A method for measuring ground grid impact grounding resistance under the influence of different soil pH
A technology for impacting grounding resistance and soil pH, applied in the direction of grounding resistance measurement, etc., it can solve the problems of threatening equipment and personnel safety, large transient ground potential rise, etc., and achieve the effect of easy layout
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[0046] Such as figure 1 As shown, a ground grid impact grounding resistance measurement method under the influence of different soil pH includes the following steps:
[0047] Step 1: On-site pilot research
[0048] Select the soil resistivity ρ near the pole tower as 200Ω·m, the longest side length L1 of the grounding grid is 20m, and the cross-sectional area S1 of the grounding grid is 25*πmm 2 , the rectangular area S2 surrounded by the four sides of the grounding grid is 100m 2 area as the test area.
[0049] Step 2: Select the measurement point and assemble the combined experimental device
[0050] Select nine points on the grounding grid as measurement points, among which the four top corners of the grounding grid are 1, 2, 3, and 4 points respectively; 7, 8 o'clock; the center point of the grounding grid is 9 o'clock. The buried depth of the PH sensors is 0.8H, each sensor measures the PH value of the corresponding point, and the collected data is transmitted to the...
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