Current limiting device

Details Current limiting device Current limiting device

1990-05-22

1993-07-06

De Boer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Superconductor protective circuits

361141, 361 58, 505850, H02H 900

Patent

active

052259579

ABSTRACT:
An improvement of a current limiting device using a superconductive coil. A trigger coil and current limiting coils are formed as a superconductive coil. A switching element which is actuated when a current limiting operation by the current limiting coil occurs, is connected in series to the trigger coil to immediately suppress heat generation by the trigger coil. When a quenching is detected by a detector, the trigger coil is disconnected and an additionally provided recovery coil is connected to speed up the recovery operation. A plurality of trigger coils connected in series may be used.

REFERENCES:
patent: 2350195 (1944-05-01), Rypinski
patent: 3925707 (1975-12-01), Bhate et al.
patent: 4688137 (1987-08-01), Urata
patent: 4700257 (1987-10-01), Bekhaled
patent: 4910626 (1990-03-01), Collet et al.
patent: 4930034 (1990-05-01), Kusserow et al.
patent: 5021914 (1991-06-01), Tsurunaga et al.

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