Q4. A 100KVA, 200/4000V Y-A transformer has per phase in per-unit system Regpa"0.3, Xegga"0.4, Repa=Xmpw=1200 refer to low voltage side: 1. Find the full-load voltage regulation when PF=0.9 Lagging. 2. Calculate the efficiency at the same load. 3. If a single phase of this transformer is connected as a step-up Autotransformer, find the maximum VA rating.

Q4. A 100KVA, 200/4000V Y-A transformer has per phase in per-unit system Regpa"0.3, Xegga"0.4, Repa=Xmpw=1200 refer to low voltage side: 1. Find the full-load voltage regulation when PF=0.9 Lagging. 2. Calculate the efficiency at the same load. 3. If a single phase of this transformer is connected as a step-up Autotransformer, find the maximum VA rating.

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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