Results 61 to 70 of about 11,897 (208)
Space Charge Measurement and Modelling in Cross-Linked Polyethylene
Energies, 2020 Cross-linked polyethylene, commercially known as XLPE, is widely used as an insulating material in high voltage cables. However, space charge accumulation under the DC field is one of the most challenging problems in the further development of XLPE ...
Yunpeng Zhan +6 more
doaj +1 more source
AIP Advances, 2021 The influence of structural characteristics on the cable ampacity and electrical property of the cross-linked polyethylene (XLPE) cable was presented in this paper.
ZhiHui Xu +3 more
doaj +1 more source
Very long distance connection of gigawatt size offshore wind farms: extra high-voltage ac versus high-voltage dc cost comparison [PDF]
, 2016 This study presents a cost comparison between commercially available high-voltage DC (HVDC) and extra high-voltage AC shore connection (±320 kV voltage source converter and 420 kV-50 Hz single-core and three-core cables), for a 1 GW offshore wind farm ...
LAURIA, Stefano +3 more
core +1 more source
High Voltage, EarlyView.ABSTRACT The propagation characteristics of partial discharge (PD) in cables impact PD detection sensitivity, defect localisation accuracy and defect severity evaluation. Currently, the effects of semiconducting materials' frequency‐dependent properties and corrugated aluminium sheath structures on PD signal propagation in high‐voltage (HV) cables ...
Weisheng He +6 more
wiley +1 more source
Understanding the Mechanism of Junction Effect of Homo‐Bilayer XLPE for HVDC Cable Factory Joints
High VoltageIn high‐voltage direct current cable systems, the factory joint of cross‐linked polyethylene (XLPE)‐insulated cables presents significant electrical breakdown risk. The charge accumulation mechanism at the XLPE–XLPE interface involves the accumulation of
Xiaofan Song +6 more
doaj +1 more source
High Voltage, EarlyView.ABSTRACT Low‐voltage cables insulated with silicone rubber were harvested from three locations in the primary containment vessel of a boiling water nuclear power plant (NPP). Subsequently, the cable, which was placed in an ambient environment with a relatively higher temperature and the highest rate, was cut into four shorter ones.
Yoshimichi Ohki +2 more
wiley +1 more source
"Sub-Hertz" Dielectric Spectroscopy [PDF]
, 2005 Dielectric spectroscopy measurements below 1 Hz are often dominated by “conduction-like” effects. For this reason, they often appear to be dismissed as being of little interest.
Ajour, M. N. +2 more
core
High Voltage, EarlyView.ABSTRACT In the Hainan–Guangdong interconnection project, oil leakage in oil‐filled cables required replacing the faulty core with a single core from a three‐core cross‐linked polyethylene (XLPE) cable, leading to mixed operation of XLPE and oil‐filled cables.
Liang Zou +4 more
wiley +1 more source
THE EFFICACY OF THE CABLES OF 6–110 KV WITH XLPE INSULATION. Part 1
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2017 The assessment of the suitability of cables of 6–110 kV with XLPE insulation in comparison with cables of the same voltage but possessing paper-oil insulation has been fulfilled on the basis of the criterion of reduced costs.
M. A. Korotkevich +2 more
doaj +1 more source
Modeling dispersion of partial discharges due to propagation velocity variation in power cables [PDF]
, 2016 Existing models for partial discharge (PD) propagation based on a single attenuation constant are unable to explain how each frequency component travels with a different propagation velocity. This paper proposes a new model based on a complex propagation
Granado Romero, Joaquín +2 more
core +1 more source