Charge simulation modeling for calculation of electrically induced human body currents

Abstract

A new method is described for investigating the distribution of the electric field in the human body subjected to high voltage. The electric field distribution is obtained from Laplace's equation. This method of analysis is based on the charge simulation method coupled with genetic algorithms to determine the appropriate arrangement, optimum number and radius of simulating ring charges inside the human body. The presented model for simulating electrical field is a three dimensional field problem. The results have been assessed through comparison with the magnitude of total induced charge and its distribution over the body surface, as estimated in other experimental and computational work. The accuracy of the simulation is satisfied for the potential error, (not more than 1 %), and the field deviation angle, (not more than 5 degree) over the human body.

Software for Calculating the Non-Uniform Electric Field Causing Electrical Tree in Underground Cables

“…In the study of electrical breakdown of dielectric, and the design of high voltage devices a complete knowledge of electric field distribution is very important [5][6][7][8][9][10].…”

Transmission lines induced currents in human bodies using charge simulation method

“…Increased Induced charge density and current due to perturbed field was also calculated in [5]. New method of calculating induced electric fields and currents on human body is also presented in [3]. An analytical calculation of the magnetic field produced by electric power lines is produced in [6][7][8], which is suitable for flat, vertical, or delta arrangement, as well as for hexagonal lines.…”

“…Calculation of Induced electric field and currents on the human body due to unperturbed and uniform electric field undemeath the transmission line has been discussed in the literature [1] [3][4][5]. Increased Induced charge density and current due to perturbed field was also calculated in [5].…”

“…The largest Transmission lines in operation today are in the range of lOOOkV and above. These lines generate very strong electric and magnetic fields around them [1][2][3], so, it is necessary to express the field interaction with human life in close proximity to the transmission line.…”

“…For this reason, several approximate solutions have been derived, with the body represented by a hemisphere, hemispheroid, or cylinder. CSM [3,5,9], is used with approximation cylindrical shape for the human body and spherical shape for the head. Details will be discussed in the section of Mathematical Modeling.…”