Photovoltaic Panels Having Electrical Arc Detection Capability, And Associated Systems And Methods
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United States of America Patent
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Issued Date -
Dec 25, 2014
app pub date -
Jun 25, 2013
filing date -
Jun 25, 2013
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Abandoned
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Abstract
A photovoltaic panel includes a panel arc detection subsystem and a plurality of photovoltaic assemblies electrically coupled in series between positive and negative panel power rails. The panel arc detection subsystem is adapted to detect a series electrical arc within the photovoltaic panel from a discrepancy between a panel voltage across the positive and negative panel power rails and a sum of all voltages across the plurality of photovoltaic assemblies. A photovoltaic string includes a string arc detection subsystem and a plurality of photovoltaic panels electrically coupled in series between positive and negative string power rails. The string arc detection subsystem is adapted to detect a series electrical arc within the photovoltaic string from a discrepancy between a string voltage across the positive and negative string power rails and a sum of all voltages across the plurality of photovoltaic panels.
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