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Analysis of Lightning Overvoltage Base on Grounding Method of Lightning Arresters in Wind Farm

  • Jin-Hyuk Kim
  • Kyo-Ho KimEmail author
  • Jung-Wook Woo
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 598)

Abstract

This study simulates lightning strikes and a wind farm using the simulation tool EMTP-RV and analyses the effects of lightning overvoltage. It compares the lightning overvoltage for two grounding methods of lightning arresters-common ground and connected ground. For the simulations, the ground impedance of the lightning arrester is selected according to the earth resistivity and lightning frequency. The study also analyses the resulting magnitude of the overvoltage when corona is the lightning strikes. Thereby, it suggests a method of reducing the lightning overvoltage through various simulations, depicting various conditions such as the change of ground impedance and the grounding method of the lightning arrester.

Keywords

Lightning Ground impedance Lightning arrester Wind farm 

Notes

Acknowledgments

This research was supported by Korea Electric Power Corporation (Grant Number: R18XA06-59).

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Hankyong National UniversityAnseongRepublic of Korea
  2. 2.Korea Electric Power Research InstituteDaejeonRepublic of Korea

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