Overcurrent Limiting Unit and Detection Unit and Method for Manufacturing and Method for Operating the Same
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Oct 3, 2024
filing date -
Oct 3, 2024
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Abstract
An overcurrent limiting and detection unit includes a ferrite core that is brought into a saturated region with respect to its magnetic conductivity by arranging at least one permanent magnet to effect magnetic non-conductivity of the ferrite core, a network coil that is wound around a part of the ferrite core and that is configured such that, during operation of the overcurrent limiting unit and detection unit, an electric network current flows through it, the at least one permanent magnet being arranged on the ferrite core such that a magnetic flux caused by the at least one permanent magnet flows against a magnetic flux caused by the network coil during operation, wherein a detection coil being galvanically isolated from the network coil, is wound around a part of the ferrite core and is configured to detect a transition from the saturated region to an unsaturated region.
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