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Discover how dynamic resistance measurements help engineers optimize timing tests in the field.
This Energy Talks episode explains how dynamic resistance measurements (DRM) can be used to perform timing tests safely and accurately on circuit breakers grounded on both sides.
OMICRON product manager and testing expert Andreas Nenning shares his hands-on experience with this field-proven method, turning a long-standing “maybe” into a practical, trustworthy procedure.
Andreas explains why resistance-based timing is the only workable option in grounded field conditions, how grounding resistance affects the measurement, and why a simple threshold mistake can throw off your results.
Andreas and his co-authors Simon Böcking and Hugo Brummelhuis presented a paper on this subject at CIGRE 2026 that draws on their practical field experience to help test engineers work faster and safer without sacrificing accuracy.
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