STUDY OF THE INFLUENCE OF GROUND RESISTANCE ON THE RESISTANCE OF GROUNDING DEVICES (BY THE EXAMPLE OF THE NARYN REGION)

Abstract

The resistance of the grounding device depends on the resistivity of the soil, therefore, when calculating the design and reconstruction to strengthen the grounding devices, it is necessary to take into account the structure and layering of soils, the climatic conditions of the region. The article contains experimental and calculated results of the influence of soil properties on the value of their resistivity. On the example of the electrical resistivity of the soil at the locations of power facilities in the Naryn region, the calculation of the resistance of a vertical ground electrode was made, taking into account the upper and equivalent resistances of the upper and lower soil layers. Calculation errors are determined when only the upper layer is taken into account. Graphs of the dependence of the vertical earth electrode on its length are given, taking into account and without taking into account the heterogeneity of the earth and the climatic conditions of the Naryn region. A comparative analysis of the use of various variants of vertical ground electrodes is shown.