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In this paper is analyzing the current operating conditions of one of electric arc furnace (EAF) in order to evaluate the best option to solve the energy consumption problem. Also we evaluate existing process' equipment performance and point to improvement opportunities. Recommendations for the best operating set-points to run its EAF efficiently are presented. For compensating the reactive energy...
An electric arc furnace, ladle melt furnace, single-tank vacuum degasser and a four-strand continuous caster comprise this new melting and casting operation that support a rod and bar-in-coil rolling mill. This paper describes the design, analysis and operation of the electrical distribution system for this modern electric arc furnace and ladle melt furnace. First, the design of the electrical distribution...
In this paper, a new flicker contribution tracing method has been proposed to determine the individual flicker contributions of multiple electric arc furnace (EAF) loads to the flicker measured at the point of common coupling (PCC). The proposed method decouples the flicker contribution of the interconnected electricity system from the individual contributions of the loads connected to the measured...
Due to the increase of the number of wind turbines connected directly to the electric utility grid, new regulator codes have been issued that require low voltage ride-through capability for wind turbines so that they can remain online and support the electric grid during voltage sags. Conventional ride-through techniques for the doubly fed induction generator (DFIG) architecture result in compromised...
This paper addresses some major problems in steel plant power systems such as voltage fluctuations and flicker, load unbalance, current harmonics and reactive power and demonstrates the significance of reactive power management for steel plants power system. Two One-Cycle Control techniques for Hexagram Converter based STATCOM are presented. The first technique effectively achieves load balancing,...
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