Arc extinguishing and lightning protection method based on liquid-electric effect and Pascal principle
A liquid-electric effect and arc extinguishing technology, which is applied in the direction of circuits, electrical components, spark gaps, etc., can solve the problems of limited ability to attenuate the amplitude of current, achieve the goal of reducing steepness, protecting direct lightning overvoltage, and avoiding damage to equipment Effect
Pending Publication Date: 2021-11-30
南宁超伏电气科技有限公司
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[0004] The purpose of the present invention is to provide an arc extinguishing and lightning protection method based on the electro-hydraulic effect and Pascal principle, to solve the technical problem that the existing lightning protection and arc extinguishing device has limited ability to attenuate the current amplitude, and to improve the performance of a single lightning protection and arc extinguishing device. Attenuation intensity of high current during arc extinguishing
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[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many of the details listed in the specification are only for readers to have a thorough understanding of one or more aspects of the present invention, and these aspects of the present invention can be implemented even without these specific details.
[0027] A method of arc extinguishing and lightning protection based on electrohydraulic effect and Pascal's principle, said method comprising the following steps,
[0028] Step 1: Set up a sealing tube such as figure 1 As shown, the upper electrode 1 and the lower electrode 6 are arranged at both ends of the sealing tube for sealing, the insulating oil 2 is arranged inside the sealing tube, and the skirt 4 is arranged on the side of the sealing tube. The sealed ...
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The invention discloses an arc extinguishing and lightning protection method based on a liquid-electric effect and a Pascal principle, and belongs to the technical field of arc extinguishing and lightning protection. The method comprises the steps that a sealing pipe is arranged, an upper electrode and a lower electrode are arranged at the two ends of the sealing pipe in a sealed mode respectively, insulating oil is arranged in the sealing pipe, a skirt edge is arranged on the side edge of the sealing pipe, when arc discharge is caused in the sealing pipe filled with the insulating oil, the electro-hydraulic effect generates impact waves rushing to the side wall, the Pascal effect enhances the electro-hydraulic effect, when the arc acts on the insulating oil and the pressure intensity of a certain part of the static insulating oil is changed, the arc is transmitted to all directions of the inner side of the sealing pipe without changing, impact waves of the liquid-electric effect and the Pascal effect impact the side edge and then return to impact, the arc channel which is aligned with the center is concentrated for impact arc extinguishing, and arc extinguishing is completed. According to the invention, the electric arc is cut off rapidly, the electric arc discharges in the liquid to generate a liquid-electric effect, impact pressure waves are formed rapidly, and the impact electric arc is cut off immediately when being formed.
Description
technical field [0001] The invention relates to the technical field of arc extinguishing and lightning protection, in particular to an arc extinguishing and lightning protection method based on the hydroelectric effect and Pascal's principle. Background technique [0002] Lightning strikes will bring different forms of damage and destruction to power facilities, and thundercloud discharge will cause lightning strike overvoltage in the power system. Lightning overvoltage may cause damage to insulators and transmission lines; the impact flashover caused by lightning strikes on transmission lines will cause flashover of line insulators, and then generate a large power frequency continuous current, damage insulator strings and fittings, and cause line accidents; Electric shock on the transmission line or lightning protection line may cause broken strands or even rupture, making the power transmission work impossible. [0003] The existing lightning protection and arc extinguish...
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IPC IPC(8): H01T1/08H01B17/44
CPCH01T1/08H01B17/44
Inventor 王嬿蕾王巨丰卢杨骆耀敬宋永锋李浩何琪文贾征浩陈宇宁
Owner 南宁超伏电气科技有限公司
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