Abstract
Voltage flicker, a phenomenon of annoying light intensity fluctuation is caused by Electric Arc Furnace (EAF). Voltage flicker is a major power quality concern for both power companies and customers. This paper presents a model of EAF and control algorithms for Distribution STATic synchronous COMpensator (DSTATCOM) for voltage flicker mitigation. The EAF was modeled as a current source controlled by a non linear resistance. Two control algorithms were developed. One of the methods is based on instantaneous reactive power p-q theory and the other method is based on synchronous reference frame d-q theory. Both the control schemes are simulated using MATLAB/SIMULINK along with the SimPowerSystem Block set. In both the controllers compensating reactive currents are generated which help in the mitigation of voltage flicker.
Published Version
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