1- 3-phase 25-kVA 34,5/0,48-kVu distribution transformers are connected in A-Y. Open-circuit test was performed on the low-voltage side of this transformer bank, and the following data were recorded: Vine.OC = 480 V, Iine,OC = 4.10 A, Poc = 945 W Short-circuit test was performed on the high-voltage side of this transformer bank, and the following data were recorded: Vine SC = 808 V, Iune SC =3.11 A, Psc = 912 W (a) Find the voltage regulation of this transformer bank at the rated load and 0.85 power factor leading. (b) Draw a phasor diagram of this transformer at 0.85 power factor leading.

1- 3-phase 25-kVA 34,5/0,48-kVu distribution transformers are connected in A-Y. Open-circuit test was performed on the low-voltage side of this transformer bank, and the following data were recorded: Vine.OC = 480 V, Iine,OC = 4.10 A, Poc = 945 W Short-circuit test was performed on the high-voltage side of this transformer bank, and the following data were recorded: Vine SC = 808 V, Iune SC =3.11 A, Psc = 912 W (a) Find the voltage regulation of this transformer bank at the rated load and 0.85 power factor leading. (b) Draw a phasor diagram of this transformer at 0.85 power factor leading.

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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