Quench protection circuit for a superconducting magnet

Details Quench protection circuit for a superconducting magnet Quench protection circuit for a superconducting magnet

2005-11-18

2009-02-17

Sherry, Michael J (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Superconductor protective circuits

Reexamination Certificate

active

07492556

ABSTRACT:
A quench protection circuit for a superconducting magnet, comprises at least one heater associated with a corresponding coil of the superconducting magnet. The at least one heater is arranged to be driven by an inductor which is connected in series with it and is arranged to derive a voltage from variation in a magnetic field of the superconducting magnet. The at least one heater and the inductor are arranged in a series circuit which further comprises a non-linear positive temperature coefficient resistors.

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