包钢轨梁厂800轧机主传动电控系统改造

Reform of electrical control system of main driving for 800 rolling mill

采用西门子公司全数字传动系统 6RA70装置 ,改造轨梁 80 0轧机主传动系统 ,原放大机、发电机、电动机三级拖动系统中 ,取消励磁机组、放大机组 ,解决原系统存在的系统老化、备件短缺。

The all-digital driving system 6RA70 is adopted for 800 rolling mill reform. Canceling the exciter set and enlarging set could handle the problems such as system aging, spare shortage and hard maintenance.