矿热炉电流互感器接线方法对冶炼的影响及改装实践

EFFECT OF CONNECTION MODE OF CURRENT INSTRU-MENT TRANSFORMER IN SUBMERGED ELECTRIC ARC FURNACE ON SMELTING AND PRACTICE FOR REPACKING

阐述了铁合金电炉变压器绕组接线组别与电流互感器的不同连接方法对铁合金电炉冶炼的影响;提出适应变压器绕组接线组别,减小对电炉冶炼影响的比较经济的改装方案;并对方案实施后需要变动的主要参数做了具体的分析、计算。

The effect is expounded of different connection mode of the transformer and current instrument transformer on smelting in ferroalloy electric furnace.The economical repacking plan is put forward to suit transformer winding connection and to reduce the effect on smelting.The main parameters that should be changed are specificly analysed and calculated.