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A New Approach to Include Complex Grounding System in Lightning Transient Studies and EMI Evaluations

Department of Electrical Engineering, Western Norway University of Applied Sciences, 5063 Bergen, Norway
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This paper is an extended version of our paper published in and presented at the 6th IEEE International Conference on High Voltage Engineering and Application (IEEE ICHVE2018), Athens, Greece, 10–13 September 2018; pp. 1–4.
Energies 2019, 12(16), 3142; https://doi.org/10.3390/en12163142
Received: 7 May 2019 / Revised: 28 July 2019 / Accepted: 12 August 2019 / Published: 15 August 2019
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Abstract

A new approach to lightning transient studies including complex grounding grids is presented in this paper. The grounding system is modeled in Matlab/Simulink based on the transmission line theory. Using a bottom-up approach and considering the properties of the fundamental elements, a detailed view of measurement values will be presented and analyzed. The Matlab/Simulink grounding system models are interfaced for co-simulation with EMTP-RV trough Functional Mock-up Interface (FMI) 2.0. This modeling approach allows the use of the full component library and network design by EMTP-RV to evaluate and analyze the effects of the grounding system and transmission network simultaneously in Matlab/Simulink. The results present a simplified transmission system where a surge is injected, Conseil International des Grands Réseaux Électriques (CIGRE) 1 kA 1.2/50, in far-end of a transmission line. When reaching a substation, the surge is injected into the grounding system through a surge arrester. View Full-Text
Keywords: grounding system; substation; lightning; transmission system; surge arrester performance grounding system; substation; lightning; transmission system; surge arrester performance
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Steinsland, V.; Sivertsen, L.H.; Cimpan, E.; Zhang, S. A New Approach to Include Complex Grounding System in Lightning Transient Studies and EMI Evaluations. Energies 2019, 12, 3142.

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