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Q3.  A three-phase, 440 V, four-pole, star connected generators runs at a speed of 25 rev./s. It supplies a delta connected load, each branch of which has a resistance of 30 Ω in series with an inductance of 75 mH.

(a) Sketch a clearly labelled circuit diagram. (2)

(b) Determine EACH of the following:

(i) the supply frequency; (2)

(ii) the generator phase voltage; (2)

(iii) the load phase current; (6)

(iv) the generator phase current; (2)

(v) the generator power output. (2)