Q2: A 4000/400 V, 10 kVA transformer has the following constants: Primary and secondary winding resistances of 13 Q and 0.15 Q respectively Leakage reactance referred to primary is 45 2 Resistance of equivalent exciting circuit referred to primary, RO = 12k 2 Reactance of equivalent exciting circuit referred to primary, X0 = 6k 2 What would be the reading of the instruments when the transformer is connected for the open-circuit and short-circuit tests? Compute the voltage regulation for full load at 0.8 p.f. lagging.
Q2: A 4000/400 V, 10 kVA transformer has the following constants: Primary and secondary winding resistances of 13 Q and 0.15 Q respectively Leakage reactance referred to primary is 45 2 Resistance of equivalent exciting circuit referred to primary, RO = 12k 2 Reactance of equivalent exciting circuit referred to primary, X0 = 6k 2 What would be the reading of the instruments when the transformer is connected for the open-circuit and short-circuit tests? Compute the voltage regulation for full load at 0.8 p.f. lagging.
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 3.9P
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