A fault current limiter using permanent magnets has been designed and its performance simulated using a twodimensional time - stepping finite - element method incorporating a model of hysteresis for hard magnetic materials 摘要按永久磁铁设计制成的故障电流限制器,性能是靠含有硬磁材料的磁滞模型的2维时间分级有限元件方法获得的。