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首页> 外文期刊>Electromagnetic Compatibility, IEEE Transactions on >Coupling Analysis for Wires in a Cable Tray Using Circuit Extraction Based on Mixed-Potential Integral Equation Formulation
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Coupling Analysis for Wires in a Cable Tray Using Circuit Extraction Based on Mixed-Potential Integral Equation Formulation

机译:基于混合势积分方程公式的电路提取法对电缆桥架中的导线进行耦合分析

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摘要

The China high-speed trains use cable trays to neatly arrange the cables running through the distributed systems. On one hand, they protect cables against external electromagnetic interference and reduce external radiation from the cables. On the other hand, the cable trays create waveguide structures that affect the coupling among cables inside the cable trays. To simplify coupling analysis for cables going through a cable tray, a lumped circuit model was built using admittance blocks extracted from a mixed-potential integral equation (MPIE) formulation. In the MPIE formulation, either the half-free space or the waveguide dyadic Green's function was used depending on the region where the cables were. A test case was investigated. Results by the proposed circuit model were validated by measurement and full-wave simulation results.
机译:中国高速列车使用电缆桥架将分布在分布式系统中的电缆整齐地排列。一方面,它们保护电缆免受外部电磁干扰,并减少电缆的外部辐射。另一方面,电缆桥架产生波导结构,该波导结构影响电缆桥架内部的电缆之间的耦合。为了简化对穿过电缆桥架的电缆的耦合分析,使用从混合电势积分方程(MPIE)公式中提取的导纳块建立集总电路模型。在MPIE公式中,根据电缆所在的区域,使用了半自由空间或波导二进角格林函数。测试了一个测试用例。通过测量和全波仿真结果验证了所提出的电路模型的结果。

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