The research protocol geoelectrical characteristics of the soil at the site of future TS 110/10 (20) kV-Podi-Sibenik

Abstract

An important prerequisite for the correct and economical dimensioning of the earth electrode is the knowledge of the geoelectric properties of the soil in which the earth electrode is placed. Unlike technical conductors, which can be considered essentially homogeneous, their resistance can be read quite precisely from technical manuals, so it is necessary to determine the soil resistance by direct measurements at the very place where the earth electrode is placed. However, due to the inhomogeneity of the soil, one measurement is never enough. At the location of the future Podi substation, 20 sounding curves were recorded, approximately evenly distributed over the surface of the future facility. The measurements were performed using the vertical electrical sounding (VES) method with the Schlumberger probe arrangement, with overlapping. The interpretation of the sounding curves was performed using the least squares method with the use of a computer, using the Hook-Jewees numerical method.

Type
Stanko Milun
Stanko Milun
Full Professor

Faculty alumnus with a research focus in the development of measurement methods in high-voltage systems, signal analysis in electrical power systems, and the application of geoelectrical methods in energy infrastructure. Prof. Milun has been involved in numerous scientific projects, including those related to the optimization of grounding systems for high-voltage plants and the development of transient measurement methods. He has authored 38 scientific papers and over 150 professional studies.

Goran Petrović
Goran Petrović
Full Professor | Department of Electrical Measurements

Prof. dr. sc. Goran Petrović is a full professor at the Faculty of Electrical Engineering, Mechanical Engineering and Architecture in Split. His research interests include measurement of electrical and process quantities, analysis of geoelectrical and geothermal features of the soil, instrumentation for smart grids, measurement and application of synchrophasors. He is the author of numerous papers published in top-tier scientific journals and contributed to valuable international and national scientific projects.

Dražen Rubinić
Dražen Rubinić
Senior Laboratory Technician | Department of Electrical Measurements