Work place: High Technical School of Professional Studies, Urosevac, in Leposavic, Serbia
E-mail: bokikibo850@gmail.com
Website:
Research Interests: Engineering
Biography
Bojan L. Jovanović: Professor at High Technical School of Professional Studies Urosevac with temporary seat in Leposavic. He received his PhD in 2013 at the Faculty of Electrical Engineering in Belgrade at the Department of Electrical Engineering and Computing He is author or coauthor 20 scientific and professional papers published in international and Serbian journals.
By Bojan L. Jovanovic Slobodan N. Bjelic Nenad A. Markovic
DOI: https://doi.org/10.5815/ijitcs.2017.09.01, Pub. Date: 8 Sep. 2017
Transient processes on the elements of installation with electric conductive material may endanger the environment in urban areas and therefore action must be taken to mitigate possible consequences and protect the environment. Installation layers of lines of underground installation (electrical, gas, water…) that are used for the flow of energy/fluids do not provide a full protection and currents of static discharge discharged into the soil are particularly dangerous. At static discharges conductors receive high potentials and a strong electric field is created around them, which will be greater as the conductivity of the soil is weaker.
If the value of the field is greater than the disruptive voltage of the soil around earth wire (probe) the breakthrough occurs and the majority of soil becomes conductive. Particular problem are components of high frequency currents or voltages. Disorders of frequency in the range of 50 Hz to 5 kHz that can affect the selection of installation parameters, in compliance with all environmental criteria, are simulated by adapted subprogram in the part of the package Sym Power MATLAB.
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