A time-domain method for the electromagnetic transient response of multiconductor transmission lines excited by the electromagnetic pulse

Gong Yanfei; Hao Jianhong; Jiang Luxing

doi:10.11884/HPLPB201931.180378

Volume 31 Issue 8

Aug. 2019

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Gong Yanfei, Hao Jianhong, Jiang Luxing. A time-domain method for the electromagnetic transient response of multiconductor transmission lines excited by the electromagnetic pulse[J]. High Power Laser and Particle Beams, 2019, 31: 083202. doi: 10.11884/HPLPB201931.180378

Citation:

Gong Yanfei, Hao Jianhong, Jiang Luxing. A time-domain method for the electromagnetic transient response of multiconductor transmission lines excited by the electromagnetic pulse[J]. High Power Laser and Particle Beams, 2019, 31: 083202. doi: 10.11884/HPLPB201931.180378

Citation:

Gong Yanfei, Hao Jianhong, Jiang Luxing. A time-domain method for the electromagnetic transient response of multiconductor transmission lines excited by the electromagnetic pulse[J]. High Power Laser and Particle Beams, 2019, 31: 083202. doi: 10.11884/HPLPB201931.180378

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A time-domain method for the electromagnetic transient response of multiconductor transmission lines excited by the electromagnetic pulse

doi: 10.11884/HPLPB201931.180378

School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China

Received Date: 2018-12-22
Rev Recd Date: 2019-05-13
Publish Date: 2019-08-15

Abstract

Abstract

An efficient field-to-line coupling method in the time-domain is developed based on the waveform relaxation (WR) techniques for evaluating the electromagnetic (EM) transient response of multiconductor transmission lines (MTLs) excited by an electromagnetic pulse (EMP).Firstly, the incident EMP electric fields on the lines are calculated as equivalent distributed sources introduced into the MTLs equations.Then, the telegraph's equations of lossless transmission lines are decoupled by applying the WR techniques and different types of equivalent current sources at the terminal of MTLs are calculated using the iterative convolution and analytical method separately.Finally, the equivalent circuit is established and the transient currents/voltages induced on the lines are obtained by using the circuit simulation software PSCAD.The proposed time-domain method has the advantages of accuracy and high efficiency compared with the method based on finite-difference time-domain (FDTD) via two numerical examples.
- waveform relaxation techniques,
- electromagnetic pulse,
- multiconductor transmission lines,
- transient response,
- finite-difference time-domain

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References(14)

References

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