Research on the Influence of Large Capacity DC Arc Furnace Connection on Power Grid Harmonics
Large capacity DC arc furnaces are high-power nonlinear loads that generate numerous harmonics during operation,impacting the power quality of the power grid.This article,using the distribution network architecture and parameters of a 130-ton DC arc furnace,establishes a dynamic simulation model for a large capacity DC arc furnace with power quality control de-vices.The harmonic emission characteristics and influencing factors of the large capacity DC arc furnace are analyzed.Based on on-site measurements and simulation results,the harmonic characteristics of the large capacity DC arc furnace connected to the power grid are analyzed.The filtering effect of the Static Var Compensator governance device is verified,providing a reference for the supervision and governance of DC arc furnace.
direct current electric arc furnace(DC EAF)harmonicpower qualitystatic var compensator
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