Lightning Attachment Estimation to Wind Turbines by Utilizing Lightning Location Systems

Stephan Vogel, Joachim Holbøll, Javier Lopez, Anna Candela Garolera, Søren Find Madsen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

The goal of a lightning exposure assessment is to identify the number, type and characteristics of lightning discharges to a certain structure. There are various Lightning Location System (LLS) technologies available, each of them are
characterized by individual performance characteristics. In this work, these technologies are reviewed and evaluated in order to obtain an estimation of which technologies are eligible to perform a lightning assessment to wind turbines. The results indicate that ground-based mid-range low frequency (LF) LLS systems are most qualified since they combine a wide coverage with a good accuracy for downward lightning. Furthermore, advances in the technology indicate the detection of certain upward lightning events. A correlation between the size of the uncertainty ellipse and the peak current of the lightning detections is presented. Furthermore, lightning data from three different wind power plant locations are analyzed and the impact of varying data qualities is evaluated regarding the ability to detect upward lightning. This work provides a variety of background information which is relevant to the exposure assessment of wind turbine and includes practical examples regarding different LLS data qualities.
Original languageEnglish
Title of host publication24th International Lightning Detection Conference & 6th International Lightning Meteorology Conference.
Number of pages10
Publication date2016
Publication statusPublished - 2016
Event24th International Lightning Detection Conference & 6th International Lightning Meteorology Conference - San Diego, California, United States
Duration: 18 Apr 201621 Apr 2016

Conference

Conference24th International Lightning Detection Conference & 6th International Lightning Meteorology Conference
CountryUnited States
CitySan Diego, California
Period18/04/201621/04/2016

Keywords

  • Wind Turbine
  • Lightning Location System
  • LLS
  • Upward Lightning
  • Downward Lightning
  • Exposure Assessment

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