Results 61 to 70 of about 311,111 (242)
Sensors, 2021 Space charges are one of the main challenges facing the constantly increasing use of extruded high voltage direct current (HVDC) cables. The Pulsed Electro-Acoustic (PEA) method is one of the most common procedures for space charge measurements of ...
Guillermo Mier Escurra +3 more
doaj +1 more source
Laboratory and field partial discharge measurement in HVDC power cables [PDF]
, 2015 A range of experimental and field measurements of partial discharge (PD) activity under high voltage direct current (HVDC) conditions have been conducted with the goal of developing effective monitoring techniques for PD in HVDC cables and ancillary ...
Awodola, Joseph +9 more
core
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
DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application [PDF]
, 2015 Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in solving various DC grid challenges ...
Aboushady, Ahmed A. +2 more
core +2 more sources
Hybrid AC/DC Collection and HVDC Transmission Topology for Large-scale Offshore Wind Farms
CSEE Journal of Power and Energy SystemsConventional offshore wind integration systems use 33kV or 66kV AC cables to collect wind energy and employ high voltage direct current (HVDC) transmission technology to deliver wind power to onshore grids.
Wang Xiang +3 more
doaj +1 more source
Journal of Modern Power Systems and Clean Energy, 2014 As a new generation of direct current (DC) transmission technology, voltage sourced converter (VSC) based high voltage direct current (HVDC) has been widely developed and applied all over the world.
Guangfu Tang, Zhiyuan He, Hui Pang
doaj +1 more source
Design aspects on HVDC cable joints
2018 12th International Conference on the Properties and Applications of Dielectric Materials (ICPADM), 2018 Today's power utilities are evolving towards a more environment-friendly form. Particularly, in undersea power transmission, offshore renewable energy integration and urban power transmission, HVDC cable systems play a significant role. As an essential part of the cable systems, cable joints are often the weakest and the most critical point. Hence, the
H. Ye +6 more
openaire +2 more sources
Power electronics options for large wind farm integration : VSC-based HVDC transmission [PDF]
, 2006 This paper describes the use of voltage source converter based HVDC transmission (VSC transmission) system for grid integration of large wind farms over long distance.
Sasse, C., Xu, L., Yao, L.
core +2 more sources
Modelling Space Charge in HVDC Cable Insulation
, 2019 The design of high-voltage direct-current extruded cable is one of the most challenging issues in the cable industry, as the electric field distribution across the insulation can be strongly affected by the presence of space charge, which can subsequently affect its long-term reliability and life expectancy.
Yunpeng Zhan +9 more
openaire +3 more sources
Stepwise investment plan optimization for large scale and multi-zonal transmission system expansion [PDF]
, 2016 This paper develops a long term transmission expansion optimization methodology taking the probabilistic nature of generation and demand, spatial aspects of transmission investments and different technologies into account.
Belmans, R +3 more
core +1 more source