The 3-winding single-phase transformer of Fig. 8.1 is rated at 13.8 kV/138kV/4.157 kV and 50 MVA/40 MVA/10 MVA. Terminations are as followings: 13.8 kV winding: 138 kV winding: 4.157 kV winding: 5 MVA load, pf 0.866 leading 13.8 kV Source 35 MVA load, pf = 0.866 lagging Using Spase = 10 MVA, and voltage ratings as bases, (a) Draw the pu equivalent circuit. (b) Solve for the primary current, power, and power, and power factor.

The 3-winding single-phase transformer of Fig. 8.1 is rated at 13.8 kV/138kV/4.157 kV and 50 MVA/40 MVA/10 MVA. Terminations are as followings: 13.8 kV winding: 138 kV winding: 4.157 kV winding: 5 MVA load, pf 0.866 leading 13.8 kV Source 35 MVA load, pf = 0.866 lagging Using Spase = 10 MVA, and voltage ratings as bases, (a) Draw the pu equivalent circuit. (b) Solve for the primary current, power, and power, and power factor.

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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