Results 11 to 20 of about 11,854 (255)

Evaluation of PV and CSP Systems to Supply Power in the Zimbabwe Mining Sector [PDF]

open access: yesEnergies, 2021
The drought that occurred in Zimbabwe in 2020 affected the country’s main hydro-power station causing the electricity supply to be less secure and reliable. This challenge resulted in load-shedding, which is not desirable to mining companies that require constant and reliable power for their operations.
Anesu Maronga   +3 more
openaire   +5 more sources

Lead-carbon battery energy storage system for coal mine ventilator

open access: yesGong-kuang zidonghua, 2016
In order to improve reliability of power supply and ensure safety production of coal mine, a lead-carbon battery energy storage system used as emergency power supply for coal mine ventilator was introduced, and system structure, grid access way, system ...
NIU Jianna, ZHOU You, WU Tong
doaj   +1 more source

On the power quality of electrical energy supplied to joint stock company “Aleksandrovsky mine” [PDF]

open access: yesE3S Web of Conferences, 2020
Joint Stock Company (JSC) “Mine Aleksandrovsky” is located in the Mogochinsky district of the Trans-Baikal Territory. “Mine Aleksandrovsky” concluded an energy supply agreement with JSC “Chitaenergosbyt” for the purchase of electric energy from it.
Zapanov Oleg V., Kovernikova Lidiia I.
doaj   +1 more source

Development of integrated intelligent backup power supply

open access: yesGong-kuang zidonghua, 2016
In view of problems of low power supply reliability, poor anti-interference ability and inconvenient extension of backup battery capacity existed in coal mine underground distributed power supply, an integrated intelligent back-up power supply was ...
CHEN Xiangyua
doaj   +1 more source

Control method and system design for power saving and power consumption reduction of gamma LWD probe tube

open access: yesMeikuang Anquan, 2022
In view of the contradiction between the power supply time of the logging probe in hole of the gamma logging while drilling system in coal mine and the construction period of drilling operation, the energy-saving and power-saving control method and ...
TIAN Xiaochao, JIANG Bici
doaj   +1 more source

Design of mine-used intrinsically safe remote relay power supply

open access: yesGong-kuang zidonghua, 2016
In order to satisfy long-distance transmission requirements of sensor used on underground super long working face, a mine-used intrinsically safe remote relay power supply was designed.
LIN yi
doaj   +1 more source

Mine intrinsic safety power supply based on adjustable capacity and protection time

open access: yesMeikuang Anquan, 2021
In view of the contradiction between the capacity and impact resistance of mine intrinsically safe power supply, an intrinsically safe power supply with adjustable capacity and protection time, self-recovery and slow start function is designed.
ZOU Dedong, LIU Peng
doaj   +1 more source

Energy-efficient Power Supply System for Mines

open access: yesProcedia Engineering, 2015
AbstractThe research group developed an independent power supply system for a mine, which generates electrical power to supply electrical loads inside the mine. The electrical power is generated from kinetic energy of gangue material transported from the upper level of the mine to the lower one and thanks to the improved operation of fan exhauster ...
Linkov, S.A.   +3 more
openaire   +1 more source

LiFeO4 battery power supply system for mine auxiliary transportation vehicle

open access: yesGong-kuang zidonghua, 2016
For problems of short cycle life and high maintenance cost of existing power supply of domestic mine auxiliary transportation vehicle which uses lead-acid batteries as power supply, the paper proposed application of LiFeO4 battery to the mine vehicle ...
XIAO Nan   +4 more
doaj   +1 more source

Research of wireless power supply system for automatic long-distance inspection winch

open access: yesGong-kuang zidonghua, 2016
For power supply problem of coal mine winch, a wireless power supply system for automatic long-distance inspection winch was designed. The wireless power supply mode of the system was introduced in details. Conclusions gotten by theoretical analysis were
XIA Chenyang   +8 more
doaj   +1 more source

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