A three phase transformer has a nameplate rating of 30 MVA, 230Y/69Y kV with a leakage -reactance of 10% and the transformer connection is wye-wye. Choosing a base of 30MVA and 230 kV on high voltage side, the low voltage side impedance is ___________

176.3 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

158.7 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

1763.3 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

15.87 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

A three phase transformer has a nameplate rating of 30 MVA, 230Y/69Y k

1.	A three phase transformer has a nameplate rating of 30 MVA, 230Y/69Y kV with a leakage -reactance of 10% and the transformer connection is wye-wye. Choosing a base of 30MVA and 230 kV on high voltage side, the low voltage side impedance is ___________
A.	158.7 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ
B.	176.3 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ
C.	1763.3 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ
D.	15.87 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ
Answer» B. 176.3 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

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A three phase transformer has a nameplate rating of 30 MVA, 230Y/69Y kV with a leakage -reactance of 10% and the transformer connection is wye-wye. Choosing a base of 30MVA and 230 kV on high voltage side, the transformer reactance referred to the high voltage side will be _________(in ohms).
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A three phase transformer has a nameplate rating of 30 MVA, 230Y/69Y kV with a leakage -reactance of 10% and the transformer connection is wye-wye. Choosing a base of 30MVA and 230 kV on high voltage side, the low voltage side impedance is ___________

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