Electrical Machines Q2.8 2.8 The primary and secondary windings of a 500-kVA, 11-kV/415-V, single-phasetransformer have resistances of 0.42 Q and 0.0019 N, respectively. Its corelosses are 2.9 kW. Assuming the power factor to be 0.8 leading, determine its% efficiency on half load.

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Answered: The primary and secondary windings of a…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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The primary and secondary windings of a 500-kVA, 11-kV/415-V, single-phase transformer have resistances of 0.42 Q and 0.0019 Q, respectively. Its core losses are 2.9 kW. Assuming the power factor to be 0.8 leading, determine its % efficiency on half load.