Research on Safety of Mine Power Supply System [PDF]
E3S Web of Conferences, 2021 Electric power is one of the main supplies of mine energy. The safety of electric power is of great significance to the safety of mines. The probability of blackout is relatively small. But once it happens, the harm is great.
Weihua Chen +3 more
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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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Design of a mine-used switching power supply
Gong-kuang zidonghua, 2018 For problems of existing mine-used switching power supply such as large harmonic current, low power factor and so on, a mine-used switching power supply was designed by use of technologies of active power factor correction and resonant soft switching ...
LIN Yin
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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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Research of Power Supply System for Mine Safety Monitoring
Gong-kuang zidonghua, 2010 The paper introduced principle of electrical explosion proof and expounded developing situation of intrinsically safe explosion proof mode form the views of theoretical research and product development at home and abroad.It emphatically discussed ...
XIE Jun-sheng~ +2 more
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Power quality in power supply systems of mining and processing enterprises in Russia
Proceedings of Irkutsk State Technical University, 2021 This paper investigates the effect of the load factor of frequency converters and thyristor converters on electrical power quality. Recommendations for reducing the influence of higher harmonics and switching overvoltages on the characteristics of electrical power are provided.
V. I. Panteleev +4 more
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Application of Dynamic Reactive-power Compensator Based on SVG in Coal Mines [PDF]
E3S Web of Conferences, 2023 With the improvement of automation degree of coal mine mechanical and electrical equipments, such as conveyors, crushers, mining motors, inverters, and a large number of non-linear loads, cause large reactive power consumption, power factor of coal mine ...
Li Ran, Zhang Peng, Zhang Dian-qing
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Intelligent fault detection and analysis system of coal mine power based on TD-SCDMA
Gong-kuang zidonghua, 2014 In view of problem that fault of underground power supply equipment leads great hidden danger to coal mine safety production, an intelligent fault detection and analysis system of coal mine power based on TD-SCDMA technology was proposed.
PENG Yu, WANG Anyi
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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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CORRESPONDENCE. THE APPLICATION OF HYDRO ELECTRIC POWER TO SLATE MINING AND ELECTRICALLY DRIVEN WINDING GEAR AND THE SUPPLY OF POWER TO MINES. [PDF]
Minutes of the Proceedings of the Institution of Civil Engineers, 1907 n ...
Gillot, T. +5 more
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