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A gis-based wind speed early warning information processing method for transmission lines

An information processing method and transmission line technology are applied in the field of GIS-based wind speed early warning information processing for transmission lines, which can solve problems such as difficulty in meeting the operation requirements of East China Power Grid, and achieve the effect of reducing the probability of risk false alarms and accurate risk judgment.

Active Publication Date: 2016-01-13
SHANGHAI MUNICIPAL ELECTRIC POWER CO +2
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Problems solved by technology

[0003] Due to the rapid development of the current power grid construction and scale, coupled with the impact of severe weather such as typhoons and ice disasters, relatively fixed expected fault sets will be difficult to meet the needs of power grid development and various harsh and changeable East China power grid operations

Method used

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  • A gis-based wind speed early warning information processing method for transmission lines
  • A gis-based wind speed early warning information processing method for transmission lines
  • A gis-based wind speed early warning information processing method for transmission lines

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Embodiment

[0020] Such as figure 1 As shown, a GIS-based transmission line wind speed early warning information processing method includes the following steps:

[0021] Step 1: The area distributed with transmission lines on the GIS map is divided into several grid areas, and the resolution of each grid area is 9km;

[0022] Step 2: Obtain the position information of the transmission line towers in each grid area, and calculate the direction of the transmission line between the two towers, and save it;

[0023] Step 3: Obtain the wind speed and wind direction information in each grid area from the public network, which can be calculated according to the interpolation algorithm provided by the Meteorological Bureau after receiving the meteorological information.

[0024] Step 4: According to the information obtained in Step 2 and Step 3, judge whether there is a risk in each tower. The basis for judging is: if Vw≤Vs×90%×k, the tower is safe; Then the tower is at risk, where, Vw is the w...

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Abstract

The invention relates to an air speed early warning information processing method of a transmission line based on a geographic information system (GIS). The method comprises the steps: dividing a region on a GIS map distributed with the transmission line into a plurality of grid regions; acquiring location information of a transmission line tower in each of the grid regions, calculating and storing moving direction of the transmission line between the two towers; acquiring air speed information and air direction information in each of the grid regions from a public network; judging whether each of the towers has risk according to the acquired information; and launching the early warning information according to the result of risk judgment. In comparison with the prior art, the air speed early warning information processing method of the transmission line based on the geographic information system is high in accuracy of early warning and is capable of effectively improving the operation safety of the transmission line.

Description

technical field [0001] The invention relates to an information processing method, in particular to a GIS (Geographic Information System, geographic information system)-based transmission line wind speed early warning information processing method. Background technique [0002] The safe and reliable operation of power transmission and transformation equipment is closely related to the meteorological environment. In the past, the safety assessment of the power grid did not take into account the meteorological environmental factors. With the rapid development of the power grid, meteorological factors such as typhoons, lightning, rain, and heavy fog have an increasing impact on the safe operation of the power grid. It is necessary to establish a comprehensive analysis model based on the forecast information of meteorological parameters to give the risk of power transmission and transformation equipment. The analysis and suggestions can provide a basis for formulating disaster p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCY02A90/10Y04S10/50
Inventor 郑旭
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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