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Öğe Investigation of characteristics of electric arc furnace operation(Institute of Electrical and Electronics Engineers Inc., 2017) Seker, Mustafa; Memmedov, Arif; Huseyinov, RafaelElectric Arc Furnaces(eaf) are nonliear loads which are occured the power quality problems in electrical grids. Because of theese reasons, teh operational characteristic of EAF must be understanding very well. In this paper, Operation characteristics of MVA EAF which is located in Sivas Iron and Steel Inc. (SIDEMIR) has been examined for different EAF transformator taps. In adition to, CA 8332 power analyzer meaurements obtained from the input power in EAF and static characteristics have been compared and current values and optimal operation condations for EAF loads can be determined. © 2016 The Chamber of Turkish Electrical Engineers.Öğe Investigation of Characteristics of Electric Arc Furnace Operation(IEEE, 2016) Seker, Mustafa; Memmedov, Arif; Huseyinov, RafaelElectric Arc Furnaces(eaf) are nonliear loads which are occured the power quality problems in electrical grids. Because of theese reasons, teh operational characteristic of EAF must be understanding very well. In this paper, Operation characteristics of MVA EAF which is located in Sivas Iron and Steel Inc. (SIDEMIR) has been examined for different EAF transformator taps. In adition to, CA 8332 power analyzer meaurements obtained from the input power in EAF and static characteristics have been compared and current values and optimal operation condations for EAF loads can be determined.Öğe Power Quality Measurement and Analysis in Electric Arc Furnace for Turkish Electricity Transmission System(KAUNAS UNIV TECHNOLOGY, 2017) Seker, Mustafa; Memmedov, Arif; Huseyinov, Rafael; Kockanat, SerdarDuring the recent years, with its increasing steel production, Turkey has succeeded to become one of the ten biggest steel producer countries in the world. In Turkey, there are 3 integrated plants and 27 Electric Arc Furnace (EAF) plants in operation for iron-steel production. 71,3 % of the steel products was produced by EAF plants and also it is planned for new plants to produce with arc furnaces. In this study, power quality problems caused by 60MVA arc furnace at Sivas Iron and Steel Incorporated Company (SIDEMIR), have been examined by HIOKI 3197 and Chauvin Arnoux(CA) 8332B power quality analysers according to IEC 61000-4-30 standards. In addition, with equivalent circuit model designed by utilizing Electromagnetic Transient Program(EMTP) software, possible harmonic effects on the electricity grid have been evalauted and by determining power quality problems caused by EAF-60 furnace, solution offers were presented in order to improve power quality.Öğe The modelling and simulation of static VAR compensator (SVC) system for electric arc furnace with Matlab/Simulink(Institute of Electrical and Electronics Engineers Inc., 2017) Seker, Mustafa; Memmedov, Arif; Huseyinov, RafaelElectric Arc Furnaces (EAF) are nonlinear and time-variying loads caused to many electrical power quality problems in electrical grids. Nonlinear secondary current and reactive power are the mainly effect of EAF loads for these power quality problems In this study, three phase electrical arc furnace system which is feeding the 60 MVA EAF located in Sivas Iron and Steel Inc.(SIDEMIR) has been modelled with Matlab/Simulink. Electrical arc are modelled as exponatianl-hyperbolik function and random flicker effect are used for the determination od the Flicker effect. In addition to Static VAR Compensator system has been modelled for the inversigation the reactive power copmpansation. Trigger control system has been created for the adjusting the CVS triger angle automaticaly. Performed studies suggest that it may be used in the analysis of power quality problems caused by the electric arc furnace load of this model. © 2016 The Chamber of Turkish Electrical Engineers.
