A fault current limiter circuit, including a voltage-controlled reactor (VCR) and a high-speed switch fault current limiter (FSFCL), conducts the load current during steady state operation and limits the load current when the load current exceeds the fault current limits . The FSFCL includes a circuit breaker having electrical breaker contacts, a coil electrically coupled to the electrical breaker contacts, a plunger mechanically coupled to the electrical breaker contacts, a parallel voltage control reactor (VCR), a transient overvoltage control circuit Wherein a magnetic field having a strength for moving the plunger is generated when a current greater than the threshold level flows through the coil and the motion of the plunger is operated to open contacts in the circuit breaker, Current to the VCR and TOCC, and limits the overall system fault current.
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