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Lightning protection method and system

A lightning protection device, lightning overvoltage technology, applied in emergency protection circuit devices for limiting overcurrent/overvoltage, electrical components, spectrum analysis/Fourier analysis, etc., can solve the absence of lightning strike lightning protection methods, etc. problem, to achieve the effect of preventing the occurrence of lightning strikes

Inactive Publication Date: 2014-03-05
STATE GRID CORP OF CHINA +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, there is no lightning protection method for lightning strikes caused by lightning overvoltage at present.

Method used

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  • Lightning protection method and system
  • Lightning protection method and system

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0049] an embodiment

[0050] See figure 1 , which shows a flowchart of a lightning protection method provided by the present application, which may include the following steps:

[0051] Step S11: The overvoltage online monitoring device sends a control signal to the lightning protection device when it judges that the overvoltage signal in the power grid is a lightning overvoltage signal through a preset lightning overvoltage model.

[0052] In this embodiment, the overvoltage onl...

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Abstract

The invention provides a lightning protection method. The method comprises the steps that when an overvoltage on-line monitoring device judges that overvoltage signals in a power grid are lightning overvoltage signals through a preset lightning overvoltage model, control signals are sent to a lightning protection device. The anti-thunder device conducts lightning protection operation after receiving the control signals. The lightning protection method and system prevent lightning stroke events caused by the lightning overvoltage signals.

Description

technical field [0001] The present application relates to the field of lightning protection, in particular to a lightning protection method and system. Background technique [0002] In the actual operation of the power grid, overvoltage poses a greater threat to the equipment in the power grid, especially in the current situation where the lightning protection technology is continuously improved by increasing the creepage ratio distance of the line, and the threat of lightning overvoltage to the substation and substation equipment is increasing. big. How to prevent the occurrence of lightning strikes caused by lightning overvoltage has become an urgent problem. [0003] However, there is currently no lightning protection method for lightning strikes caused by lightning overvoltages. Contents of the invention [0004] In order to solve the above technical problems, the embodiment of the present application provides a lightning protection method and system to achieve the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H3/22H02H9/04G01R23/16
Inventor 杨跃平余敏徐剑中王锦强
Owner STATE GRID CORP OF CHINA
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