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Enhancing Lightning Performance Assessment Through Uncertainty Quantification in Grounding Resistance Measurements Using the Fall of Potential Method

Ref C4_10936_2026 • 2026
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Summary

This work enhances the traditional Fall-of-Potential method by embedding it within a probabilistic framework that quantifies uncertainty. The integration of Markov Chain Monte

Carlo techniques provides a powerful tool for utilities seeking to align grounding system assessments with modern reliability and risk-based practices. The approach not only improves the interpretability of field grounding resistance measurements but also strengthens the foundation for more resilient and data-driven lightning performance evaluations.

Additional informations

Publication type Session Materials
Reference C4_10936_2026
Publication year
Publisher CIGRE
Country France
Study committees
  • Power system technical performance (C4)
File size 1 MB
Price for non member 30 €
Price for member 30 €

Authors

LE MAUFF Camille - EPRI Europe

Keywords

Grounding, Lightning, Overhead Lines, Measurements

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Enhancing Lightning Performance Assessment Through Uncertainty Quantification in Grounding Resistance Measurements Using the Fall of Potential Method