Results 81 to 90 of about 138,563 (198)

Determination of the Ampacity of Buried Cable in Non-Homogenous Environmental Condition by 3D Computation

, 2012
-Finite Volume Method (FVM) is chosen to calculate the heat transfer field and the heat generation with in the cable and heat dissipation in the surrounding soil of a three phase 145kV underground cable brunch that make it possible to analyze the ...
Behrooz Vahidi, Amin Mahmoudi
core  

Electrical and Thermal Analysis of Single Conductor Power Cable Considering the Lead Sheath Effect Based on Finite Element Method

Iranian Journal of Electrical and Electronic Engineering, 2016
This paper investigates the effect of metallic sheaths on losses and temperature of medium voltage power cables. Two grounding methods of sheaths, including both ends bonding and single point bonding that causes different situations on cable ampacity ...
M. Rasoulpoor, M. Mirzaie, S. M. Mirimani   +2 more
doaj  

Energy cable ampacity: Impact of seasonal and climate-related changes

Climate change is influencing traditionally stable factors such as meteorological characteristics and soil conditions, impacting the planning process of electrical energy grids, especially energy cables.
Möbius, Patrick, Michael, Lars-Hendrik, Schräder, Johannes, Plenz, Maik, Schulz, Detlef   +4 more
core   +4 more sources

Research on an Improved Evaluation Method and Improvement Strategy for the Transportation Capacity of Submarine Cable in a Directional Drilling Section

Energies
The submarine cable installed in the directional drilling pipeline may face constrained ampacity due to the narrow air gap and complex thermal environment.
Kun Huang, Hanbo Dan, Yuze Lei, Fei Teng, Junyao Le, Yantao Chen, Ziheng Gao, Honglei Deng, Gang Liu   +8 more
doaj   +1 more source

Multi-Parameter Optical Monitoring Solution Applied to Underground Medium-Voltage Electric Power Distribution Networks. [PDF]

Sensors (Basel), 2023
Bassan FR, Rosolem JB, Floridia C, Penze RS, Aires BN, Roncolatto RA, Peres R, Júnior JRN, Fracarolli JPV, da Costa EF, Cardoso FH, Pereira FR, Furoni CC, Coimbra CM, Riboldi VB, Omae C, de Moraes M.   +16 more
europepmc   +1 more source

A Critical Assessment of Cable Rating Methods Under Soil Drying Out Conditions

International Transactions on Electrical Energy Systems
The design of underground cable systems must account for the risk of soil drying out due to heat dissipation, which can degrade cable performance and lead to environmental concerns.
Ntombifuthi Q. Khumalo, Raj M. Naidoo, Nsilulu T. Mbungu, Ramesh C. Bansal   +3 more
doaj   +1 more source

The Effect of the Vertical Layout on Underground Cable Current Carrying Capacity

Energies
Underground cable installation in historical areas, natural protected areas, narrow streets, or residential areas with high traffic flows is very difficult due to both legal permits and the conditions of the work sites.
Ahmet Ozyesil, Burak Altun, Yunus Berat Demirol, Bora Alboyaci   +3 more
doaj   +1 more source

Concept of Placement of Fiber-Optic Sensor in Smart Energy Transport Cable under Tensile Loading. [PDF]

Sensors (Basel), 2022
Drissi-Habti M, Abhijit N, Sriharsha M, Carvelli V, Bonamy PJ.   +4 more
europepmc   +1 more source

Analysis of underground transmission cable ampacity for on-site applications / Khairul Ikhwan Rosdi, Norhidayu Rameli and Shahnurriman Abdul Rahman [PDF]

Temperature poses a primary concern that must be addressed before installing power cables under the ground. This is due to the temperature increase at greater depths, which can impact the cable’s ampacity.
Abdul Rahman, Shahnurriman, Rosdi, Khairul Ikhwan, Rameli, Norhidayu   +2 more
core  

Calculation of Overhead Insulated Cable Ampacity Considering Compacted Conductor Structure

Energies
The radial heat transfer mechanism of compacted conductors in overhead insulated cables is unclear, and the insulation layer complicates the thermal boundary conditions, limiting the direct applicability of existing ampacity calculation methods. Based on
Jiahui Chen, Qian Peng, Fangqiang Wang, Jie Feng, Hao Liu, Hongjian Hou, Jianmin Zhang   +6 more
doaj   +1 more source