Results 91 to 100 of about 7,891 (205)

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, Andreasson, Martin, Dimarogonas, Dimos V., Johansson, Karl H., Wiget, Roger   +4 more
core   +2 more sources

The XLPO cable insulation with synchronous-enhanced DC electrical and high-temperature mechanical properties

APL Materials
High voltage direct-current (HVDC) cable is key equipment for utilizing offshore wind power. The high-temperature mechanical and DC electrical properties are two key figures for crosslinked polyethylene cable insulation, which are always contradictory ...
Jinfei Qu, Shihang Wang, Shengtao Li
doaj   +1 more source

Synthesis of a Novel Semi-Conductive Composites Doping with La_0.8Sr_0.2MnO₃ for Excellent Electric Performance for HVDC Cable. [PDF]

Polymers (Basel), 2020
Yin H, Cui Y, Wei Y, Hao C, Lei Q.
europepmc   +1 more source

Technical Progress, Challenges and Prospects of HVDC Cable Accessories: A Review With Chinese Practice Insights

High Voltage
With the development of deep‐sea wind power and large‐scale onshore clean energy, the global demand for higher voltage level DC cable power transmission technology has become increasingly urgent.
Zongxi Liu, Benhong Ouyang, Kaiwen Huang, Yuli Wang, Jiankang Zhao, Peng Zhao   +5 more
doaj   +1 more source

Effects of heavy load temperature rise on the dynamic charge transport characteristics of XLPE/SiR heterogeneous insulation

High Voltage
The space charge accumulation in the heterogeneous insulation composed of cross‐linked polyethylene (XLPE) cable and silicone rubber (SiR) accessory poses a serious threat to the safe operation of the high voltage direct current (HVDC) cable.
Yani Wang, Ruobing Xu, Pinshun Ren, Yalin Wang, Haobin Chen, Wenjun Wu, Xingwu Yang   +6 more
doaj   +1 more source

Enhanced Electrical Properties of Styrene-grafted Polypropylene Insulation for Bulk Power Transmission HVDC Cables

CSEE Journal of Power and Energy Systems
Polypropylene (PP) is considered to be a rather promising material for HVDC cable insulation. Grafting modi-fication has proved to be an effective method on the electrical property improvements of PP.
Hao Yuan, Shixun Hu, Yao Zhou, Chao Yuan, Wenbo Song, Qing Shao, Hongwei Shi, Juan Li, Jun Hu, Qi Li, Jinliang He   +10 more
doaj   +1 more source

"Mirror Image" space charge distribution in XLPE power cable under opposite stressing voltage polarity [PDF]

, 2005
The paper presents the research on space charge distribution under different polarities in full size cross-linked polyethylene power cables using the pulsed electro-acoustic technique.
Chen, G., Fothergill, J., Fu, M.
core  

Partial discharge behavior under HVDC superimposed with transients [PDF]

, 2017
Azizian Fard, M., Farrag, M., Hepburn, D.M., Reid, A.J.   +3 more
core   +2 more sources

Investigation of Partial Discharge in Solid Dielectric under DC Voltage

, 2014
A partial discharge, or PD, is defined as an electrical discharge that is localized within only a part of the insulation between two separated conductors. Recent research on PD mainly focuses on the study of PD characteristics under AC voltage.
Chen, G, He, M, Lewin, P L, Tian, J
core  

Improvement in non‐linear electrical conductivity of silicone rubber by incorporating zinc oxide fillers and grafting small polar molecules

IET Nanodielectrics
Silicone rubber (SiR) is commonly used in reinforced insulation parts for high‐voltage direct current (HVDC) cable accessories due to its excellent insulation, elasticity, and high‐temperature resistance.
Qingguo Chi, Huiyang Zhang, Zhaotong Meng, Changhai Zhang, Yongquan Zhang, Yue Zhang, Chao Yin, Tiandong Zhang   +7 more
doaj   +1 more source