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Power grid equipment overhaul-oriented meteorological disaster forewarning model construction method

A technology for meteorological disasters and power grid equipment, applied in forecasting, climate sustainability, instruments, etc., can solve problems such as low reliability of equipment, low coverage, difficult installation and maintenance, etc., to achieve guaranteed access speed, guaranteed loading speed, and control The effect of memory usage

Inactive Publication Date: 2016-02-24
STATE GRID CORP OF CHINA +2
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, the deployment of monitoring points is only in a relatively small area, the coverage rate is low, the installation and maintenance are extremely difficult, and the reliability of the equipment is low
In addition, the constraints of natural conditions and facility costs make it very difficult to improve micro-meteorological coverage
In terms of meteorological forecasting, since the meteorological department is unable to carry out long-term and unconventional means (intensive observation, etc.) (meteorology, geographical location, etc.) are still far from meeting the requirements of power companies for disaster weather forecasting
In terms of the connection between meteorology and power grid, the connection between meteorological information and power grid is not close enough, and advanced technologies and means such as geographic information system (GIS) cannot be used to accurately provide meteorological information on the location of power grid transmission lines and equipment

Method used

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  • Power grid equipment overhaul-oriented meteorological disaster forewarning model construction method
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  • Power grid equipment overhaul-oriented meteorological disaster forewarning model construction method

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Embodiment Construction

[0029] 1) The weather collection site provides real-time weather data, and the data is organized in the form of ; the target device is organized in the form of description; use formula Estimate the meteorological value Z of the location where the device is located. d i Indicates the distance between the collection point and the target point; u is a magnification factor, and the larger the value of u, the smaller the influence of the collection point data on the farther distance on the estimation; Z i Refers to the meteorological value of collection point i.

[0030] 2) According to the outline of the administrative area and the topology data of the equipment, calculate the part of the line inside the administrative area. First, for each line and each area outline, determine whether the straight line segment between every two towers intersects with the area outline, and if so, divide the line at this intersection point to generate two sub-lines, and so on until The end of ...

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Abstract

The invention relates to a power grid equipment overhaul-oriented meteorological disaster forewarning model construction method, and belongs to the technical field of dispatching automation of electric power systems. According to the method, algorithms such as interpolation, choroplethic map generation and text analysis are carried out to comprehensively analyze the power transmission line and equipment faults caused by meteorological disasters in the power grid operation process, so as to establish a comprehensive forewarning model from weather to equipment; and the equipment overhaul information, meteorological information and equipment forewarning information are displayed through a geographic information platform in a panoramic multi-angle manner, so as to provide technical support for overhauling the power grid equipment and reducing the adverse influences, generated by the disastrous weather, on the power grid operation. The method has the benefit of reasonably controlling the use of internal memory. According to the method, the least recently used map segments are timely replaced and released so as to effectively control the internal memory occupation and ensure the loading speed of the map segments; and the meteorological disaster forewarning model is established, so that the relationship between the equipment faults and the meteorological disasters is clear, and a very important role is played in the prediction of power grid equipment risks and the reasonable arrangement of overhaul schedules.

Description

technical field [0001] The invention belongs to the technical field of electric power system scheduling automation. Using algorithms such as interpolation, color spot map generation, and text analysis, the comprehensive analysis of transmission lines and equipment failures caused by meteorological disasters during the operation of the power grid is used to establish a comprehensive system from weather to equipment. Early warning model, and display equipment maintenance information, meteorological information, and equipment early warning information through a panoramic and multi-angle geographic information platform, providing technical support for power grid equipment maintenance and reducing the adverse impact of disastrous weather on power grid operation. Background technique [0002] In recent years, with the continuous expansion and extension of the grid scale, disastrous weather such as lightning, freezing, heavy (rain) snow, and typhoons have an increasing impact on the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCY02A90/10Y04S10/50
Inventor 刘涛曹宇喻宏元王守琴李勇刘慧勇张胜殷智孙新德徐家慧吕东晓黄海煜
Owner STATE GRID CORP OF CHINA
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