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Q5. A three phase, 440 V a.c. generator supplies the following loads:

i) 400 kW at a power factor 0.8 lagging

ii) 300 kW at unity power factor

iii) 250 kW at power factor 0.9 leading

Calculate EACH of the following:

(a) The total kW, kVA and kVAR supplied by the generator;(12)

(b) The generator current and power factor. (4)