屏蔽的三相大电流导管周围的磁场

T. Szczegielniak, T. Piątek, D. Kusiak
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引用次数: 1

摘要

本文提出了一种确定圆形截面的三相气体绝缘传输线(即大电流管道)内磁场的解析方法。该数学模型考虑了集肤效应和邻近效应,以及相导体和外壳(即屏)之间的完全电磁耦合。除解析计算外,还借助商用FEMM软件,利用二维有限元对大电流管道系统磁场进行了计算机模拟。
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Magnetic field around the screened three-phase high-current busducts
This paper presents an analytical method for determining the magnetic field in the three–phase gas–insulated transmission line (i.e., high-current busduct) of circular cross–section geometry. The mathematical model takes into account the skin effect and the proximity effects, as well as the complete electromagnetic coupling between phase conductors and enclosures (i.e., screens). Apart from analytical calculation, computer simulations for high-current busduct system magnetic field were also performed with the aid of the commercial FEMM software, using two–dimensional finite elements.
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