Self-triggering superconducting fault current limiter
Patent
·
OSTI ID:985181
- Albany, NY
- Rexford, NY
A modular and scaleable Matrix Fault Current Limiter (MFCL) that functions as a "variable impedance" device in an electric power network, using components made of superconducting and non-superconducting electrically conductive materials. The matrix fault current limiter comprises a fault current limiter module that includes a superconductor which is electrically coupled in parallel with a trigger coil, wherein the trigger coil is magnetically coupled to the superconductor. The current surge doing a fault within the electrical power network will cause the superconductor to transition to its resistive state and also generate a uniform magnetic field in the trigger coil and simultaneously limit the voltage developed across the superconductor. This results in fast and uniform quenching of the superconductors, significantly reduces the burnout risk associated with non-uniformity often existing within the volume of superconductor materials. The fault current limiter modules may be electrically coupled together to form various "n" (rows).times."m" (columns) matrix configurations.
- Research Organization:
- SuperPower, Inc.
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC36-03GO13033
- Assignee:
- SuperPower, Inc.
- Patent Number(s):
- 7,440,244
- Application Number:
- 11/097,560
- OSTI ID:
- 985181
- Country of Publication:
- United States
- Language:
- English
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