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The Statistical Characteristics Analysis for Overvoltage of Elevated Transmission Line under High-Altitude Electromagnetic Pulse Based on Rosenblatt Transformation and Polynomial Chaos Expansion

Author

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  • Zheng Liu

    (State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China
    Zheng Liu received his bachelor degree at the department of Electronics Science and Technology of Xi’an Jiaotong University in 2016 and Master Degree at the Department of Nuclear Technology and Engineering from Northwest Institute of Nuclear Technology. Now he is a researcher of State Key Laboratory of Intense Pulsed Radiation Simulation and Effect of Northwest Institute of Nuclear Technology, which mainly focus on the EMP environment calculation and experiment.)

  • Dongwei Hei

    (State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China)

  • Congguang Mao

    (State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China)

  • Chuanbao Du

    (State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China)

  • Xin Nie

    (State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China)

  • Wei Wu

    (State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China)

  • Wei Chen

    (State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China)

Abstract

A High-Altitude Electromagnetic Pulse (HEMP) could induce very fast transient overvoltage (VFTO) with nanosecond level rise time and mega-volt amplitude, which severely threatens the electrical devices connected to the elevated transmission line. An elevated transmission line with different locations may suffer different levels of HEMP threat since the dip angle could influence the polarization of the HEMP wave. The combination of Rosenblatt Transformation and Polynomial Chaos Expansion (R-PCE) is introduced in this paper. With this method, the efficiency of calculating the overvoltage of an elevated transmission line under HEMP is improved, speeding up 24.75 times. The influence of different factors (dip angle, elevated height, and earth conductivity) on the overvoltage of elevated transmission lines applied in power systems is calculated and analyzed. The numerical result shows with 99.9% confidence that the overvoltage would be over 3.7 MV of amplitude and 6.7 × 10 14 V/s of voltage derivative, which is much more rigorous than a lighting pulse. We also find that elevated transmission lines may have a larger HEMP threat in a small dip angle area. The corresponding data are shown at the end of the paper, which could be useful for relative researchers in pulse injection experiments and reliable evaluation.

Suggested Citation

  • Zheng Liu & Dongwei Hei & Congguang Mao & Chuanbao Du & Xin Nie & Wei Wu & Wei Chen, 2023. "The Statistical Characteristics Analysis for Overvoltage of Elevated Transmission Line under High-Altitude Electromagnetic Pulse Based on Rosenblatt Transformation and Polynomial Chaos Expansion," Energies, MDPI, vol. 16(12), pages 1-12, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:12:p:4622-:d:1168034
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    References listed on IDEAS

    as
    1. Feng Qin & Wei Chen & Xutong Wang & Tao Huang & Zhitong Cui & Xin Nie, 2022. "Transient Response Characteristics of Metal Oxide Arrester under High-Altitude Electromagnetic Pulse," Energies, MDPI, vol. 15(9), pages 1-10, April.
    2. Kheifets, Igor L., 2018. "Multivariate specification tests based on a dynamic Rosenblatt transform," Computational Statistics & Data Analysis, Elsevier, vol. 124(C), pages 1-14.
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