Page 448 - Basic Electrical Engineering

Figure 4.14

Example 4.8 A balanced three-phase star-connected load of 8 + j6 Ω per

phase is supplied by a 400 V, 50 Hz supply. Calculate the line current, power
factor, active, and reactive power.

Solution:

For star connection,

I = I = 23.1 A
Ph
L

Angle of lag of I with V is 37°
Ph
Ph