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Today, electrical arc furnaces (EAF) are used widely to produce steel and its alloys. This kind of furnace has a noticeable superiority over the other types of furnaces because of its steel production procedure. Nevertheless EAF emerges as a large, nonlinear and time-varying load in the power system which causes many power quality problems such as current unbalance, harmonic pollution and poor power...
Operation of voltage-source inverter with fully controlled front-end stage supplied from an unbalanced power grid has been investigated and analyzed. A method of finding optimal switching functions based on various optimizing criteria has been investigated that generates the demanded output DC-link current. The overall power factor and current unbalance have been used as the optimizing criteria. The...
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