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Thunder prevention method for power transmission and distribution line

A technology for transmission and distribution lines and transmission lines, which is applied in the direction of circuit devices, AC network circuits, electrical components, etc., can solve problems such as damage to substation equipment, power outage accidents, etc., to reduce lightning damage, facilitate lightning protection, and facilitate control measures Effect

Inactive Publication Date: 2017-05-31
王军录
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After the transmission line is struck by lightning, the lightning wave will invade the substation along the line, causing huge damage to the substation equipment, thus causing a power outage

Method used

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  • Thunder prevention method for power transmission and distribution line

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Effect test

Embodiment 1

[0024] Such as figure 1 As shown, the power transmission and distribution line lightning protection method of the present invention comprises the following steps:

[0025] a. Measure lightning weather data and record positioning information through the satellite measurement system of the National Meteorological Administration;

[0026] b. Send the lightning weather data and location information measured in step a to the adjacent transmission line substation control system;

[0027] c. The transmission line substation control system cuts off the power transmission of the transmission line in advance according to the time information in the measured lightning weather data;

[0028] d. According to the time information in the measured lightning weather data, the transmission line substation control system lags behind the power transmission of the transmission line.

[0029] The lightning protection method for transmission and distribution lines of the present invention can time...

Embodiment 2

[0031] As preferably, in order to realize the present invention better, optimize further on the basis of above-mentioned embodiment, adopt following setting structure especially: Described National Meteorological Bureau satellite measurement system includes interconnected operational forecasting system, statistics system and radar Satellite information processing system; the operational forecasting system processes meteorological data, calculates models, transmits the formation process of thunderstorms in real time, and determines accurate azimuth and time. Because the National Meteorological Administration satellite measurement system includes an interconnected operational forecasting system, statistical system and radar satellite information processing system; the operational forecasting system processes meteorological data, calculates models, transmits the thunderstorm formation process in real time, and determines Accurate azimuth and time can provide accurate lightning for...

Embodiment 3

[0033] As a preference, in order to better realize the present invention, the above-mentioned embodiment is further optimized, and the following setting structure is adopted in particular: the statistical system is applied to long-term forecast and analysis of probability statistics. Since the statistical system is applied to the long-term forecast and analysis of probability statistics, it can roughly determine the main lightning time and lightning location from a macro perspective, so that the staff can draw attention and attention in advance to reduce the damage caused by lightning.

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Abstract

The invention relates to the field of power transmission, in particular to a thunder prevention method, which is simple in step, convenient in thunder prevention and low in cost, for a power transmission and distribution line. The thunder prevention method comprises the following steps: measuring thunder and lightning weather data through a satellite measurement system of the state meteorological administration, and recording positioning information; sending the thunder and lightning weather data and the positioning information measured in the previous step to an adjacent power transmission line transformer substation control system; cutting off power transmission of the power transmission line in advance according to time information in the measured thunder and lightning weather data through the power transmission line transformer substation control system; and connecting power transmission of the power transmission line in a lagged mode according to the time information, measured by the power transmission line transformer substation control system, in the thunder and lightning weather data. According to the thunder prevention method for the power transmission and distribution line, the satellite measurement system of the state meteorological administration is matched with the power transmission line transformer substation control system, so that damages, on the power transmission line, of thunder and lightning can be timely and conveniently reduced, and therefore, the thunder prevention method has the characteristics of simple steps, convenient thunder prevention and low cost.

Description

technical field [0001] The invention relates to the field of power transmission, in particular to a lightning protection method for power transmission and distribution lines with simple steps, convenient lightning protection and low cost. Background technique [0002] Electricity is one of the most important energy sources for social development and construction, so the stability and safety of transmission lines is of great significance. In real life, a major factor that threatens transmission lines is lightning weather. Therefore, adequate lightning protection work should be done on transmission lines, and at the same time, through the application of national meteorological software, weather conditions can be grasped more accurately, so as to comprehensively maintain the safety and stability of power lines. [0003] According to relevant statistics, more than 50% of tripping accidents of high-voltage transmission lines in my country are caused by lightning strikes. This s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00
CPCH02J3/00H02J2203/20
Inventor 王军录
Owner 王军录
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