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Q3. Three identical coils each of inductance 0.1 H and resistance 30 Ω are connected in delta to a three phase, 440 V, 50 Hz supply. Three identical star connected capacitors are connected in parallel with the delta load to raise the power factor to 0. 9 lagging.

Calculate EACH of the following:

(a) the value of each capacitor; (10)

(b the percentage reduction in line current; (3)

(c) the kVAR taken by the three capacitors (3)