System and method for quench protection of a superconductor
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United States of America Patent
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-
Mar 11, 2008
Grant Date -
Dec 29, 2005
app pub date -
Jun 28, 2004
filing date -
Jun 28, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system and method for protecting a superconductor from a quench condition. A quench protection system is provided to protect the superconductor from damage due to a quench condition. The quench protection system comprises a voltage detector operable to detect voltage across the superconductor. The system also comprises a frequency filter coupled to the voltage detector. The frequency filter is operable to couple voltage signals to a control circuit that are representative of a rise in superconductor voltage caused by a quench condition and to block voltage signals that are not. The system is operable to detect whether a quench condition exists in the superconductor based on the voltage signal received via the frequency filter and to initiate a protective action in response.
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