Definition: Fault Current Limiter

From Open Energy Information


Fault Current Limiter

A fault current limiter prevents current in an electrical circuit from exceeding a predetermined level by increasing the electrical impedance of that circuit before the current through the circuit exceeds that level. Fault current limiters are designed so as to minimize the impedance of the circuit under normal conditions to reduce losses, but increase the impedance of the circuit under fault conditions to limit fault current.[1]

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Related Terms
smart gridFault Current LimitingFault

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