KS C IEC 60725-2014(2019) 考虑参考阻抗和公共供电网络阻抗 用于确定每相额定电流≤75A的电气设备的干扰特性
Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase