Superconducting matrix fault current limiter with current-driven trigger mechanism
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United States of America Patent
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Oct 25, 2005
Grant Date -
Dec 30, 2004
app pub date -
Jun 30, 2003
filing date -
Jun 30, 2003
priority date (Note) -
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Abstract
A modular and scalable Matrix-type Fault Current Limiter (MFCL) that functions as a 'variable impedance' device in an electric power network, using components made of superconducting and non-superconducting electrically conductive materials. An inductor is connected in series with the trigger superconductor in the trigger matrix and physically surrounds the superconductor. The current surge during a fault will generate a trigger magnetic field in the series inductor to cause fast and uniform quenching of the trigger superconductor to significantly reduce burnout risk due to superconductor material non-uniformity.
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