Fault current limiter
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United States of America Patent
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Mar 14, 2017
Grant Date -
Sep 3, 2015
app pub date -
Jun 12, 2012
filing date -
Jun 10, 2011
priority date (Note) -
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Abstract
A fault current limiter of the type having at least one elongated core biased magnetically towards saturation by means of a surrounding magnetic field, and an AC coil surrounding the core, the fault current limiter including: an elongated core having a variable cross section along the axis of the core in the vicinity of the AC coil, providing increased saturation of the core and enhanced fault current limiting for a lower DC bias.
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