Arc faults are a significant cause of failure in photovoltaic (PV) system and can arise due to component deterioration, installation problems, rodents chewing on wires, abrasion of insulation, or other root causes. Undetected, incipient arc faults can propagate into electrical fires. Consequently, arc-fault detectors, now mandated in many jurisdictions, are essential for safe operation of PV systems. Developing effective detectors necessitates a deep understanding of the electrical characteristics of PV arcs, which requires analyzing a large sample of arc voltage and current waveforms.
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