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Earth electrode installation method and earth electrode

An installation method and grounding electrode technology, applied in the field of substations, can solve problems such as poor resistance reduction effect

Active Publication Date: 2015-04-08
GUANGZHOU ELECTRIC POWER DESIGN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a grounding electrode installation method and a grounding electrode installation method to solve the problem of poor resistance reduction effect caused by the current grounding electrode installation method.

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  • Earth electrode installation method and earth electrode

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Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0013] Such as figure 1 As shown, it is a schematic flow chart of an embodiment of the ground electrode installation method of the present invention, including steps:

[0014] Step S101: Measure the diagonal value of the horizontal ground grid, and intercept the ground electrode with a length value of 1.1 to 1.3 times the diagonal value; wherein, the horizontal ground grid can also be called a horizontal ground grid.

[0015] Step S102: Insert one end of the ground electrode into the ground at a set inclination angle, and connect the other end of the ground electrode to the horizontal power grid; wherein, the inclination angle is the angle between the ground electrode and the horizontal plane of the horizontal power grid, ranging from 30 degrees to 60 degrees Spend.

[001...

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Abstract

The invention discloses an earth electrode installation method and an earth electrode. The earth electrode installation method comprises measuring the diagonal line value of a horizontal ground network, intercepting an earth electrode by a length of 1.1 to 1.3 times of the diagonal line value, inserting one end of the earth electrode into the ground at a certain inclination angle, and connecting the other end of the earth electrode to a horizontal power network, wherein the inclination angle is an included angle between the earth electrode and the horizontal surface of the horizontal power network, and the scope of the inclination angle is from 30 degrees to 60 degrees. According to the scheme provided by the invention, through measuring the diagonal line value of the horizontal ground network, the earth electrode is intercepted by the length of 1.1 to 1.3 times of the diagonal line value, and the obtained earth electrode is inserted into the ground at the inclination angle of 30 degrees to 60 degrees, such that the earthing resistance of an earthing network is greatly reduced, and the operation safety of the earthing network of a transformer station is improved.

Description

technical field [0001] The invention relates to the technical field of substations, in particular to a method for installing a ground electrode and the ground electrode. Background technique [0002] In the power system, for the needs of work and safety, the shell of the power system and its electrical equipment, zero potential reference point, shielding layer, etc. are often connected to the earth, which is called grounding. The substation grounding system is the fundamental guarantee and important measure to maintain the safe and reliable operation of the power system and ensure the safety of operating personnel and electrical equipment. The power frequency grounding resistance value is an important technical index of the grounding system of the power generation substation. It is an important parameter to confirm the effectiveness and safety of the grounding system and to identify whether the grounding system meets the design requirements. [0003] At present, the groundi...

Claims

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Application Information

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IPC IPC(8): H01R43/00H01R4/66
CPCH01R4/66H01R43/00
Inventor 孙旭梁杰粱振升
Owner GUANGZHOU ELECTRIC POWER DESIGN INST
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