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N. Marković

Publications (4)

Idling and Short-circuit Analysis of a Three-phase Power Transformer Represented by a Scheme with Distributed Parameters and П line Scheme in the Electrical Network

N. Marković, S. Bjelić, F. Marković & U. Jakšić · Current Journal of Applied Science and Technology · 2023

Aims: The paper presents a simulation of a theoretical model of electromagnetic extreme regimes, idling and short circuit, in a three-phase power transformer. The main goal of this paper is to show in a quality way that the computer simulation of the obtained theoretical model us...

Open access Research Article 10.9734/cjast/2023/v42i94091

New Theoretical Model of Electric Arc in Circuit Breaker and the Role of Parallel Resistance – The Shunt

S. Bjelić, N. Marković, U. Jakšić & F. Marković · Current Journal of Applied Science and Technology · 2021

Aims: The paper presents a new theoretical model of an electric arc in a circuit breaker with reference to the role of shunt resistance parallel to the electric arc in a circuit breaker switch. One of the goals of the paper is to show the efficiency of using the software package...

Open access Research Article 10.9734/cjast/2021/v40i2931540

Development of the Model for Simulation of Transient Processes in Cables and Power Lines

U. Jakšić, N. Marković, J. Živanić & N. Milenković · Current Journal of Applied Science and Technology · 2018

Aims: The paper presents a model of the power line and the equivalent scheme for the simulation of the transient processes. Many constructions of conductive lines are such that mutual parameters (inductance, capacitance) are the same for any pair of phases, and the phase paramete...

Open access Research Article 10.9734/CJAST/2017/39169

Theoretical Model of the Electric Field of Stray Currents in Underground Installations in Urban Environments

S. Bjelić, B. Jovanović, Z. Bogićević, N. Marković & I. Bjelić · Current Journal of Applied Science and Technology · 2017

Aims: Paper presents the graphically observe the impact of parameters on equipotential forces. By adjusting the corresponding parameters their operation in the space can be significantly reduced. Graphics of positive and negative features equalizing line is obtained using Wolphra...

Open access Research Article 10.9734/BJAST/2017/31690