Superconducting magnet apparatus with emergency run down unit

Details Superconducting magnet apparatus with emergency run down unit Superconducting magnet apparatus with emergency run down unit

1987-09-03

1989-02-21

Hix, L. T.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Including superconductivity

361 19, 335216, H02H 900

Patent

active

048070840

ABSTRACT:
A superconducting magnet apparatus comprises a superconducting coil, a persistent current switch with a small current bearing capacity, and a protective element respectively connected in parallel with the superconducting coil and an emergency run down unit including a heater circuit having a heater power source, a heater element disposed in proximity to the superconducting coil, and a heater circuit switch connected in series with the heater element. Thus, the heater element is energized and warmed to bring at least a part of the superconducting coil into a normal state.

REFERENCES:
patent: 4559576 (1985-12-01), Ries
patent: 4763211 (1988-08-01), Takechi

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