Method for measuring grounded resistance of grounded screen by short range measuring method
A technology of ground resistance and measurement method, which is applied in the direction of ground resistance measurement, etc., and can solve problems such as excessive length error of measurement leads
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[0046] A kind of preferred embodiment of the present invention is described in detail below:
[0047] The method provided by the invention comprises the following steps:
[0048] Step 1. Select the position of the current electrode according to the site conditions;
[0049] Step 2, according to the actual shape of the grounding grid to be tested, use a numerical calculation method to simulate the ground potential distribution of the grounding grid when there is no current pole, and obtain the ground potential distribution curve and ground potential rise (GPR) V1 of the grounding grid;
[0050] Step 3, according to the actual shape of the grounding grid to be tested, use a numerical calculation method to simulate the ground potential distribution of the grounding grid when there is a current pole, and obtain the ground potential distribution curve and ground potential rise (GPR) V2 of the grounding grid;
[0051]Step 4. According to the principle of potential compensation, the...
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