The simulation results show that: the effect of SFCL in the power grid is consistent with the theoretical analysis; it not only has the very strong current limiting capacity, but also help the system transient stability. 仿真计算结果表明:它不仅具有很强的限流能力,还有利于系统暂态稳定,并且验证了SFCL在电网中应用效果理论分析的正确性。