A Novel Bridge Type FCL Based on Single Controllable Switch

A novel bridge type FCL (fault current limiter) with single controllable switch is proposed in this paper. The topologies and control strategies of the new FCL for single-phase and three-phase power systems are investigated in detail. The advantage of the new FCL includes simplicity in circuit and control method, low cost and high reliability. Simulations based on Psim 6 are carried out. A three-phase experimental model is constructed. Simulation and experiment results proved the validity of the new FCL.

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