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Analysis of current and voltage harmonics introduced by the drive systems of a bucket wheel excavator
(National Mining University, 2020-12-30)
Purpose. The quality of electricity is a problem of major interest, making it necessary to analyze the factors and causes that result in the worsening of the electric energy quality. An important aspect of electricity ...
Safety barrier of electrical equipment for environments with a potential explosion in underground coal mines
(National Mining University, 2020-09-30)
Purpose. Electrical equipment for explosion-threatening environments in mines at risk of explosion communicates with the external environment through intrinsic safety barriers that limit the values of currents to values ...