4. A 250kVA, 1500/150V, 50Hz transformer has an impedance of Z₁ = 4+ 2) and Z- 4.8+2.3j0 respectively. a) Determine the value of the secondary voltage at full lead for lagging power factor of 0.95 and rated voltage applied to the primary b) Calculate voltage regulation

4. A 250kVA, 1500/150V, 50Hz transformer has an impedance of Z₁ = 4+ 2) and Z- 4.8+2.3j0 respectively. a) Determine the value of the secondary voltage at full lead for lagging power factor of 0.95 and rated voltage applied to the primary b) Calculate voltage regulation

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 3.4MCQ: An ideal transformer has no real or reactive power loss. (a) True (b) False

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4. A 250kVA, 1500/150V, 50Hz transformer has an impedance of Z₁ = 4+ 2) and Z-
4.8+2.3j0 respectively.
a) Determine the value of the secondary voltage at full lead for lagging power factor of
0.95 and rated voltage applied to the primary
b) Calculate voltage regulation

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