A fully digital power supply noise thermometer [PDF]
, 2009 Power Supply Noise (PSN) is one of the main concerns in scaled technology circuits, both if performance reliability must be assured and if power supply is to be dynamically reduced for dissipation regulation.
Marco D. Vittori +4 more
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Design of output filter device of mine-used high-voltage inverter for long-distance power supply
Journal of Physics: Conference Series, 2022 Abstract During the long-distance transmission of the Pulse width modulation ( PWM ) signal of the mine-used inverter, the voltage reflection phenomenon leads to a higher peak voltage at the motor end, which accelerates the insulation aging of the motor and reduces the overall reliability of the system.
openaire +1 more source
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
doaj +1 more source
ГІДРОАКУМУЛЮЮЧІ ЕЛЕКТРОСТАНЦІЇ ЯК ДЖЕРЕЛА РОЗПОДІЛЕНОЇ ГЕНЕРАЦІЇ У СКЛАДІ ПРОМИСЛОВИХ ЕНЕРГОСИСТЕМ
Праці Інституту електродинаміки Національної академії наук України, 2023 The article examines the economic aspects of the efficiency of power systems for mine loads, which include peak pumped-storage hydroelectric power plants that use reservoirs of the mine underground water drainage.
О.Ю. Михайленко +2 more
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Design of current sharing system for mine explosion-proof lithium power supply
Gong-kuang zidonghua, 2021 In order to solve the problem of uneven discharge current when multiple mine explosion-proof lithium power supplies are used in parallel, a current sharing system for mine explosion-proof lithium power supply is designed.
LI Qiwei1,2,3 +3 more
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New technologies and new equipments of coal mine monitoring
Gong-kuang zidonghua, 2015 The paper analyzed the national coal production，the total number of accidents, the death rate per million tons and the changes of serious accidents. On average per year, the coal production had increased by 194 million tons, the number of accidents had ...
SUN Jiping
doaj +1 more source
Research on Key Factors Affecting Power Supply and Demand Trend Based on Complex Correlation [PDF]
E3S Web of Conferences, 2020 The market behaviors of the supply and demand sides in the power market are the issues that market participants, operators and regulators are most concerned about. This article starts from the two dimensions of power generation market behavior and demand
Liu Dunnan +6 more
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Research on composite resonator network with onstant—current output for current—fed ICPT systems
Gong-kuang zidonghua, 2018 In order to solve problem of constant current wireless power supply of different sensors used in coal mine safety monitoring and control system, a composite resonator compensation network for wireless power supply were studied based on current—fed ICPT ...
HOU Chun +3 more
doaj +1 more source
Design of quasi-resonant flyback secondary intrinsically safe power supply [PDF]
Archives of Electrical Engineering, 2019 In order to improve the efficiency and ensure the security of power supply used in a mine, this paper mainly studies the quasi-resonant flyback secondary power supply and analyzes its operational principles based on the requirements of soft-switching ...
Shengnan Lu, Bin Wang
doaj +1 more source
Wind-induced vibration piezoelectric energy harvesting technology in underground mine
Meikuang Anquan, 2021 The paper presents a scheme of collecting piezoelectric energy for underground wind-induced vibration to provide self power supply for wireless low power sensor in mine. The technology of underground wind-induced vibration piezoelectric energy collection
ZHOU Daiyong
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