摘  要：文章介紹了120噸轉爐傾動變頻器由AB 1336升級替換為AB PowerFlex755的技術方案和現場應用情況。結果表明，變頻改造后實現了轉爐的穩定高效運行，滿足轉爐煉鋼的操作需求，達到了很好的節能降耗效果。 關鍵詞：AB755    變頻器    轉爐 Abstract: This paper introduces the upgrade technical scheme and application of 120t converter inverter that is replaced from AB 1336 to AB PowerFlex755. The results show that the converter can achieve stable and efficient operation, th[登陸后可查看全文]