Frequency-Dependent Earth Impedance Formulas Between Overhead Conductors and Underground Pipelines

被引：0

作者：

Papadopoulos, T. A. ^{[1
]}

Apostolidis, A. K. ^{[1
]}

Chrysochos, A. I. ^{[2
]}

Christoforidis, G. C. ^{[3
]}

机构：

[1] Democritus Univ Thrace, Dept ECE, Xanthi, Greece

[2] Cablel Hellen Cables SA, Viohalco Grp, Athens, Greece

[3] Western Macedonia Univ Appl Sci, Dept EE, Kozani, Greece

来源：

2019 IEEE INTERNATIONAL CONFERENCE ON ENVIRONMENT AND ELECTRICAL ENGINEERING AND 2019 IEEE INDUSTRIAL AND COMMERCIAL POWER SYSTEMS EUROPE (EEEIC / I&CPS EUROPE) | 2019年

关键词：

electromagnetic interference; harmonics; mutual earth-return impedance; pipelines; TRANSMISSION-LINES; POWER-LINES; INTERFERENCE; VOLTAGE; SYSTEMS;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Significant harmonic voltage induction levels can be caused by distribution power lines, especially in distribution networks of North America. To investigate the harmonic voltage induction caused by overhead distribution lines to underground insulated conductors, it is critical to calculate accurately the mutual earth impedance between the conductors. In this paper, a systematic comparison of the existing approaches for the calculation of the mutual impedance between overhead and underground insulated conductors is carried out. Comparisons include results obtained using Pollaczek's complex integral formula, several approximate closed-form solutions proposed in the literature as well as the Finite Element Method. The analysis focuses in the frequency range up to some hundreds of Hz, where most significant levels of harmonic currents in distribution networks can be observed.

引用

页数：6

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