DieselShip's Online Content Library

Q3. A balanced, star connected, three phase load has a coil of inductance 0.2 H and resistance of 50 Ω in each phase. It is supplied at 415 V, 50 Hz. Calculate EACH of the following:

(a) The line current; (5)

(b) The power factor; (2)

(c) The value of each of the three identical delta connected capacitors to be connected to the same supply to raise the overall power factor to 0.9 lag; (7)

(d) The value of new line current. (2)