fangfang08:
maye1111/jacking1:過程如下,WC/W1=VC/(VC-VOR)WC/VC分別指RCD吸叫的能量及電壓,W1與VC-VOR分別指漏感能量及電壓然后推導:W1=Wc(Vc-Vor)/Vc=0.5*Lk*Ip^2*f 1)Wc=Vc^2/R 2)由1)2)得出Vc*Vc*(Vc-Vor)/(Vc*R)=0.5*Lk*Ip^2*f Vc*(Vc-Vor)/R=0.5*Lk*Ip^2*f因此RCD中R的公式為:R=2*Vc*(Vc-Vor)/Lk*Ip^2*f