A numerical procedure for the evaluation of the radiated susceptibility of non-uniform wire bundles

S. Barmada, M. Raugi, F. Maradei
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Abstract

A numerical procedure for the analysis of the transient voltages induced by external fields on multiconductor nonuniform wire bundles is presented. The cable bundle is modeled as a multiconductor transmission line (MTL). The evaluation of the per unit length (p.u.l.) parameters of the bundle is evaluated by a hybrid analytical-finite element procedure. Then, the MTL equations characterized by p.u.l. parameters depending on frequency and on position are expanded on a wavelet basis. An algebraic system describing voltage and current along the line is derived in the frequency domain. The time domain solution is achieved by inverse FFT. The procedure is validated in simple configurations
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非均匀线束辐射磁化率的数值计算方法
提出了一种分析多导体非均匀线束上外场感应瞬态电压的数值方法。电缆束被建模为多导体传输线(MTL)。利用混合分析-有限元方法对管束的单位长度参数进行了计算。然后,在小波的基础上对基于频率和位置的p.u.l参数表征的MTL方程进行了扩展。在频域中导出了描述沿线路电压和电流的代数系统。时域解是通过逆FFT实现的。在简单配置中验证了该过程
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