IAB=208 ∠0°
10.44 ∠16.70 °=19.92∠−16.70 ° A
IBC=208 ∠−120 °
4.47 ∠26.57 °=46.53 ∠−146.57 ° A
ICA=208 ∠−240 °
8.60 ∠54.46 °=24.19 ∠−294.46 ° A
Ia = IAB - ICA
Ia = (19.92 ∠-16.70° A) – (24.19 ∠-294.46° A)
Ia = (19.08 – J5.72) – (10.01 + J22.01)
Ia = 9.07 – J27.73 = 29.18 ∠-71.89° A
Ib = IBC - IAB
Ib = (46.53 ∠-146.57° A) – (19.92 ∠-16.70° A)
Ib = (-38.83 – J25.63) – (19.08 + J5.72)
Ib = -57.91 – J19.91 = 61.24 ∠-161.03° A
Ic = ICA - IBC
Ic = (24.19 ∠-294.46° A) – (46.53 ∠-146.57° A)
Ic = (10.01 +J22.01) – (-38.83 – J25.63)
Ic = 48.84 + J47.64 = 68.23 ∠44.29° A
W1 = Ia x Vab x cos (θ°Vab – θ°Ia)
W1 = 29.18 x 208 x cos (0° – (-71.89°))
W1 = 1886.64 W
Vcb = Vbc + 180°
Vcb = 208 ∠-120° + 180°
Vcb = 208 ∠60°
W2 = Ic x Vcb x cos (θ°Vcb – θ°Ic)
W2 = 68.23 x 208 x cos (60° – 44.29°)
W2 = 13661.70 W
