
MINING EQUIPMENT
Original paper
DECOMPOSITION ANALYSIS OF COAL MINE POWER SUPPLY SYSTEM TO EVALUATE THE HIGHER HARMONIC COMPONENTS GENERATED BY THE PROCESS EQUIPMENT OF THE SURFACE COMPLEX
1 Research Institute of Comprehensive Exploitation of Mineral Resources of Russian Academy of Sciences (IPKON RAS), Moscow, 111020, Russian Federation
2 National University of Science and Technology “MISIS” (NUST “MISIS”), Moscow, 119049, Russian Federation
3 Polar Division of Norilsk Nickel Mining & Metallurgical Company, Norilsk, 663300, Russian Federation
e-mail: reshetniak@inbox.ru
Abstract
The paper presents a decomposition analysis of the coal mine power supply system to evaluate the higher harmonic components generated by the process equipment of the surface complex using simulation modeling in the Matlab software suite. A simulation model of the coal mine power supply system to evaluate the higher harmonic components generated by the process equipment of the surface complex is proposed with account of the decomposition. Modeling results have been obtained in the form of spectrograms and oscillograms of the process equipment in the surface complex of a coal mine with a converter load, both for a six-pulse and for a twelve-pulse rectifier circuit. The installation of filter compensating devices in the electrical system of a coal mine is also justified.
Keywords
Coal mine, mining machines, mine hoist, power supply system, electrical power quality, electrical system, modeling.
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For citation
Reshetnyak S.N., Zotov V.V., Suchko D.S., Mustafaev S.V. Decomposition analysis of coal mine power supply system to evaluate the higher harmonic components generated by the process equipment of the surface complex. Ugol’. 2025;(1):93-99. DOI: 10.18796/0041-5790-2025-1-93-99.
Paper Info
Received December 5, 2024
Reviewed December 16, 2024
Accepted December 26, 2024











