Results 41 to 50 of about 21,810 (200)
Topology assessment for 3 + 3 terminal offshore DC grid considering DC fault management [PDF]
, 2014 Peer ...
Jovcic, Dragan +3 more
core +1 more source
Dynamic Current Routing in Conductive Liquid Crystal Elastomers for Complex Deformation Actuators
Advanced Materials Technologies, EarlyView.This work introduces a novel actuation control strategy in which electrical stimulation generates localized Joule heating in conductive liquid crystal elastomer (LCE) surfaces, enabling complex 3D deformations from a single homogeneous surface without preprogramming.
Gloria PouWai Lei +2 more
wiley +1 more source
The Journal of Engineering, 2019 This paper investigates the integration of large offshore wind farms using parallel HVAC and diode-rectifier based HVDC (DR-HVDC) systems. Three different operation modes, i.e.
Lujie Yu, Rui Li, Rui Li, Lie Xu
doaj +1 more source
Optimal Data-Driven Control of an LCC HVDC System for Real-Time Grid Frequency Regulation
IEEE Access, 2020 Recent advances in data sensing and processing technologies enable data-driven control of high-voltage direct-current (HVDC) systems for improving the operational stability of interfacing power grids.
Do-Hoon Kwon, Young-Jin Kim
doaj +1 more source
A Cascaded Converter Interfacing Long-Distance HVdc and Back-to-Back HVdc Systems [PDF]
IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020 This paper proposes a cascaded converter dedicated to long-distance HVDC infeed and asynchronous back-to-back interconnection of receiving grids. The cascaded converter is consisted of MMCs in series and parallel connection, meeting the high DC voltage and power demand of HVDC system. It realizes hierarchical feeding and asynchronous interconnection of
Wang Xiang +5 more
openaire +2 more sources
DC grids for integration of large scale wind power [PDF]
, 2011 It is widely recognized that the future wind power development in the Nordic region will be to a large extent be offshore. The most promising technology for that is the voltage source converter (VSC) HVDC. A review of the most important options and state-
Carlsson, Ola +8 more
core +1 more source
Distributed Secondary Frequency Control through MTDC Transmission Systems
, 2015 In this paper, we present distributed controllers for sharing primary and secondary frequency control reserves for asynchronous AC transmission systems, which are connected through a multi-terminal HVDC grid.
Andersson, Göran +4 more
core +2 more sources
Dynamic Covalent Chemistry Enables Self‐Healing and Compatibilization in Polypropylene Composites
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A high‐performance polypropylene insulation material is created through dynamic covalent crosslinking. It achieves exceptional dielectric properties, autonomous self‐healing, and easy recycling, offering a sustainable solution for future HVDC transmission systems.
Hongzhe Zhang +3 more
wiley +1 more source
IEEE Access, 2019 Voltage Source Converter based High Voltage Direct Current (VSC HVDC) technology is used more and more in modern power systems. Consequently, in the ac network, an increasing number of converters are appearing in mutual electrical proximity, thus forming
Goran Grdenic +2 more
doaj +1 more source
Evolution of the HVDC Link Connecting Offshore Wind Farms to Onshore Power Systems
Energies, 2020 This paper presents an overview of the DC link development and evolution dedicated to HVDC structure for connecting offshore wind power plants to onshore power systems.
Roland Ryndzionek, Łukasz Sienkiewicz
doaj +1 more source