频率f=50HZ ,电阻为为R,电抗为X,那么阻抗Z = (R*R +X*X)^0.5,功率因数cosφ=0.5,即:
R / Z = 0.5 得:X*X = 3R*R
频率f=100HZ ,电阻为为R,电抗为2X,那么阻抗Z = (R*R +4X*X)^0.5 = √13R,
功率因数cosφ= R / Z = 1 / √13 = 0.2774
频率f=50HZ ,电阻为为R,电抗为X,那么阻抗Z = (R*R +X*X)^0.5,功率因数cosφ=0.5,即:
R / Z = 0.5 得:X*X = 3R*R
频率f=100HZ ,电阻为为R,电抗为2X,那么阻抗Z = (R*R +4X*X)^0.5 = √13R,
功率因数cosφ= R / Z = 1 / √13 = 0.2774