When producing the rare earths Fe-Cr-Al alloy by electroslag remelting method, the optimum quantity of rare earths added to threephase lining electroslag furnace is 0.5%.
电渣双联法生产稀土铁铬铝合金时，稀土在三相有衬电渣炉中的最佳加入量为0.5%。
2
Electric Arc Furnace (EAF) used in metallurgy industry often causes unbalanced three-phase load power, and therefore generates severs flicker to the grid, which seriously impact the power quality.