Electric Arc Furnace (EAF) Modelling and Comparative Study of Flicker Mitigation Techniques

Abstract

In the steel production, electrical arc furnace EAF is mainly used for melting the scrap iron. In steel production is increased by using EAF. The EAF is an extremely non-linear and massive power load, but due to EAF is stochastic functioning of an EAF, in the research of the power quality enhancement is motivated. The EAF operation power quality is introduced, the power quality negative consequences decides are characteristics and non-characteristics harmonics, voltage flicker effect, low power factor that arises in the electrical network in operation of the EAF. The quality disturbance are harmonics and current flicker. In the dynamic analysis of the power quality to voltage flicker is studied. The dynamic and static analysis of the EAF we taken examined to study the survival of the voltage flicker in the power system, The analysis of the harmonic is conveyed out to current harmonic is clarify under different types of EAF operation in the power system, so that controller, filter and PWM are used. The controller is hysteresis current and vector current are used to reduce the harmonic through the filter. The pulse width modulation generates the sinusoidal waveform. The EAF operation is beyond the permitted levels as per IEEE references, so as to mitigate the harmonic  problems due to an EAF , a rapid dynamic reactive power compensation devices like series passive filter with vector current and hysteresis current controller is being proposed as a solution, The power system has been simulated using MATLAB and the results were tabulated.