Two nitrogen liquifiers, used for redundancy, are installed to support the superconducting fault current limiters.
As electric transmission networks become more interconnected and more power generating plants are added, the available fault current level continues to increase. In some parts of the North American electric system, the magnitude of available fault current is at the interrupting rating limit of commercially available circuit breakers. If a circuit breaker is incapable of interrupting the fault, severe and costly damage to equipment may occur as well as substantial customer outages. When the ...
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