A 400 V, 50 Hz three phase balanced source ripples to a star connected load whose rating is S(=300+j400) kVA. A delta connected capacitor bank needed to bring p.f. to 0.9 lagging. The operating power factor of the system is

A 400 V, 50 Hz three phase balanced source ripples to a star connecte

1.	A 400 V, 50 Hz three phase balanced source ripples to a star connected load whose rating is S(=300+j400) kVA. A delta connected capacitor bank needed to bring p.f. to 0.9 lagging. The operating power factor of the system is
A.	0.8
B.	4/3
C.	3/4
D.	0.6
Answer» B. 4/3

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