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Q#1 Transformers GATE EE 2017 NAT +2 marks -0 marks

A three-phase, three winding  (1.1 kV/6.6 kV/400 V) transformer is energized from AC mains at the 1.1 kV side. It supplies 900 kVA load at 0.8 power factor lag from the 6.6 kV winding and 300 kVA load at 0.6 power factor lag from the 400 V winding. The RMS line current in ampere drawn by the 1.1 kV winding from the mains is ____________.

(Given the answer up to one decimal place).

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