<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>An effective means for improvement of technical and economic indicators of EAF DC are graphitized cored electrodes, designed at the E.O. Paton Electric Welding Institute. The research works of the first stage, carried out in the industrial furnaces of the type EAF DC-12, showed that the arc of the cored electrode is always maintained in the center of the electrode, a stable electric mode of melting is provided on long arcs and low voltages of the power source. It was established that the voltage in the near cathode area, as well as the range of current and voltage pulsation of the cored electrode arc is significantly lower than in the standard (monolithic) graphitized electrode. These factors determined the saving of active energy, reduction of reactive power losses, increase in cos φ and reduction of the furnace noise level</p>
</abstract>

An effective means for improvement of technical and economic indicators of EAF DC are graphitized cored electrodes, designed at the E.O. Paton Electric Welding Institute. The research works of the first stage, carried out in the industrial furnaces of the type EAF DC-12, showed that the arc of the cored electrode is always maintained in the center of the electrode, a stable electric mode of melting is provided on long arcs and low voltages of the power source. It was established that the voltage in the near cathode area, as well as the range of current and voltage pulsation of the cored electrode arc is significantly lower than in the standard (monolithic) graphitized electrode. These factors determined the saving of active energy, reduction of reactive power losses, increase in cos φ and reduction of the furnace noise level

Efficiency of Using Cored Graphitized Electrodes on Electric Arc Furnaces of Direct Current

Advances in Materials Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

An effective means for improvement of technical and economic indicators of EAF DC are graphitized cored electrodes, designed at the E.O. Paton Electric Welding...

Efficiency of Using Cored Graphitized Electrodes on Electric Arc Furnaces of Direct Current

Published Online: Mar 11, 2023

Page range: 82 - 97

DOI: https://doi.org/10.2478/adms-2023-0006

Keywords
cored graphitized electrodes, active and reactive energy, volt-ampere characteristics, current and voltage pulsations

© 2023 А.G. Bogachenko et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Efficiency of Using Cored Graphitized Electrodes on Electric Arc Furnaces of Direct Current

Published Online: Mar 11, 2023

Page range: 82 - 97

DOI: https://doi.org/10.2478/adms-2023-0006

Keywordscored graphitized electrodes, active and reactive energy, volt-ampere characteristics, current and voltage pulsations

© 2023 А.G. Bogachenko et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
cored graphitized electrodes, active and reactive energy, volt-ampere characteristics, current and voltage pulsations