CURRENT DISTURBANCE DETECTION SYSTEM
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Sep 22, 2022
filing date -
Sep 22, 2022
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Abstract
A driving circuit and arrangement for driving a load between two output terminals. The driving circuit comprises an input and output terminals connected to the input. A fault detection inductor is connected in series with the output terminals, and is configured to modify an electrical parameter through a feedback inductor responsive to a change in current between the output terminals. The feedback inductor is galvanically isolated, but magnetically coupled, to the fault detection inductor. The driving circuit further comprises a first current sensing inductor through which a current provided by the converter passes, and the feedback inductor is also galvanically isolated, but magnetically coupled, to first current sensing inductor. Thus the feedback inductor can be induced with signal both from the first current sensing inductor and the fault detection inductor and saves components, space, and cost.
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