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一、故障沿革 2800热轧机系西南铝加工厂关键设备,该轧机主传动直流电动机数据为: 型号 ZJD 250/150—12; 额定电压 630伏; 额定电流 5600安; 额定功率 3200千瓦(两台电机同轴运行); 转速 50/100(转/分); 设计过载能力2.5倍额定值; 励磁方式他励; 极数 2p=12;
First, the fault evolution 2800 hot rolling mill Southwest Aluminum Processing Plant key equipment, the mill main transmission DC motor data: Model ZJD 250 / 150-12; rated voltage of 630 volts; rated current of 5600 amp; rated power of 3200 kilowatts (two Motor coaxial operation); speed 50/100 (rev / min); design overload capacity of 2.5 times the rated value; excitation excitation; pole number 2p = 12;