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Temperature analysis and ampacity evaluation of HV cable joints based on thermal flow coupling and measurable data [PDF]
Scientific ReportsObtaining the temperature and ampacity of high voltage cable joints during operation is crucial for increasing the reliability and flexibility of power systems. Indirect measurement methods based on digital models have gained widespread attention because
Zhanlong Zhang +4 more
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Research on the Improvement of Cable Ampacity in Dense Cable Trench
EnergiesDue to the influence of many factors, distribution cables are often densely placed at the bottom of the cable trench. As a result, it is easy for distribution cables to become the thermal bottleneck of the whole transmission line. To address this dilemma,
Han Zhang +6 more
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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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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
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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
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Journal of Marine Science and Engineering, 2021 Long-distance high voltage alternating current (AC) submarine cables are widely used to connect offshore wind farms and land power grids. However, the transmission capacity of the submarine cable is limited by the capacitive charging current.
Gang Liu +3 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
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Overload capacity analysis of extra high voltage AC XLPE submarine cable
Frontiers in Energy Research, 2023 When submarine cable line fails or other lines need load transfer, it often suffers from emergency ampacity that exceeds the steady-state ampacity. The layout environment of the submarine cable is always complex and changeable, and the overload capacity ...
Hao Zhang +5 more
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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
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Experiment-Based Study of Heat Dissipation from the Power Cable in a Casing Pipe
Energies, 2022 The paper deals with the important challenges in terms of electricity transmission by means of underground cable lines. The power cable’s performance is characterized by an ampacity that represents its maximum electric current-carrying capacity.
Romuald Masnicki +2 more
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