Broken Conductor Detection Methods

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Detection of broken conductors in power systems has become increasingly critical in recent years, driven by a heightened emphasis on wildfire prevention and public safety. If a phase conductor breaks and is not promptly detected and isolated, it may fall to the ground, leading to ground faults, igniting nearby vegetation, or creating dangerous conditions around the line. Consequently, utilities are placing greater reliance on protection schemes that can identify conductor breakage quickly and with high accuracy. In this presentation, we will examine real field events from sub-transmission systems to demonstrate how various broken-conductor detection methods could have been applied to identify these faults more effectively and enhance overall power system reliability.