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Partial discharge (PD) monitoring is an established method for insulation health monitoring in high-voltage plant. A number of different approaches to PD defect diagnosis have been developed to extract defect-specific information from PD pulse data in both the time and frequency domains. Frequency-based PD pulse analysis has previously been demonstrated to offer a low-power approach to PD defect identification,...
One of the obstacles to widespread deployment of phase-resolved partial discharge (PD) diagnostics is the complexity of deploying and operating new monitoring systems. Typically, these rely upon synchronization with the electrical system frequency via a power line connection, introducing cost, inconvenience and risk into the system. For utilities to exploit partial discharge monitoring on a wide scale,...
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