A comparative study of modelling AC electric arc by one-dimensional interpolation for power system harmonics analysis
National Chung Cheng University, Department of Electrical Engineering, 62102 Chia-Yi, Taiwan (R.O.C.)
Electric arc is a discharge phenomenon caused by particular electrical events and arc produced facilities in power system, for example the occurrence of short-circuit fault in feeders and the use of electric arc furnace for steel-making. All of these electric arcs have a highly nonlinear nature and can be considered as a significant source of power quality problems. To investigate the impacts of the electric arcs on power quality studies the development of the electric arc models for simulation analysis is became necessary. This paper thus presents the use of different one-dimensional interpolation methods for modelling the alternating current electric arc. The performances of different methods are compared by simulation results that are derived from the modelling of an alternating current electric arc furnace load and a low-frequency fluorescent tube.
© The Authors, published by EDP Sciences, 2016
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