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Reinforced grounding current diffusion device of power transmission line tower

A technology for power transmission lines and diffusers, which is applied in the direction of connecting contact materials, metal/alloy conductors, etc., can solve problems such as difficulty in meeting requirements, and achieve the effects of increasing electrical conductivity, reducing grounding resistance, and strong corrosion resistance.

Active Publication Date: 2013-05-22
ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

All in all, the development of the power system has put forward higher and higher requirements for grounding technology, and it is difficult to meet the requirements only by traditional grounding devices and grounding technologies

Method used

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  • Reinforced grounding current diffusion device of power transmission line tower
  • Reinforced grounding current diffusion device of power transmission line tower
  • Reinforced grounding current diffusion device of power transmission line tower

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as Figure 1 ~ Figure 4 As shown, a power transmission line pole tower reinforced grounding diffuser mainly includes an acupuncture grounding electrode 1 , an empty stomach column 2 , and a water injection pipe 3 . The main function of the fasting column 2 is to keep the clay layer and the surrounding soil moist, and the conductive ions generated by hydrolysis will increase the conductivity of the soil and greatly improve the resistivity of the soil. The water injection pipe 3 is a steel pipe with a diameter of 15mm and a length of about 300mm, which is welded to the upper semi-cylindrical shell of the hollow cylinder, and its main function is to inject water into the hollow cylinder through the water injection pipe. The acupuncture grounding electrode 1 is fixed to the four corners of the upper half cylindrical shell of the hollow cylinder 2 with bolts, so as to disperse the current and flow into the soil.

[0032]The acupuncture grounding electrode 1 is composed...

Embodiment 2

[0035] A power transmission line pole tower reinforced grounding diffuser, same as embodiment 1, wherein: the length of the horizontal grounding electrode 4 is 2000mm, the length of each acupuncture conductor 5 is 200mm, and the length of each acupuncture conductor 5 The center of each of the two adjacent poles is welded to the middle of the horizontal ground electrode 4 at a distance of 200 mm.

Embodiment 3

[0037] A power transmission line pole tower reinforced grounding diffuser, same as embodiment 1, wherein: the length of the horizontal grounding electrode 4 is 1500 mm, the length of each of the acupuncture conductors 5 is 150 mm, and the length of each of the acupuncture conductors 5 The center of each of the two adjacent poles is welded to the middle of the horizontal ground electrode 4 at a distance of 150 mm.

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Abstract

The invention discloses a reinforced grounding current diffusion device of a power transmission line tower. The reinforced grounding current diffusion device mainly comprises needle grounding electrodes, a hollow column and a water injection pipe. The reinforced grounding current diffusion device has the advantages of simple structure, convenience in construction, low engineering cost, good current diffusion characteristic, low grounding resistance, corrosion resistance, zero environmental pollution and the like, can be widely applied to reducing grounding resistance, and is particularly applicable to arid regions, rocky regions, regions with high soil resistivity and regions with violent thunderstorm activities.

Description

technical field [0001] The invention belongs to the technical field of electrical grounding devices, and in particular relates to a reinforced grounding diffuser for power transmission line poles and towers. Background technique [0002] To reduce the grounding resistance of the line tower, the measures often adopted in the project mainly include increasing the area of ​​the ground grid, increasing the size of the grounding body, increasing the buried depth of the grounding body, introducing external grounding, using the natural grounding body, replacing the soil, and adopting the method of reducing Resist, etc. These resistance reduction measures have their relative application conditions. Only by adopting different methods for different regions and different soil conditions can the grounding resistance be effectively reduced. However, in the process of implementation, problems such as difficult construction, high engineering cost, limited site conditions, and environmenta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R4/66H01B1/02
Inventor 朱时阳邓雨荣王乐谢植飚黄志都
Owner ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD
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