Current limiting device with a superconductor and a control coil

Details Current limiting device with a superconductor and a control coil Current limiting device with a superconductor and a control coil

1992-05-29

1995-12-12

Pellinen, A. D.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Including superconductivity

361 19, 361 58, H02H 308

Patent

active

054755603

ABSTRACT:
A current limiting device using a superconductor limits a current flowing throu A c5 V pV:a current limiting coil, which mangetically couples to the superconductor. A control coil is provided to magnetically couple with the current limiting coil when the superconductor is switched to a normal conduction state. A variable control impedance is connected to the control coil to adjust a control current flowing through the control coil. The current limiting impedance value of the current limiting coil is adjusted by the value of the control impedance to obtain an adjustable value of the current flowing through the current limiting coil.

REFERENCES:
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patent: 3283168 (1966-11-01), Garwin
patent: 3691491 (1972-09-01), Massar et al.
patent: 4470090 (1984-09-01), Carr, Jr.
patent: 4602231 (1986-07-01), Purcell et al.
patent: 4974113 (1990-11-01), Gabrielse et al.
patent: 5105098 (1992-04-01), Gattozzi
patent: 5148046 (1992-09-01), Hilal
patent: 5225957 (1993-07-01), Tsurunaga
patent: 5355275 (1994-10-01), Goodier et al.

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