Method of combating fatigue destruction of steel structures of mine hoisting machines [PDF]
The article presents the information of the identified defects of fatigue failure of steel structures of the brake mechanism of mine cable hoisting machines used to transport metallurgical coke from the mine to the surface.
A. D. Mekhtiyev +5 more
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Development of a Mathematical Model of Operation Reliability of Mine Hoisting Plants
The work analyzes the performance assurance of mine hoisting machines, including the problem of the quality of performance of the functions. The quality of functioning allows evaluation of a set of properties of the process of lifting loads, designed to ...
Pavel V. Shishkin +6 more
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Multi-criteria based design approach of multiphase permanent magnet low speed synchronous machines [PDF]
Version éditeur disponible à cette adresse : http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4797497&isnumber=4797494A design methodology dedicated to multi-phase permanent magnet synchronous machines (PMSMs) supplied by pulse width modulation ...
CHARPENTIER, Jean-Frederic +3 more
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Computation of Optimal Current References for Flux-weakening of Multi-Phase Synchronous Machines [PDF]
Multi-phase synchronous machines are more and more used in specific applications where high power density, low bus voltage, wide speed range and fault-tolerant capabilities are required. Due to the high number of degrees of freedom, multi-phase machines
Bassel Aslan +13 more
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The influence of modernization of hoisting machines power supply system on the voltage parameters in mines [PDF]
Maszyna wyciągowa jest, pod względem mocy zainstalowanej, jednym z największych urządzeń w podziemnym zakładzie górniczym. Urządzenie to pracuje cyklicznie z dużą ilością rozruchów w ciągu godziny. Z tego powodu jest ono źródłem licznych zaburzeń w sieci
Piątek, Krzysztof +4 more
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Development of the theory of laying a hoisting rope on the drum of a mining hoisting machine [PDF]
For new designs of mine hoisting machines, the development of scientifically-based solutions to increase the rope capacity and reduce the size of the machines is relevant.
Zabolotnyi Kostiantyn +2 more
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Modernization of Control Systems of Electric Drives of Mine Lifting Machines
The article shows the peculiarity of the system of technological automation of the newest Simatic S7-1500 PLCs, for electric drives of hoisting transport machines, the analysis of control systems for electric drives of operating mine hoisting machines of
Eshmurodov Ziyodullo, Holboiv Folib
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Scientific and methodological bases of rational design of hoisting-and-transport machines metal structures [PDF]
Purpose of this paper is to improve parameters of metal structures elements of hoisting-and-transport machines (HTMs) by means of systematic approach to study changes of their stress-strain state during design or usage stage.
Sagirov Yurii +3 more
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Strengthening elements of steel structures for controlling fatigue fracture
The article deals with the issues of reliable operation of steel structures of mine hoisting machines. It is proposed to strengthen the “weak points” of the braking device beam structure, which will further prevent the formation and growth of cracks in ...
P. A. Kropachev +2 more
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PENGGUNAAN SOLAR SELL PADA POMPA AIR DC 12 V SUBMERSIBLE 280 W UNTUK SUMUR BOR 30 M
Drilling wells are a way of extracting groundwater by sticking pipes into the ground to a certain depth. The purpose of this study is to analyze the energy performance of solar cells to operate water pumping machines in drilled wells, with the results ...
Sariman Sariman, M. Fauzan Deyhan
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