Keyword: «grounding»

It is proposed to use a new parameter for assessing the electrical properties of frozen soils – electromagnetic resistance. The use of this parameter makes it possible to take into account, in addition to conduction currents in soils determined by electrical resistance, also displacement currents determined by their dielectric permittivity. This contributes to a more efficient allocation of thawed watered areas in frozen soils for grounding, preserving conductive properties and when freezing soils in winter. Examples of practical application of electromagnetic resistance and evaluation of its effectiveness are given.

The article discusses laboratory tests of heating electrodes in order to determine the interaction of the structural elements of the grounding system and the grounding system as a whole for quantitative and qualitative indicators to improve the efficiency of electric power systems in a cold climate.