Results 141 to 150 of about 138,563 (198)

The role of advanced sensing in smart cities. [PDF]

open access: yesSensors (Basel), 2012
Hancke GP, Silva Bde C, Hancke GP.
europepmc   +1 more source

Ampacity of wrapped cables

IEEE Transactions on Power Delivery, 1988
Analytical equations that permit quick computation of the ampacity of power cables wrapped with refractory silica are presented. Ampacity test results are given for several wrapping methods and cable configurations. These test results show that the analytical method is reasonably accurate in determining the ampacity of wrapped cable. >
exaly   +2 more sources

An Assessment of the Methods for Calculating Ampacity of Underground Power Cables

Electric Power Components and Systems, 2005
Endurance of an insulation material to high temperatures determines the maximum current-carrying capacity (ampacity) of an underground power cable. Cable ampacity is calculated conventionally using the installation conditions and maximum steady-state operation temperature according to IEC-60287 standard.
Faruk Aras, Günes Yilmaz, Cuneyt Oysu
exaly   +4 more sources

Influencing factors on the ampacity of EVs cables

2021 International Conference on Electrical Materials and Power Equipment (ICEMPE), 2021
To meet the demand for improved performance of EVs, the ampacity of high-voltage cables for EVs has received more and more attention. Due to the small space and the high ambient temperature around EVs cables, as well as the low thermal conductivity of the insulating materials of traditional high-voltage vehicle cables, it is difficult for the EVs ...
Yifang Wang   +5 more
openaire   +1 more source

Multi objective self adaptive optimization method to maximize ampacity and minimize cost of underground cables

open access: yesJournal of Computational Design and Engineering, 2018
This study presents a novel algorithm for the optimal placement of underground cables in a concrete duct bank to simultaneously maximize ampacity and minimize cable system cost for the first time.
Behrooz Vahidi, Davoud Abootorabi Zarchi
exaly   +2 more sources

Ampacity of cables in single covered trays

IEEE Transactions on Power Delivery, 1997
A mathematical thermal model is developed to predict the operating temperatures of cables in a single covered tray when there is load diversity in the power cable bundle. The model accommodates two different loading scenarios: one in which the heat is distributed evenly across the cable tray cross section; and one which concentrates the heavily loaded ...
B.L. Harshe, W.Z. Black
openaire   +1 more source

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