灯具ERP中DF值的计算
各位大佬麻烦解答下是根据电压的谐波系数来计算还是电流的计算。DF=pf*根号1+TDH2 411708836hjw 发表于 2021-8-24 19:11
DF=pf*根号1+TDH2
这个我知道啊,但是THD不是分电流的总谐波失真和电压的总谐波失真吗? The total harmonic distortion (THD) is quantified by the harmonics of the mains current, according to IEC 61000-3-2.
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