Results 21 to 30 of about 130,007 (263)
Voltage source converter (VSC)-based high voltage direct current (VSC-HVDC) interconnectors can realize accurate and fast control of power transmission among AC networks, and provide emergency power support for AC networks. VSC-HVDC interconnectors bring
Shimin Xue +6 more
doaj +1 more source
Evaluation of a pilot consultation for maternity protection at work in Switzerland
STUDY AIMS: Switzerland’s Labour Law and its Ordonnance on Maternity Protection aim to protect the health of pregnant employees and their unborn children while enabling them to continue to pursue their professional activities. Some companies encounter difficulties implementing the law’s provisions.
Krief, P. +7 more
openaire +4 more sources
Protection for transmission lines is one of crucial problems that urgently to be solved in constructing the future high-voltage and large-capacity voltage-sourced converter based high voltage direct current (VSC-HVDC) systems.
Xiangyu Pei +2 more
doaj +1 more source
Effective time of a diffusion source in a pack cementation process on the AZ91D magnesium alloy
The powder thermal diffusion alloying method is an important method to fabricate intermetallic coatings on magnesium alloy substrates. The diffusion source, the diffusion time and the diffusion temperature are key parameters for a diffusion alloying ...
Dongzhu Lu +5 more
doaj +1 more source
When faults occur in transmission lines of grid-forming PV systems, the LVRT control and virtual impedance function cause the fault characteristics of grid-forming inverters to differ significantly from those of synchronous generators, which deteriorates
Kuan Li, Qiang Huang, Rongqi Fan
doaj +1 more source
In-situ crevice corrosion images of U75V high-speed rail steel samples before and after heat treatment for microstructure refinement were obtained by a self-developed monitoring device, and facile image processing techniques have been developed.
Jian Wang +5 more
doaj +1 more source
General Data Protection Regulation – results of a pilot study [PDF]
The article focuses on the social aspects of the GDPR implementation. Paper presents the results of a study conducted in 2018, after the introduction of legislative changes. The study was exploratory and its aim was to find out how administrative employees evaluated and feels about GDPR. The survey was conducted as an online survey questionnaire.
Czaplewski, Maciej +2 more
openaire +2 more sources
Is Balneotherapy Protective Against Oxidative Stress? A Pilot Study
This study aimed to research the effects of Harkány healing water on oxidative stress. The study was performed in a randomized, placebo-controlled, double-blind setup.Twenty patients with psoriasis who underwent a 3-week-long inward balneotherapy-based rehabilitation were enrolled. Psoriasis Area and Severity Index (PASI) score and Malondialdehyde (MDA)
Agnes, Szenczi +10 more
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Biweight Midcorrelation Based Transmission Line Pilot Protection Algorithm
This paper presents a novel pilot protection algorithm for alternating current (ac) transmission lines that relies on biweight midcorrelation (BWMC) coefficients between the terminals’ currents.
Rodrigo Rozenblit Tiferes +3 more
doaj +1 more source
Crevice corrosion of U75V high-speed rail steel with varying crevice gap size by in-situ monitoring
Crevice corrosion of high-speed rail steel U75V was studied with varying gap size by using self-designed device. Increasing gap size inhibited exterior cathodic reduction reaction of oxygen, inducing decrease of potential difference between interior and ...
Weichen Xu +6 more
doaj +1 more source

