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A 200/400 V, 20 kVA, and 50 Hz transformer is connected as an autotransformer to transform 600 V to 200 V.

(a) Determine the autotransformer ratio a'.

(b) Determine the kVA rating of the autotransformer.

(c) With a load of 20 kVA, 0.8 pf lagging connected to 200 V terminals, determine the currents in the load and the two transformer windings.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M92020787

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