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

Vegard Steinsland, Lasse Hugo Sivertsen, Emil Cimpan and Shujun Zhang
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Vegard Steinsland: Department of Electrical Engineering, Western Norway University of Applied Sciences, 5063 Bergen, Norway
Lasse Hugo Sivertsen: Department of Electrical Engineering, Western Norway University of Applied Sciences, 5063 Bergen, Norway
Emil Cimpan: Department of Electrical Engineering, Western Norway University of Applied Sciences, 5063 Bergen, Norway
Shujun Zhang: Department of Electrical Engineering, Western Norway University of Applied Sciences, 5063 Bergen, Norway

Energies, 2019, vol. 12, issue 16, 1-14

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.

Keywords: grounding system; substation; lightning; transmission system; surge arrester performance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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