基于电场动态变化的土壤脉冲电离模型

IF 1.4 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Iet Science Measurement & Technology Pub Date : 2022-03-13 DOI:10.1049/smt2.12103

Xishan Wen, Chun Li, Jiahao Chen, Xuefang Tong, Hao Mei, Guangyuan Zhou, Bichuan Xu, Hailiang Lu

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引用次数: 2

摘要

土壤电离对接地导体的脉冲特性有重要影响。考虑到电场对土壤电阻率变化的影响，本文对现有的土壤电离模型进行了改进，而土壤电阻率并不直接依赖于土壤电场。通过均匀土和水平分层土中垂直导体的浪涌响应验证了改进土壤电离模型的有效性。此外，还对有限体积土体中的水平导体进行了冲击试验。根据实验配置，建立了相应的计算模型，计算结果与实验结果吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Soil impulse ionisation model based on dynamic changes of electric field

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Soil impulse ionisation model based on dynamic changes of electric field

Soil ionisation has an important influence on impulse characteristics of grounding conductor. This paper introduced improvements to an existing soil ionisation model considering the influence of electric field on the change of soil resistivity, while soil resistivity is not directly dependent on soil electric field. The validity of improved soil ionisation model was verified by surge response of vertical conductor in uniform soil and horizontally stratified soil. Furthermore, the impulse experiment was carried out on horizontal conductor in soil with finite volumes. Based on experimental configuration, the corresponding calculation model was built, and calculated results were in good agreement with experimental results.

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来源期刊

Iet Science Measurement & Technology 工程技术-工程：电子与电气

CiteScore

4.30

自引率

7.10%

发文量

审稿时长

7.5 months

期刊介绍： IET Science, Measurement & Technology publishes papers in science, engineering and technology underpinning electronic and electrical engineering, nanotechnology and medical instrumentation.The emphasis of the journal is on theory, simulation methodologies and measurement techniques. The major themes of the journal are: - electromagnetism including electromagnetic theory, computational electromagnetics and EMC - properties and applications of dielectric, magnetic, magneto-optic, piezoelectric materials down to the nanometre scale - measurement and instrumentation including sensors, actuators, medical instrumentation, fundamentals of measurement including measurement standards, uncertainty, dissemination and calibration Applications are welcome for illustrative purposes but the novelty and originality should focus on the proposed new methods.