Arc detection and prevention in a power generation system
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United States of America Patent
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Feb 23, 2021
Grant Date -
Jul 20, 2017
app pub date -
Apr 5, 2017
filing date -
Nov 9, 2010
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Abstract
A method for arc detection in a system including a photovoltaic panel and a load connectible to the photovoltaic panel with a DC power line. The method measures power delivered to the load thereby producing a first measurement result of the power delivered to the load. Power produced by the photovoltaic panel is also measured, thereby producing a second measurement result of power produced by the photovoltaic panel. The first measurement result is compared with the second measurement result thereby producing a differential power measurement result. Upon the differential power measurement result being more than a threshold value, an alarm condition may also be set. The second measurement result may be modulated and transmitted over the DC power line.
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