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Method and apparatus to trigger superconductors in current limiting devices

Patent ·
OSTI ID:1175102
A method and apparatus for magnetically triggering a superconductor in a superconducting fault current limiter to transition from a superconducting state to a resistive state. The triggering is achieved by employing current-carrying trigger coil or foil on either or both the inner diameter and outer diameter of a superconductor. The current-carrying coil or foil generates a magnetic field with sufficient strength and the superconductor is disposed within essentially uniform magnetic field region. For superconductor in a tubular-configured form, an additional magnetic field can be generated by placing current-carrying wire or foil inside the tube and along the center axial line.
Research Organization:
Superpower, Inc.
Sponsoring Organization:
USDOE
Assignee:
Superpower, Inc.
Patent Number(s):
6,809,910
Application Number:
10/606,467
OSTI ID:
1175102
Country of Publication:
United States
Language:
English

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