Basic AC Power POWER TRIANGLE 3. pf cosq q arctan X_C R cos arctan X_C R cos arctan 80 60 cos(arctan(   1.33)) cos(   53°) pf 0.60 4. P EIcosq (120)(1.2)(0.60) P 86.4  watts 5. Q EIsinq (120)(1.2)(0.798) Q 114.9  VAR 6. S EI (120)(1.2) S 144  VA Rev. 0 Page 9 ES-09