[HTML][HTML] Concepts and methods to assess the dynamic thermal rating of underground power cables
With the increase in the electrical load and the progressive introduction of power generation
from intermittent renewable energy sources, the power line operating conditions are …
from intermittent renewable energy sources, the power line operating conditions are …
An improved analytical thermal rating method for cables installed in short-conduits
In urban underground environment, a short-conduit is commonly used to provide
mechanical protection for the cable. The cable section buried in the short-conduit may …
mechanical protection for the cable. The cable section buried in the short-conduit may …
Thermophysical Properties of Bentonite–Sand/Fly Ash-Based Backfill Materials for Underground Power Cable
The surrounding (backfill) materials around the underground power cable systems are
essential for dissipating the heat away from it, during the exertion phases. The heat …
essential for dissipating the heat away from it, during the exertion phases. The heat …
[HTML][HTML] Adaptive FEM-BPNN model for predicting underground cable temperature considering varied soil composition
AA Al-Dulaimi, MT Guneser, AA Hameed… - … Science and Technology …, 2024 - Elsevier
In underground cables of power systems, the maximum temperature of the cable is a crucial
factor in determining its capacity. According to standards, the permissible operating …
factor in determining its capacity. According to standards, the permissible operating …
A Power System Reliability Framework Considering Soil Drying-Out Effect on Underground Cables
K Wang, K Kopsidas - IEEE Transactions on Power Systems, 2023 - ieeexplore.ieee.org
New cable installations are used to expand the power network's transmission capacity.
Considering only fundamental cable design aspects and very conservative ratings can often …
Considering only fundamental cable design aspects and very conservative ratings can often …
Soil Dryout in the Vicinity of Cables With Cyclic Load Installed in a Backfill
M Mróz, GJ Anders, E Gulski - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
The IEC Standard 60287-1-1 provides the procedure for modelling of soil dryout in the
vicinity of current currying power cables. Two important assumptions limit the application of …
vicinity of current currying power cables. Two important assumptions limit the application of …
基于磁热流多场耦合的双沟四回路电缆温度场分布与载流量计算.
刘刚， 许志锋， 王鹏宇， 黄世杰… - Journal of South …, 2020 - search.ebscohost.com
式中: x, y 为二维几何模型中的坐标位置; n 为边界外法线方向; Γ 为区域边界; T 为温度, K; Tf
为外界环境温度, K; k 为介质导热系数, W/(m· K); q 为热流密度, W/m2; h 为表层空气的对流换热 …
为外界环境温度, K; k 为介质导热系数, W/(m· K); q 为热流密度, W/m2; h 为表层空气的对流换热 …
Comparison of two laboratory methods for measuring soil critical temperature
Coupled heat and moisture transfer above a critical temperature is important in various
geothermal applications (eg, geothermal heat exchangers, buried power cables, and energy …
geothermal applications (eg, geothermal heat exchangers, buried power cables, and energy …
Effect of Initial Moisture Content on Critical Temperature of Three Sandy Soils
Once soil temperature reaches a critical temperature due to heat generated from a heat
source (eg, ground-based heat exchangers, buried electrical cables), moisture migration is …
source (eg, ground-based heat exchangers, buried electrical cables), moisture migration is …
Experimental study on the effect of soil moisture content on critical temperature rise for typical cable backfill materials
The increased utilization of power grid requires operating power cables close to their
thermal limit. Buried power cables in such condition experience thermal instability where …
thermal limit. Buried power cables in such condition experience thermal instability where …