It is an important energy saving measurement to adopt low frequency power supply technology in submerged-arc furnacesmelting ferroalloy, which, can make power factor improve10%--15%, bower consumption reduced8%, production increase10%.

• 矿热电炉采用低频供电技术，可提高功率团数10%2515%25冶炼电耗降低8%25生产率提高10%25是铁合金冶炼节能的重要措施。