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对于大型铁合金精炼电炉冶炼过程控制问题．本文提出了三相电流控制方案，应用欧陆集散系统设备设计了三相电极控制器，成功地应用于某铁合金厂精炼电炉，实现了电弧炉冶炼过程的计算机自动控制和在线管理，使铁合金生产自动化水平达到国际先进水平．
Control problem of smelting process for large iron alloy refining furnace. This paper presents a three-phase current control scheme, the application of the European distribution system equipment designed three-phase electrode controller, successfully applied to a ferroalloy refinery furnace, the realization of the electric arc furnace smelting process of computer automation and online management, so that ferroalloy production automation Level reached the international advanced level.