Q/2 A 35 kVA, 2400/110 V transformer has RI= 1.55 2, R2 0.00252. The leakage reactance's are XI= 2.502 and X2 0.00550. Calculate: 1. Equivalent resistance referred to primary. 2. Equivalent resistance referred to secondary. 3. Equivalent reactance referred to primary. 4. Equivalent reactance referred to secondary. 5. Equivalent impedance referred to primary. 6. Equivalent impedance referred to secondary. 7. Total cupper loss. 8. The efficiency while supplying full load at 0.9 p.f. lagging. 9. Draw the exact equivalent circuit referred to primary and secondary winding

Q/2 A 35 kVA, 2400/110 V transformer has RI= 1.55 2, R2 0.00252. The leakage reactance's are XI= 2.502 and X2 0.00550. Calculate: 1. Equivalent resistance referred to primary. 2. Equivalent resistance referred to secondary. 3. Equivalent reactance referred to primary. 4. Equivalent reactance referred to secondary. 5. Equivalent impedance referred to primary. 6. Equivalent impedance referred to secondary. 7. Total cupper loss. 8. The efficiency while supplying full load at 0.9 p.f. lagging. 9. Draw the exact equivalent circuit referred to primary and secondary winding

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.51P: The ratings of a three-phase three-winding transformer are Primary(1): Y connected 66kV,15MVA...

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