全数字直流调速系统在邯钢900m^3高炉上料控制中的应用

APPLICATION OF FULL DIGITAL DC SPEED REGULATING SYSTEM IN FEEDING CONTROL OF 900 m^3 BLAST FURNACE OF HANDAN IRON AND STEEL GROUP COMPANY

介绍了邯钢900m3高炉主卷扬电气控制系统原直流调速装置存在的问题，新上RA-24-4kv6287全数字直流调速系统的特点、控制原理和调试结果．

The problems in the old DC speed regulating device of electric control system of main hoist of 900 m^3 blast fumace of Handan Iron and Steel Group Company,the features, control principle and adjusting result of new 6RA-24-4kV6287 full digital DC speed regulating system are introduced.