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Lightning-protection nanometer magnet choke device

A technology of electric nanometer and magnetic resistance, which is applied in the direction of circuit devices, emergency protection circuit devices, emergency protection circuit devices for limiting overcurrent/overvoltage, etc., can solve the complex problems of lightning protection and lightning protection, and achieve weakening of lightning current Destruction, simple installation, and the effect of reducing lightning overvoltage

Active Publication Date: 2013-12-25
成都星河科技产业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the lightning protection situation of high-voltage transmission lines is very complicated, and the problem cannot be completely solved by erecting lightning rods and lightning receptors on poles and towers alone.

Method used

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Examples

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example 1

[0021] Example 1: XHZL-L line-type lightning protection nano-magnetoresistive current device

[0022] Diameter: 103mm

[0023] Thickness: 35mm

[0024] Weight: 1.25kg

[0025] Device shell: engineering plastics,

[0026] Magnets in the device shell: nano-magnets

[0027] Its saturation magnetic induction is 1.2T, and its high initial permeability is 8×10 4 , The resistivity is 80μΩ / cm, and the equivalent access inductance of 48μH is formed at the installation node;

[0028] The nano-magnet is a 10-20 nm microcrystalline nano-magnet made of nano-powder, which is mainly composed of iron elements and doped with a small amount of Cu, Ni, Al, Co, and Mn elements;

[0029] Suitable for high-voltage transmission line transmission voltage level: 35KV / 110 KV / 220 KV / 330 KV

[0030] Electrical parameters are:

[0031] Working frequency (H Z ) 50 5k 1M 2M 10M Impedance not less than (Ω) - 1 200 4000 20000

example 2

[0032] Example 2: XHZL-T terminal type lightning protection nano magnetoresistive current device

[0033] Diameter: 103mm

[0034] Thickness: 63mm

[0035] Weight: 2.6kg

[0036] Device shell: engineering plastics,

[0037] Magnets in the device shell: nano-magnets

[0038] Its saturation magnetic induction is 1.2T, and its high initial permeability is 8×10 4 , The resistivity is 80μΩ / cm, and an equivalent access inductance of 52μH is formed at the installation node;

[0039] The nano-magnet is a 10-20 nm microcrystalline nano-magnet made of nano-powder, with iron as the main body and a small amount of Cu, Ni, Al, Co, Mn doped;

[0040] Suitable for high-voltage transmission line transmission voltage level: 35KV / 110 KV / 220 KV / 330 KV

[0041] Electrical parameters are:

[0042] Working frequency (H Z ) 50 5k 1M 2M 10M Impedance not less than (Ω) - 1 300 5000 26000

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Abstract

The invention provides a lightning-protection nanometer magnet choke device. A magnet inside a shell body is formed by combining two semi-circular nanometer magnets of the same diameter and the same thickness, a wire penetrating hole is formed in the center of the two combined semi-circular nanometer magnets, and a bolt connecting block and a bolt combined with the respective semi-circular nanometer magnets and used for fixing the two semi-circular nanometer magnets are manufactured at the two ends of one diameter line of the two combined semi-circular nanometer magnets respectively. The lightning-protection nanometer magnet choke device is an important component of a high-voltage electricity transmission line lightning-protection system, is buckled on an electricity transmission line at the two ends of an insulator chain, makes no electric contact with the electricity transmission line, has no line impedance and power frequency impedance, only has overvoltage impact impedance, has the functions of reflection, isolation, chromatic dispersion and radiation on lightning waves, can effectively restrain the spreading of line small current shielding failure lightning waves and prevent insulator shielding failure flashover, and is easy to install, free of maintenance and detection, low in operation cost and long in service life.

Description

technical field [0001] The invention relates to a lightning protection nano-magnetic resistance current device, in particular it is an important component used in a high-voltage transmission line lightning protection system. It is buckled on the transmission line at both ends of the insulator, has no electrical contact with the transmission line, has no line impedance, no power frequency impedance, and only overvoltage impulse impedance. Background technique [0002] Lightning is a discharge phenomenon of the earth's atmosphere, usually by negatively charged thunderclouds, the electrostatic induction of the earth's surface makes a capacitor between the thundercloud and the earth's surface, the electric field strength of this capacitor increases with the accumulation of thundercloud charges And continue to increase, when the electric field strength exceeds the breakdown strength of the atmosphere, a pulse discharge between the thundercloud and the earth occurs, which is what...

Claims

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Application Information

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IPC IPC(8): H02H9/04H02G7/00H01F7/02
Inventor 郭玉章张强
Owner 成都星河科技产业有限公司
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