22F-B012N103
22F-B012N103
使用变频器控制高速电机时,由于高速电动机的电抗小,高次谐波亦增加输出电流值。因此,选择用于高速电动机的变频器时,应比普通电动机的变频器稍大一些。
变频器用于变极电动机时,应充分注意选择变频器的容量,使其大额定电流在变频器的额定输出电流以下。另外,在运行中进行极数转换时,应先停止电动机工作,否则会造成电动机空转,恶劣时会造成变频器损坏。
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