1.

A 400 V, 50 Hz, three phase balanced source supplies power to a star connected load whose rating is 12 3 k VA, 0.8 pf (lag). The rating (in kVAR) of the delta connected (capacitive) reactive power bank necessary to bring the pf to unity is

A. 28.78
B. 21.60
C. 16.60
D. 12.47
Answer» E.


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