GATE Electrical Engineering (EE) 2020 Solved Paper

Question : 63 of 65

Marks: +1, -0

Windings 'A' , 'B' and 'C' have 20 turns each and are wound on the same iron core as shown. along with winding 'X' which has 2 turns. The figure shows the sense (clockwise\/anticlockwise) of each of the windings only and does not reflect the exact number of turns. If windings 'A' , 'B' and 'C' are supplied with balanced 3 -phase voltages at

50 {Hz}

and there is no core saturation, the no-load RMS voltage (in V, rounded of to 2 decimal places) across winding 'X' is ___________.

Your Answer:

Validate

Solution:

{V}=\;{2}/{20}(130 ∠ 0^{∘})-\;{2}/{20}(230 ∠-120^{∘})-\;{2}/{20}(230 ∠ 120^{∘})=46 ∠ 0^{∘}

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