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Title:

Broken Mechanism of Straight Cu Conductors due to Lightning High Impulse Current

Document type:
Konferenzbeitrag
Contribution type:
Textbeitrag / Aufsatz
Author(s):
Hu, X.; Tashiro, S.; Otsuka, T.; Iwao, T.; Inaba, T. Lederle, Ch., Kindersberger, J.
Pages contribution:
1461-1466
Chapter contribution:
X-10
Abstract:
When a high impulse current flows through a conductor, the conductor may be melted due to the current value and duration. A straight moderate copper conductor such as 1mmφ is melted by a relatively small DC current in hundreds of amperes due to the steady thermal transfer from the surface of the conductor to the ambient. Moreover, a thin conductor such as 0.1mmφ is melted by a relatively large impulse current due to the specific melting Joule integral: (j²t)m in an adiabatic condition an...     »
Book / Congress title:
28th International Conference on Lightning Protection
Congress (additional information):
Kanazawa, Japan, 17. - 22. Sep. 2006
Year:
2006
Month:
Sep
Pages:
6
Reviewed:
ja
Language:
de
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