A three phase transformer has a name plate details of 30 MVA and voltage rating of 230Y kV/69 kV with a leakage reactance of 10% and the transformer connection via wye-delta. Taking a base of 230 kV on the high voltage side, the transformer reactance referred to the low voltage side in ohms is __________

A three phase transformer has a name plate details of 30 MVA and volta

1.	A three phase transformer has a name plate details of 30 MVA and voltage rating of 230Y kV/69 kV with a leakage reactance of 10% and the transformer connection via wye-delta. Taking a base of 230 kV on the high voltage side, the transformer reactance referred to the low voltage side in ohms is __________
A.	47.61
B.	15.87
C.	176.33
D.	157.8
Answer» B. 15.87

Discussion

No Comment Found

Related MCQs

The phasor operator which is used to depict the unbalanced phase voltages into three phase quantities, provides a rotation of
A given system to be analysed was found with the below phasor representation of the system voltages. Which of the symmetrical components will be present in the mentioned system?
A 400 V, 50 Hz three phase balanced source ripples to a star connected load whose rating is S(=300+j400) kVA. A delta connected capacitor bank needed to bring p.f. to 0.9 lagging. The operating power factor of the system is
A 400 V, 50 Hz three phase balanced source ripples to a star connected load whose rating is S(=300+j400) kVA. The rating of the delta connected capacitor bank needed to bring p.f. to 0.9 lagging is _______ KVAR.
A three phase transformer has a name plate details of 30 MVA and voltage rating of 230Y kV/69 kV with a leakage reactance of 10% and the transformer connection via wye-delta. Taking a base of 230 kV on the high voltage side, the transformer reactance referred to the low voltage side in ohms is
A three phase transformer has a name plate details of 30 MVA and voltage rating of 230Y kV/69 kV with a leakage reactance of 10% and the transformer connection via wye-delta. Taking a base of 230 kV on the high voltage side, the transformer reactance referred to the low voltage side in ohms is __________
A three phase transformer has a name plate details of 30 MVA and voltage rating of 230Y kV/69 kV with a leakage reactance of 10% and the transformer connection via wye-delta. Taking a base of 230 kV on the high voltage side, the transformer reactance on the LV side is<br>___________
A three phase transformer has a name plate details of 30 MVA and voltage rating of 230Y kV/69 kV with a leakage reactance of 10% and the transformer connection via wye-delta. Taking a base of 230 kV on the high voltage side, turns ratio of the windings is ______

Discussion

No Comment Found

Related MCQs

Reply to Comment