An Improved Method for the Calculation of the Internal Impedances of Solid and Hollow Conductors With the Inclusion of Proximity Effect

Pagnetti A.; Xemard A.; Paladian F.; Nucci C. A.

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An Improved Method for the Calculation of the Internal Impedances of Solid and Hollow Conductors With the Inclusion of Proximity Effect

机译：考虑邻近效应的固体和空心导体内部阻抗计算的一种改进方法

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We present a new method for the evaluation of the per unit length (p.u.l.) internal impedances of solid and hollow conductors. Our method is semianalytical, and takes into account the proximity effect arising from currents mutually induced by nearby conductors which, in turn, modify their internal current density distribution and, hence, their impedance. We eventually apply the developed method to the case of a three-core cable and we calculate the voltages induced in its screens by a lightning current.

机译：我们提出了一种新的方法来评估实心和空心导体的每单位长度（p.u.l.）内部阻抗。我们的方法是半分析的，并考虑到附近导体相互感应的电流引起的邻近效应，进而改变了它们的内部电流密度分布，进而改变了它们的阻抗。我们最终将开发的方法应用于三芯电缆的情况，并计算由雷电流在其屏蔽层中感应的电压。

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来源
《Power Delivery, IEEE Transactions on》 |2012年第4期|p.2063-2072|共10页
作者
Pagnetti A.; Xemard A.; Paladian F.; Nucci C. A.;
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作者单位

THEMIS, EDF R&D, Clamart, France;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Cable; electromagnetic transients; internal impedance; multiconductor; proximity effect; three core;

机译：电缆;电磁瞬变;内部阻抗;多导体;邻近效应;三芯;

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2. Numerical calculations of internal impedance of solid and tubular cylindrical conductors under large parameters [J] . W. Mingli, F. Yu IEE proceedings. Part C, Generation, Transmission, and Distribution . 2004,第1期

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3. Proximity Effect in Solid and Hollow Round Conductors [J] . Arnold A.H.M. Electrical Engineers - Part II: Power Engineering, Journal of the Institution of . 1941,第4期

机译：实心和空心圆形导体的邻近效应
4. Evaluation of the impact of proximity effect in the calculation of the internal impedance of cylindrical conductors [C] . Pagnetti Alberto, Xemard Alain, Paladian Francoise, 2011 30th URSI General Assembly and Scientific Symposium . 2011

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7. Proximity-Aware Calculation of Cable Series Impedance for Systems of Solid and Hollow Conductors [O] . Utkarsh R. Patel, Bjørn Gustavsen, Piero Triverio 2014

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An Improved Method for the Calculation of the Internal Impedances of Solid and Hollow Conductors With the Inclusion of Proximity Effect

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