Finite element modeling of direct-buried high-voltage cable ampacity considering dynamic soil thermal properties [PDF]
Scientific ReportsTraditional ampacity evaluation for direct-buried cables often assumes static soil thermal resistance, which obscures actual operating margins. To address this, a new electromagnetic-thermal coupled finite element model for cross-linked polyethylene ...
Jiang Chang +3 more
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Investigation of the Ampacity of a Prefabricated Straight-Through Joint of High Voltage Cable
Energies, 2017 This paper presents a theoretical and experimental study on the ampacity of the prefabricated straight-through joint of a 110 kV high voltage cable. Thermal modelling revealed that the critical spot limiting the ampacity of this type of cable joint is ...
Gang Liu, Hui Ma, Yigang Liu
exaly +3 more sources
Study on the Effect of Cable Group Laying Mode on Temperature Field Distribution and Cable Ampacity
Energies, 2019 The reliability and service life of power cables is closely related to the cable ampacity and temperature rise. Therefore, studying the temperature field distribution and the cable ampacity is helpful to improve the construction guidelines of cable ...
Lan Xiong, Yonghui Chen
exaly +3 more sources
Energies, 2019 This paper verifies the fluctuation on thermal parameters and ampacity of the high-voltage cross-linked polyethylene (XLPE) cables with different insulation conditions and describes the results of a thermal aging experiment on the XLPE insulation with ...
Gang Liu, Yue Xie, Yifeng Zhao
exaly +3 more sources
Probabilistic prediction for the ampacity of overhead lines using Quantile Regression Neural Network [PDF]
E3S Web of Conferences, 2020 The ampacity of overhead transmission lines play a key role in power system planning and control. Due to the volatility of the meteorological elements, the ampacity of an overhead line is timevarying.
Jin Xu +4 more
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Analysis on the Temperature Field and the Ampacity of XLPE Submarine HV Cable Based on Electro-Thermal-Flow Multiphysics Coupling Simulation [PDF]
Polymers, 2020 Jiefeng Liu, Yiyi Zhang, Heng Zhang
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Ampacity analysis of extra-high voltage XLPE submarine cable in typical layout environments
电力工程技术, 2022 The layout environments of the extra-high voltage (EHV) submarine cable are complex and changeable,and the ampacity of the EHV submarine cable varies under different layout environments.
ZHANG Hao +5 more
doaj +1 more source
Thermal-fluid coupling analysis of ultra-high voltage cables laid in tunnel [PDF]
电力工程技术, 2022 Ampacity is an important parameter in power cable operation. In order to provide a reference for the operation of ultra-high voltage cables laid in tunnel,a three-dimensional geometric model is established to simulate the thermal-fluid coupling by COMSOL
LIN Ziqi +5 more
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Study on finite element analysis of the external heat resistance of cables in ductbank
Energy Reports, 2020 Power cable engineering is a critical method for urban power supply, and ductbank laying of cables is a way of underground cable lines. Considering the cost and construction, MPP pipes with poor heat dissipation performance are often used in ductbank ...
Jian Wang +5 more
doaj +1 more source
Simulation Study on Low Thermal Resistance Materials to Improve Pipe-laying Cable Ampacity [PDF]
E3S Web of Conferences, 2021 Pipe-laying cables have been widely used in the urban power transmission grid. The ampacity of the pipe-laying cables is affected by the thermal conductivity of the filling material, the ratio of the filling material and other factors.
Wang Yanfeng +6 more
doaj +1 more source