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Investigation the Intensity of Heating of the Isolation Material of an Electrical Wire

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Abstract:

The intensity of heating of the insulation material of loaded electric wires was investigated. Calculations were made for insulation materials made of polyvinyl chloride plastic and rubber, and copper and aluminum wires. The dependences of the heating temperature of the wires on the time of their operation at load currents smaller, close to and larger than the maximum allowable ones are plotted. The time during which you spend heated to critical temperatures, is individual for each brand-size. For wires with a copper core, heating occurs more slowly compared to wires with an aluminum core. Wires with polyvinyl chloride core insulation heat up more slowly than wires with rubber core insulation. In all cases, addiction temperature of the wires from the time of operation at different load currents has a logarithmic form.

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Periodical:

Materials Science Forum (Volume 1126)

Pages:

143-150

DOI:

https://doi.org/10.4028/p-1Q1WUp

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Online since:

September 2024

Authors:

Albert Katunin, Oleg Kulakov*, Oleksii Roianov, Yuliia Mykhailovska

Keywords:

Current Loading, Electrical Wire, Intensity of Heating, Material of Electrical сOre, Material of the Isolation, Maximum Allowed Current

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© 2024 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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