摘  要：本文著重介紹普傳科技PI500系列變頻器在某鋼廠鋼鐵熱連軋變頻改造項目中的應用。改造完成后，變頻調速軟起動特性減少了對機械設備和電網的沖擊，實現節能運行提高生產效率及工藝水平，生產線運行穩定，維護成本大大降低。 關鍵詞：變頻器；鋼鐵；軋機 Abstract: This paper mainly introduces the application of the POWTRAN technology PI500 series inverter in the transformation project of steel and steel heat rolling in a steel mill.After the completion of the renovation, frequency control of mot[登陸后可查看全文]