Results 11 to 20 of about 85,363 (249)
Design of Intrinsically Safe Power Supply Based on Two-phase Synchronous Boost Technology
Gong-kuang zidonghua, 2011 In view of problem of bigger output ripper existed in intrinsically safe power supply based on single-phase synchronous boost technology, the paper proposed a design scheme of intrinsically safe power supply based on two-phase synchronous boost ...
ZHANG Xing-hua +5 more
doaj +1 more source
IET Power ElectronicsAbstract In this article, an extended‐phase‐shift‐based pulse train control (EPS‐PT) for an intrinsically safe dual active bridge (DAB) converter is proposed to satisfy the safe and reliable power supply in harsh environments such as gas stations, chemical plants, and mining tunnels in complex power systems. A discrete pulse switching
Yang Xu +5 more
openaire +3 more sources
Mine intrinsic safety power supply based on adjustable capacity and protection time
Meikuang Anquan, 2021 In view of the contradiction between the capacity and impact resistance of mine intrinsically safe power supply, an intrinsically safe power supply with adjustable capacity and protection time, self-recovery and slow start function is designed.
ZOU Dedong, LIU Peng
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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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Influence factors analysis of discharge characteristics of compound intrinsically-safe circuit
Gong-kuang zidonghua, 2020 Existing researches on discharge characteristics of compound intrinsically-safe circuits may be lack of mathematical analysis, or consider influence factors incompletely.
SHI Yaping
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Negative pressure automatic water discharge device based on intrinsically safe DC electric valve
Meikuang Anquan, 2021 A negative pressure automatic drainer based on intrinsically safe DC electric valve is designed. Through the design of the drive circuit, protection circuit and control program of the DC electric valve, the 24 V intrinsic safe DC power supply provided ...
WANG Zuxun
doaj +1 more source
Multi-Sensor System For Level Measurements With Optical Fibres [PDF]
, 2002 A system for measuring liquid level in multiple tanks using optical fibre technology has been developed. The oil field service industry can benefit from this intrinsically safe technology.
Garcinuño, J. +3 more
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Sex, slaves and citizens: the politics of anti-trafficking [PDF]
, 2008 “Bonded labourers”, “sex slaves”, “victims of organized crime”. Identified as victims of trafficking, these are the terms commonly used to describe migrant women and men in abusive labour relations/conditions in the UK.
Anderson, Bridget, Andrijasevic, Rutvica
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Implementation of explosion safety regulations in design of a mobile robot for coal mines [PDF]
, 2018 The article focuses on specific challenges of the design of a reconnaissance mobile robotic system aimed for inspection in underground coal mine areas after a catastrophic event.
Babjak, Ján +5 more
core +2 more sources
, 2005 Details of the definitive version are available at http://www.ashgate.com/default.aspx?page=637&calcTitle=1&title_id=6415&edition_id ...
Morales, Laura +2 more
core +2 more sources