Hybrid circuit breakers
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United States of America Patent
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Dec 5, 2023
Grant Date -
Jun 22, 2023
app pub date -
Dec 21, 2021
filing date -
Dec 21, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
In one aspect, a hybrid circuit protection device for current-limiting a fault current between a source and a load during a fault is provided. The hybrid circuit protection device includes an input configured to couple to the source, an output configured to couple to the load, a return configured to couple the source to the load, a main switch configured to selectively couple the input to the output, a switching network coupled in parallel with the main switch, and a controller. The controller is configured to determine that the main switch has opened in response to the fault current, where the fault current has an initial value, and activate the switching network to current-limit the fault current to less than the initial value during the fault.
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