Question # 2: A 2000/400 V, 100 kVA, 60 Hz step-down single-phase transformer has a primary and secondary resistances of 0.2 2 and 0.05 2 respectively, the corresponding leakage reactances being 0.3 2 and 0.01 2 respectively. 1. Calculate the equivalent resistance, reactance and impedance referred to the low-voltage (secondary) side. 2. Find the high (primary) voltage when the transformer is supplying full-load current at rated secondary voltage at 0.8 power factor lagging. 3. Draw the phasor diagram showing your answer in 2. Transformer w roo V₂ at 0.80 pF, lag Load

Question # 2: A 2000/400 V, 100 kVA, 60 Hz step-down single-phase transformer has a primary and secondary resistances of 0.2 2 and 0.05 2 respectively, the corresponding leakage reactances being 0.3 2 and 0.01 2 respectively. 1. Calculate the equivalent resistance, reactance and impedance referred to the low-voltage (secondary) side. 2. Find the high (primary) voltage when the transformer is supplying full-load current at rated secondary voltage at 0.8 power factor lagging. 3. Draw the phasor diagram showing your answer in 2. Transformer w roo V₂ at 0.80 pF, lag Load

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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