Electricity: electrical systems and devices – Safety and protection of systems and devices – Motor protective condition responsive circuits
Reexamination Certificate
2004-06-28
2008-03-11
Deberadinis, Robert L. (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Motor protective condition responsive circuits
C361S019000, C361S093500, C361S115000, C323S360000, C335S216000
Reexamination Certificate
active
07342757
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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Bray James William
Huang Xianrui
Ryan David Thomas
Sivasubramaniam Kiruba Haran
Deberadinis Robert L.
Fletcher Yoder
General Electric Company
Patel Dharti H
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