Current Density Estimation and Visualization for Exposed Live Transmission Line Workers

摘要

This paper is about estimation and visualization of the current densities for live transmission line workers body tissues. The purpose of this investigation work was to evaluate the safety level of an exposed high voltage transmission line worker externally and internally. A typical utility 132-kV, 60 Hz transmission line was considered. The charge simulation method was used to compute the external electric field and Biot-Savart law was used for the magnetic field estimation. The live-line worker exposure simulation was conducted using EPRI's Workstation. To estimate the organs internal induced electric field and current densities, Finite Difference Time Difference computational algorithm method was implemented using EMPIRE commercial software. Visible Human was used to investigate several tissues. The obtained values of external and internal exposure fields level were well below the recommended international standards limits for the scenarios considered in this study.