Results 81 to 90 of about 368,690 (301)

Simulation of a rectifier malfunction on an offshore wind system with HVDC transmission [PDF]

open access: yes, 2015
A new integrated mathematical model for the simulation of an offshore wind system having a rectifier input voltage malfunction at one phase is presented in this paper. The mathematical model considers an offshore variable-speed wind turbine on a floating
Melicio, Rui
core  

A tool for power flow analysis of a generalized class of droop controllers for high-voltage direct-current transmission systems [PDF]

open access: yes, 2016
The problem of primary control of high-voltage direct current transmission systems is addressed in this paper, which contains three main contributions. First, to propose a new nonlinear, more realistic, model for the system suitable for primary control ...
Ortega, R, Schiffer, JF, Zonetti, D
core   +1 more source

Remote Monitoring in Myasthenia Gravis: Exploring Symptom Variability

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Myasthenia gravis (MG) is a rare, autoimmune disorder characterized by fluctuating muscle weakness and potential life‐threatening crises. While continuous specialized care is essential, access barriers often delay timely interventions. To address this, we developed MyaLink, a telemedical platform for MG patients.
Maike Stein   +13 more
wiley   +1 more source

UHVDC Transmission Fault Location Based on Residual Convolutional Neural Network

open access: yesJournal of Harbin University of Science and Technology
A method based on residual convolutional neural network for high-voltage direct current transmission fault location is proposed to address the issue of excessive reliance on the attenuation constant of the transmission line in traditional ultra-high ...
LI Ji   +5 more
doaj   +1 more source

Optimal Control Design for Multiterminal HVDC [PDF]

open access: yes, 2013
This thesis proposes an optimal-control based design for distributed frequency control in multi-terminal high voltage direct current (MTDC) systems.
de Courreges d'Ustou, Benoit
core  

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende   +26 more
wiley   +1 more source

Dynamical Decentralized Voltage Control of Multi-Terminal HVDC Grids

open access: yes, 2016
High-voltage direct current (HVDC) is a commonly used technology for long-distance electric power transmission, mainly due to its low resistive losses. When connecting multiple HVDC lines into a multi-terminal HVDC (MTDC) system, several challenges arise.
Andreasson, Martin, Li, Na
core   +1 more source

DC collection networks for offshore generation [PDF]

open access: yes, 2013
Onshore wind farms can now be regarded as a mature technology, capable of providing increasing levels of clean energy. The development of offshore wind technology will provide the ability to harness much larger wind energy resource.
Finney, Stephen J., Lian, Yiqing
core   +1 more source

Functional and Structural Evidence of Neurofluid Circuit Aberrations in Huntington Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Disrupted neurofluid regulation may contribute to neurodegeneration in Huntington disease (HD). Because neurofluid pathways influence waste clearance, inflammation, and the distribution of central nervous system (CNS)–delivered therapeutics, understanding their dysfunction is increasingly important as targeted treatments emerge.
Kilian Hett   +8 more
wiley   +1 more source

Evaluating MVDC and Superconducting Solutions for High-Voltage Grid Integration

open access: yesIEEE Access
In recent years, the integration of renewable energy sources into power grids has gained significant importance, leading to an increased demand for innovative solutions to enhance transmission and distribution infrastructure.
Katharina Hetzenecker   +5 more
doaj   +1 more source

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