Three-phase non-superconductive fault current limiter based on the core-saturation effect - challenges and ideas
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Abstract
Fault current limiters (FCLs) are expected to play an important role in protection of future power systems. Saturated-core FCLs are particularly interesting because of their supreme operational advantages: inherent reaction on a fault, inherent post-fault recovery and unrestricted duration of a limiting period. The testing of a lab-scale FCL prototype proved the principle of operation. The full-scale 10 kV/400 A FCL prototype is built in co-operation with industry partners. The initial low-voltage 400 V testing has been successful. Full-voltage 10 kV testing will be performed later this year.