Journal of Electrical Engineering : Volume 17 / 2017 - Edition : 1

STUDY AND COMPARISON BETWEEN HARMONICS GENERATED IN STEEL INDUSTRY

Authors:
Yacine DJEGHADER
Hocine LABAR
Zoubir Chelli
Riad Toufouti
Domain:
industrial electrical power systems
Abstract:
In Steel Industry a DC electric arc furnace (DC EAF) is an important nonlinear time-varying load in power system. The operation of DC EAF causes many power quality problems especially they generate currents harmonics. In this paper we present a model of DC Electric Arc Furnace based on the stochastic nature of the electric arc current-voltage characteristic. For the study of harmonics generated in this steel industry with different structures proposed basing on utilization of twelve power rectifiers. The model has been implemented using a numerical simulation environment to facilitate later analysis. Finally, the simulation results are compared with different structures of a DC EAF, when the total Harmonic Distortion (THD) is determined and spectral representation to compares between each structure.
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