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Simulation of the power supply system of the coal mine section [PDF]
E3S Web of Conferences, 2021 At present, the designing of a power supply system for mine sections is performed in accordance with obsolete regulatory documents made in the early 90s of the 20th century. This slows down the implementation of the ‘digital mining operation’ concept and
Nepsha Fedor +3 more
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Comprehensive evaluation of power quality for coal mine power supply system
Gong-kuang zidonghua, 2017 In view of power quality problem caused by progressively increase of nonlinear devices of coal mine enterprise, evaluation index and comprehensive evaluation method of coal mine power quality were proposed.
WANG Shenghua
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A redundant monitoring system for monitoring substation of coal mine power supply
Meikuang Anquan, 2021 In view of the problem of remote monitoring failure caused by the failure of monitoring substation of coal mine power supply monitoring system, a redundant monitoring sub-station coal mine power supply monitoring system is designed.
FANG Chongquan
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Application of FACTS Devices in Power Supply Systems of Coal Mines [PDF]
E3S Web of Conferences, 2020 In this article, the authors discuss the use of FACTS devices in coal mine power systems. The problems of reactive power compensation and the disadvantages of regulatory and technical documentation regarding the use of modern reactive power compensation ...
Nepsha Fedor +4 more
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Anti-override trip monitoring system of coal mine power supply
Gong-kuang zidonghua, 2018 Main causes of override trip accident of coal mine power supply system were analyzed, which included short circuit, leakage, voltage fluctuation, switch operation rejection, etc. Both advantages and disadvantages of existing anti-override trip methods of
ZHANG Wenrui
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Study of large capacity power supply used for coal mine emergency facilities
Gong-kuang zidonghua, 2014 In view of problem that common accumulators used in underground coal mine have obvious constraints, the paper analyzed electricity demands of coal mine emergency facilities and characteristics of dry-charged lead-acid battery, developed large capacity ...
LI Meixiang, ZHOU Zhong, ZHANG Yong
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Power Supply Technology of 5G Equipment in Underground Coal Mine
Meikuang Anquan, 2020 This paper focuses on the study of power supply technology of 5G equipment in coal mine. Combined with the comparison of existing power supply modes and the existing problems, this paper comprehensively analyzes the design scheme of power supply in ...
MA Long
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Analysis of interruptions in the external power supply of coal-fired power plants Kuzbass mines
Горное оборудование и электромеханикаIn the context of the complication of the technological process of coal mining, due to a significant increase in production capacity, the use of conveyor units for coal transportation, as well as the widespread use of control, control and communication ...
Efremenko V.M. +2 more
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Power Supply Monitoring and Control System of Coal Mine and Its Development Trend
Gong-kuang zidonghua, 2010 The paper analyzed general structure of existing power supply monitoring and control systems of coal mine and difference in structure of the systems.It described functions of power supply monitoring and control system of coal mine in details,and ...
FAN Rong
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Горное оборудование и электромеханикаThe presence of consumers of the first category in terms of uninterrupted power supply in coal mines, including consumers of a special group, ensuring the safe stay of people in underground workings, requires a high level of reliability of power supply ...
Efremenko V.M. +2 more
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