Results 1 to 10 of about 450,420 (149)

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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Design analysis of mine-used intrinsic safety power supply

Gong-kuang zidonghua, 2014
In view of requirements that intrinsic safety power supply must has multi-protection of over-current and over-voltage, the paper introduced working principle of a circuit of mine-used intrinsic safety power supply based on LM317 regulator, analyzed ...
LIU Qi
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Design of mine-used intrinsically safe remote relay power supply

Gong-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
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A mine-used adaptive power supply with super wide input voltage range

Gong-kuang zidonghua, 2020
For problems of existing mine-used power supply such as inconvenient access, large volume, poor anti-fluctuation ability, complex circuit and high cost, a mine-used adaptive power supply with super wide input voltage range was designed.
LIN Yin, MENG Xiaohong, LIU Yahui
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Design of mine-used power supply with super wide input voltage range

Gong-kuang zidonghua, 2016
For problems of existing mine-used flameproof and intrinsically safe type power supply with multiple input voltage level such as large voltage fluctuation, heavy weight and difficult maintenance, a design scheme of mine-used power supply with super wide ...
LIU Yahui
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Design of a high-performance mine-used intrinsically safe power supply

Gong-kuang zidonghua, 2019
For problems of poor electromagnetic immunity and weak load capacity of current intrinsically safe power supply, a high-performance mine-used intrinsically safe power supply was designed.
HUANG Hesong, CHEN Xi, TIAN Chengjin, FU Zhen   +3 more
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Filtering capacitor resolution scheme of switching converter in mine-used intrinsic safety type power supply

Gong-kuang zidonghua, 2020
For problems of large output voltage ripple-wave and poor intrinsic safety performance existed in mine-used intrinsic safety type power supply caused by large filtering capacitor of switching converter, a filtering capacitor resolution scheme was ...
CHEN Huili, LI Jie
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Research of Mine-used Digital Three-phase Power Supply

Gong-kuang zidonghua, 2012
For the problem of harmonic pollution of underground power network caused by existing mine-used three-phase power supply, a mine-used digital three-phase power supply based on STM32F103VB was designed and working principle and control strategies of the ...
YANG Jian-kang, SHEN Ya-rui, SONG Jian-cheng   +2 more
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Design of Battery Management System of Mine-used DC Power Supply

Gong-kuang zidonghua, 2012
The paper introduced overall structure and designs of hardware and software of battery management system of mine-used DC power supply. The system assesses remaining capacity by detecting charge current and discharge current to ensure continuous power ...
TIAN Wei-ming
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Design of a new type of protection circuit of mine-used intrinsic safety power supply

Gong-kuang zidonghua, 2013
The paper put forward a design scheme of a new type of protection circuit of mine-used intrinsic safety power supply with LM339 comparator and MAX4080SASA current detection chip based on the analysis of advantages and disadvantages of traditional ...
ZHOU Xue-feng
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