Results 11 to 20 of about 3,255,424 (314)
All-optical differential current detection technique for unit protection applications [PDF]
, 2013 In this paper we demonstrate a novel, all-optical differential current protection scheme. By monitoring the optical power reflected from two matched hybrid fiber Bragg grating current sensors and using a simple optoelectronic threshold detector, an ...
Fusiek, Grzegorz +3 more
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Optimal coordination of over-current relays in microgrids considering multiple characteristic curves
Alexandria Engineering Journal, 2021 Nowadays, microgrids play a significant role in the development of modern distribution networks (DNs). In this context, the ever increasing presence of renewable distributed generation (DG) in microgrids has imposed new challenges in protection ...
Sergio D. Saldarriaga-Zuluaga +2 more
doaj +1 more source
Design of protection module of intrinsic safety power supply based on LT4356
Gong-kuang zidonghua, 2014 In view of problems of simple protection function, low conversion efficiency, poor anti-interference ability and low intrinsic safety current existed in current protection module of intrinsic safety power supply, a protection module of intrinsic safety ...
XIE Guojun +3 more
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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
doaj +1 more source
AC Microgrids Protection: A Digital Coordinated Adaptive Scheme
Applied Sciences, 2021 A significant challenge for designing a coordinated and effective protection architecture of a microgrid (MG) is the aim of an efficient, reliable, and fast protection scheme for both the grid-connected and islanded modes of operation.
Noor Hussain +6 more
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'Too well-travelled', not well-formed? the reform of 'criminality information sharing' in the UK [PDF]
, 2013 The UK Supreme Court will eventually have to pass judgment on the compliance of the legal and policy framework for ‘criminality information sharing’ with the stipulations of Article 8 of the European Convention on Human Rights, and perhaps in relation ...
Grace, Jamie
core +2 more sources
A descriptive review and classification of organizational information security awareness research [PDF]
, 2020 Information security awareness (ISA) is a vital component of information security in organizations. The purpose of this research is to descriptively review and classify the current body of knowledge on ISA.
Hutchinson, Gershon, Ophoff, Jacques
core +2 more sources
A novel chopping current protection circuit for intrinsically safe power supply
Gong-kuang zidonghua, 2016 For problems that traditional chopping current protection circuit had small cut-off current value and poor anti load impact ability, and needed additional recovery circuit or manual circuit after over-current fault, a novel chopping current protection ...
FANG Xupeng +4 more
doaj +1 more source
Energy Reports, 2022 Under the development trend of AC/DC hybrid power grids, converter transformers are indispensable as AC/DC conversion equipment, whose safety and stability are particularly important.
Yuanlin Pan +5 more
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Gong-kuang zidonghua, 2019 Over-voltage and over-current protection are two forms of over-voltage and over-current protection sequences of intrinsic safety power supply. In order to study the influence of different protection sequence forms on safety performance of intrinsic ...
BAO Changjun +4 more
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