Modelling and Simulation of the Melting Process in Electric Arc Furnaces-Influence of Numerical Solution Methods

2015 ◽  
Vol 87 (5) ◽  
pp. 581-588 ◽  
Author(s):  
Thomas Meier ◽  
Vito Logar ◽  
Thomas Echterhof ◽  
Igor Škrjanc ◽  
Herbert Pfeifer
Keyword(s):  
Numerical Solution ◽  
Melting Process ◽  
Electric Arc ◽  
Modelling And Simulation ◽  
Electric Arc Furnaces ◽  
Arc Furnaces ◽  
Numerical Solution Methods ◽  
Solution Methods

scholarly journals New Arc Stability Index for Industrial AC Three-Phase Electric Arc Furnaces Based on Acoustic Signals

Sensors ◽  
2020 ◽  
Vol 20 (23) ◽  
pp. 6840
Author(s):  
Juan Guerra-Serrano ◽  
Angel Sánchez-Roca ◽  
Guillermo González-Yero ◽  
Mario C. Sánchez-Orozco ◽  
Mercedes Pérez de la Parte ◽  
...  
Keyword(s):  
Harmonic Distortion ◽  
Stability Index ◽  
Melting Process ◽  
Acoustic Signals ◽  
Electric Arc ◽  
Electrical Networks ◽  
Electric Arc Furnaces ◽  
Arc Furnaces ◽  
Starting Point ◽  
Three Phase

This research proposes a new index to evaluate the stability of the melting process, in three-phase electric arc furnaces (EAFs), based on the acoustic signals generated during the different stages of the casting. The proposed stability index is obtained by characterizing the time and frequency domain of the acoustic signals. During EAF monitoring, acoustic signals were acquired using a microphone coupled to an NI USB-9234 acquisition system. To validate the results, the voltage and current signals were measured with the aid of a Circutor AR6 power analyzer for three-phase electrical networks. The results showed that the acoustic signal energy in the frequency range of 1 to 12 kHz can be used as an indicator of the process stability in the EAF. Finally, the validity of the proposed stability index is evaluated from the process characterization using the harmonic distortion analysis methods and the dynamic U-I characteristics of the arc voltage and current signals. The results obtained demonstrated the effectiveness of the proposal and constitute a starting point for advances in the automatic control of the process in the EAF, from the acoustic signals.

Predicting the Power Consumption during Furnace Charge Melting in Steelmaking Electric Arc Furnaces

Vestnik MEI ◽  
2019 ◽  
Vol 6 ◽  
pp. 83-90
Author(s):  
Anatoliy M. Kruchinin ◽  
◽  
Mikhail Ya. Pogrebisskiy ◽  
Elena S. Ryazanova ◽  
Andrey Yu. Chursin ◽  
...  
Keyword(s):  
Power Consumption ◽  
Electric Arc ◽  
Furnace Charge ◽  
Electric Arc Furnaces ◽  
Arc Furnaces

A new approach to the modelling of electric arc furnaces with representative voltage samples

2014 ◽  
Vol 25 (7) ◽  
pp. 1173-1186 ◽  
Author(s):  
Ljubiša Spasojević ◽  
Igor Papič ◽  
Boštjan Blažič
Keyword(s):  
Electric Arc ◽  
New Approach ◽  
Electric Arc Furnaces ◽  
Arc Furnaces

Virtual Analyzer of the Voltage and Current Spectrum of the Electric Arc in Electric Arc Furnaces

2021 ◽  
Vol 2021 (6) ◽  
pp. 713-719
Author(s):  
A. S. Simakov ◽  
M. E. Trifonova ◽  
D. V. Gorlenkov
Keyword(s):  
Electric Arc ◽  
Electric Arc Furnaces ◽  
Current Spectrum ◽  
Arc Furnaces

scholarly journals Virtual Neutral to Ground Voltage as Stability Index for Electric Arc Furnaces

2011 ◽  
Vol 51 (11) ◽  
pp. 1846-1851 ◽  
Author(s):  
Fernando Martell ◽  
Alejandro Deschamps ◽  
Rafael Mendoza ◽  
Miguel Meléndez ◽  
Armando Llamas ◽  
...  
Keyword(s):  
Stability Index ◽  
Electric Arc ◽  
Electric Arc Furnaces ◽  
Arc Furnaces
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