Method of and system for detecting a serial arc fault in a power circuit
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United States of America Patent
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Nov 7, 2023
Grant Date -
Mar 16, 2023
app pub date -
Nov 18, 2022
filing date -
Dec 12, 2019
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Abstract
A method of detecting a serial arc fault in a DC-power circuit includes injecting an RF-signal with a narrow band-width into the DC-power circuit and measuring a response signal related to the injected RF-signal in the DC-power circuit. The method further includes determining a time derivative of the response signal, analyzing the time derivative, and signaling an occurrence of a serial arc fault in the power circuit based on the results of the analysis. A system for detecting an arc fault is configured to perform a method as described before.
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