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This paper presents a new approach for the determination of underground cable ampacity that considers surrounding medium of the cable, and compares the results from the FEM model with standard approach. It shows how ampacity of a buried cable is affected by the extent of heat transfer from the cable to the surrounding soil and also by the heterogeneity of the soil and its thermal characteristics....
This paper presents a study of the factors that determine cable ampacity adjustments and corrections in the electrical distribution network. Ampacity is defined as the maximum current carrying capacity of any cable. This characteristic parameter depends on many of the cable properties, installation conditions and surrounding environment. In long-distance cable-based power transmission (e.g., HVDC)...
Distributed temperature sensors (DTS) measure temperatures by means of optical fibers. Those optoelectronic devices provide a continuous profile of the temperature distribution along the cable. Initiated in the 1980s, DTS systems have undergone significant improvements in the technology and the application scenario over the last decades. The main measuring principles are based on detecting the back-scattering...
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