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Regionalization-based Lightning Risk Assessment Method for Distribution Lines

A technology for risk assessment and power distribution lines, applied in the field of electronic information, can solve problems such as complex distribution network line conditions, no technical support for lightning protection work planning, and lack of distribution network lines, so as to improve power supply reliability and lightning protection horizontal effect

Active Publication Date: 2020-10-02
武汉水院电气有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The conditions of distribution network lines are complex, and there is a lack of technical means for collecting, sorting, and analyzing basic data of distribution network lines. Without technical support, it is impossible to carry out lightning protection work in a planned, reasonable and efficient manner

Method used

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  • Regionalization-based Lightning Risk Assessment Method for Distribution Lines
  • Regionalization-based Lightning Risk Assessment Method for Distribution Lines
  • Regionalization-based Lightning Risk Assessment Method for Distribution Lines

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Embodiment Construction

[0033] The present invention will be further described in detail below in conjunction with specific embodiments.

[0034] The regionalization-based lightning risk assessment method for distribution lines of the present invention comprises the following steps:

[0035] a) Determine the area: determine the target area for lightning risk assessment of distribution lines;

[0036] b) Data collection: According to the target area of ​​step a), collect the tower information of all distribution lines in the target area, including tower number, tower longitude, tower latitude, insulator model, tower height, target time (such as the past three years or Lightning strike failures in the past five years); collect lightning activity information in the target area within the target time (the lightning strike time in the past three years or the past five years), including the number of the lightning strike point, the longitude of the strike point, the latitude of the strike point, and the am...

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Abstract

The invention discloses a distribution line lightning damage risk assessment method based on regionalization. The distribution line lightning damage risk assessment method based on regionalization comprises the steps of determining a region, collecting data, assessing a geographical environment, assessing a lightning withstand level, analyzing lightning damage risks, and regarding a pole tower having topographic risk assessment result and overvoltage risk assessment result features simultaneously as a key protection pole tower. The distribution line lightning damage risk assessment method can realize regional lightning damage prevention and treatment, and provides scientific, quantitative and effective basis for intra-regional power distribution network lightning protection governance; by implementing the distribution line lightning damage risk assessment method, limited fund can be invested to key lines and key sections (dangerous lines, dangerous sections), so as to achieve the most economical investment, obtain the optimum lightning protection effect, improve the overall lightning protection level of the intra-regional power distribution lines, and enhance power supply reliability; and the distribution line lightning damage risk assessment method can be used for assessing lightning damage risks of the power distribution line at the early stage of construction, provides necessary technical support for the design unit, and makes the optimum line erection design scheme.

Description

technical field [0001] The invention belongs to the technical field of electronic information, and in particular relates to a regionalization-based lightning damage risk assessment method for distribution lines. Background technique [0002] Distribution network lines are widely distributed, large in number and low in insulation level. They are the ground facilities that are most vulnerable to lightning strikes. Although various lightning protection technical measures have been adopted, line trips caused by lightning strikes still rank first among all kinds of tripping causes. [0003] Around the lightning protection of distribution network lines, there have been two problems that have not been resolved: [0004] 1. Where is the distribution network lightning protection device installed? [0005] There are many distribution network lines and complex basic conditions. In the process of design and construction, lightning protection is not considered enough, resulting in a cer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06G01R31/12
CPCG01R31/1245G01R31/1272G06Q10/0635G06Q50/06
Inventor 邱凌戴兵蒋先毅
Owner 武汉水院电气有限责任公司
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