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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 ...
Reliability and maintainability of scraper conveyor used in coal mining in the Jiu Valley
(Dnipro University of Technology, 2021-09-30)
Purpose. The aim of the study is to determine and analyse causes of faults in the operation of TR-7A scraper conveyor and
to estimate the required time for their remediation and select the methods of their prevention and ...