Results 11 to 20 of about 14,440 (213)
Design of mine-used adaptive wide-voltage power supply with explosion-proof and intrinsic safety
Gong-kuang zidonghua, 2013 For characteristics that power supplys in coal mine underground has multi input voltage grades and are susceptible to disturbed when big equipments are starting or stopping, the paper put forward a design scheme of adaptive wide-voltage power supply with
LIU Ya-hui, GUO Jiang-tao, LIN Yin
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Gong-kuang zidonghua, 2020 Most of existing models and methods for research of capacitive circuit spark discharge and high-power intrinsic safety power supply only consider discharge characteristics of energy storage elements during discharge process， and do not consider influence
KANG Qian +3 more
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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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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
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Short circuit transient power analysis of hybrid intrinsically safe circuit
Gong-kuang zidonghua, 2023 Currently, research on the intrinsically safe features of intrinsically safe circuits mostly relies on the IEC spark experimental device as the experimental platform.
NIE Honglin +6 more
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Design of wide range DC input power module used in coal mine
Gong-kuang zidonghua, 2015 In view of problems that power supply voltage level and power type between mine-used sensors and DC power supply system is inconsistent, a design scheme of new type of wide range DC input and intrinsic safety type power module was put forward.
HU Yun +3 more
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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 +3 more
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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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Realizing Stretchable Aqueous Zn–Based Batteries by Material and Structural Designs
Frontiers in Energy Research, 2021 The increasing demands on stretchable power supply for wearable electronics accelerate the development of stretchable batteries. Zn-based batteries are promising to be applied in wearable electronics due to their outstanding performance, intrinsic safety,
Lifeng Hang, Guihua Jiang
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Design of assist device for spark test
Gong-kuang zidonghua, 2016 There are some problems existed in spark test device during spark test such as no recovery of output or long recovery time of intrinsic safety power supply after short circuit, and inability to satisfy request of GB 3836.4-2010 Explosive atmospheres part
ZHU Qianwei
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