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V. V. Sobolev
V. V. Sobolev
Postgraduate student
G.V. Plekhanov Saint Petersburg Mining Institute
Postgraduate student
G.V. Plekhanov Saint Petersburg Mining Institute

Articles

Geotechnical engineering, powerengineering and automation
  • Date submitted
    2009-08-17
  • Date accepted
    2009-10-25
  • Date published
    2010-02-01

Compensation of supply station reactive power by means of the mine main fan electric drive

Article preview

On the basis of comparative analysis of the mine main fan electric drive input voltage-current characteristics, a frequency-variable drive with pulse width modulation (PWM) rectifier and PWM inverter is shown to be the most competitive one because of its capability to independently implement the substation power factor correction and the mine air flow energy-saving control.

How to cite: Sobolev V.V., Shonin O.B. Compensation of supply station reactive power by means of the mine main fan electric drive // Journal of Mining Institute. 2010. Vol. 186. p. 136-139.
Mining electromechanics
  • Date submitted
    2005-06-06
  • Date accepted
    2005-07-04
  • Date published
    2006-01-01

Control of energy quality parameters in networks with nonlinear load

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This paper estimates the quality parameters of electrical energy in the electrical network of the St. Petersburg State Mining Institute. Experimental studies and computer modeling allowed to establish the influence of non-sinusoidal currents of PC power units on the degree of voltage distortion and overestimation of neutral current.

How to cite: Tyagushev S.Y., Sobolev V.V. Control of energy quality parameters in networks with nonlinear load // Journal of Mining Institute. 2006. Vol. № 1 167. p. 201-203.
Mining
  • Date submitted
    1994-09-04
  • Date accepted
    1994-11-03
  • Date published
    1995-03-01

Аэрогазодинамика выработанных пространств

Article preview

Изложены результаты натурных, лабораторных и ана­литических исследований динамики утечек воздуха, метана и пыли в выработанном пространстве добычных участков угольных шахт. Установлены закономерности формирова­ния взрывоопасных зон в горных выработках и прилегаю­щем к нам выработанном пространстве.

How to cite: Shuvalov Y.V., Sobolev V.V., Globin A.N., Veselov A.P. // Journal of Mining Institute. 1995. Vol. 142. p. 95.