I thought I had this figured out, but the Chalapti book seems to be doing it differently.
A building is supplied by a 480 V four wire service. The building has a 3 phase motor load of 185 kW at 0.8pf. What is line current?
I=185(ang-36.86)/(1.73*480(ang30)*0.8)
Why are they including the 30deg for voltage? When power factor is given, isn't it with respect to voltage so we can neglect the 30 voltage angle?
A building is supplied by a 480 V four wire service. The building has a 3 phase motor load of 185 kW at 0.8pf. What is line current?
I=185(ang-36.86)/(1.73*480(ang30)*0.8)
Why are they including the 30deg for voltage? When power factor is given, isn't it with respect to voltage so we can neglect the 30 voltage angle?
