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A. A. Pedro
A. A. Pedro
G.V. Plekhanov Saint Petersburg Mining Institute
G.V. Plekhanov Saint Petersburg Mining Institute

Articles

Without section
  • Date submitted
    2012-09-05
  • Date accepted
    2012-11-30
  • Date published
    2013-03-01

Use of phase voltage dc – component for control of melting regular alumina composition

Article preview

A capability of control of melting alumina composition by means of a value of phase volt-age dc component is shown.

How to cite: Nikitina L.N., Suslov A.P., Pedro A.A., Vasilev V.V. Use of phase voltage dc – component for control of melting regular alumina composition // Journal of Mining Institute. 2013. Vol. 202. p. 192.
Automation of technological processes аnd manufactures in mining and processing industries
  • Date submitted
    2010-10-15
  • Date accepted
    2010-12-18
  • Date published
    2011-04-01

Аbout the nature of harmonic component with frequency of 100 Hz in electrodes current of ore-smelting furnace

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The presence of even harmonic components of current and, above all, the harmonic component with a frequency of 100 Hz is possible only if the electric circuit elements, the resistance of which depends on the direction of current. Such elements may be a contact of electrode with the melt and the electric arc AC. Change the relative content in electrode current harmonic component with a frequency of 100 Hz dependent from the penetration of the electrode in the melt and the degree of electric arc development.

How to cite: Pedro A.A., Beloglazov I.N., Beloglazov I.I. Аbout the nature of harmonic component with frequency of 100 Hz in electrodes current of ore-smelting furnace // Journal of Mining Institute. 2011. Vol. 192. p. 172.
Mathematical modeling of technological processes in metallurgy
  • Date submitted
    2007-10-09
  • Date accepted
    2007-12-06
  • Date published
    2008-04-01

Character of constant component of phase voltage of ore-heat furnaces for phosphorus and calcium carbide production

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On example of phosphoric and carbide furnaces is considered character of change and the nature of existence a constant component (Ucc) in a phase voltage of ore-smelting furnaces with closed furnace throat. The size and direction Ucc depends on a ratio of electrode processes chemical interaction with reactionary zone components and a degree of development and a condition of burning electric arch.

How to cite: Pedro A.A., Vasiliev V.V. Character of constant component of phase voltage of ore-heat furnaces for phosphorus and calcium carbide production // Journal of Mining Institute. 2008. Vol. 177. p. 156-160.