Simulation and Experimental Study of Temporary Grounding Potential Distribution in Power Engineering

Focusing on the problems of high grounding resistance and surface potential in the temporary grounding of the current outdoor power engineering construction, it is easy to cause electric shock safety of construction workers. In this paper, CDEGS simulation calculation software is utilized to establish the grounding dispersion model of horizontal bare copper stranded grounding conductor, calculate the grounding resistance value and surface potential distribution characteristics of temporary grounding device under different laying lengths and soil resistance conditions, and compare and analyze the grounding dispersion characteristics of horizontal bare copper stranded and common vertical grounding pile. In view of the actual outdoor construction conditions of power engineering, a calculation model for the dispersion of temporary grounding device was established. At the same time, the dispersion characteristics of grounding conductor under the mixed geomorphic condition of cement road surface and soil were calculated. Through the simulation calculation results, proved by single dimension and the structure of vertical grounding pile as the risk of temporary grounding device, the laying suggestions of grounding device under the actual construction conditions of temporary grounding are given. The relevant research conclusions can provide reference for the construction safety of temporary grounding scene in power engineering.