A number of indicative tests are available to diagnose grounding problems and to evaluate the true transient performance of a grounding system prior to a real lightning strike.
... which will indicate the peak voltage rise for a given lightning (transient) current.
These tests* using the Earth System Analyser provide a comprehensive indication of....
(*called tests even though measurements are taken!)
Efficient clamping and filtering of power transients at the point-of-entry of power lines...
Simple surge diverters installed at the mains switchboard may not provide adequate protection.
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