System and method for quench protection of a superconductor

Details System and method for quench protection of a superconductor System and method for quench protection of a superconductor

2008-03-11

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

10878589

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.

REFERENCES:
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patent: 5999383 (1999-12-01), Hall et al.
patent: 6420842 (2002-07-01), Gold
patent: 6445555 (2002-09-01), Buckles et al.

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