing software takes arcgis as an example.

[0017] 1. Data collection

[0018] The required data is the information of each weather station provided by the meteorological station, the meteorological element data forecasted by these weather stations in the next 24, 48, and 72 hours, and the administrative boundary layer file of the region. The meteorological element data includes temperature, humidity, wind direction and weather phenomena .

[0019] 1.1 Information of each weather station provided by the meteorological station

[0020] Weather station information mainly includes longitude and latitude information and altitude and other information.

[0021] 1.2 Forecast data of meteorological element data at each point provided by Provincial Meteorological Observatory

[0022] It is necessary to collect the meteorological element data...

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Abstract

The invention discloses a method for drawing a power transmission line congelation tendency distribution diagram. The method mainly comprises the steps that congelation tendency grades of all stations are obtained by establishing a relation model between the weather forecast element values and the congelation tendency grades on the basis of meteorological element data, provided by a meteorological observatory and forecasted in 24 hours, 48 hours and 72 hours, of the meteorological stations, and the congelation tendency distribution diagram is generated according to the data and the GIS interpolation algorithm. The congelation tendency distribution diagram drawn according to the method can forecast the congelation tendencies of all areas in 24 hours, 48 hours and 72 hours, and early warning information is provided for icing preventing and icing resisting in the power grid ice covering period.

Description

technical field [0001] The invention relates to a method for drawing a freezing trend distribution diagram of a transmission line in a power system. Background technique [0002] In recent years, the occurrence of freezing disasters on transmission lines has increased significantly. Once severe freezing disasters occur without early warning measures, the lines will be severely icing or even broken and towers will be broken, which will cause large-scale power outages and affect the safe and stable operation of the power grid. Therefore, early warning of severe freezing weather conditions has become a key problem that needs to be solved urgently for transmission lines, and how to determine the risk area and severity of freezing weather has become the primary consideration in solving the problem. [0003] The drawing of freezing trend distribution map is an important part of improving the power grid's ability to resist icing accidents, and it can provide early warning informati...

Claims

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Application Information

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IPC IPC(8): G06Q50/06
CPCY02A30/00Y04S10/50
Inventor 罗洪黄欢彭赤赵立进杜昊曾华荣
Owner ELECTRIC POWER SCI RES INST OF GUIZHOU POWER GRID CO LTD
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