Q2-A25KVA, 2500/250V, transformer takes 3A and 150W when 250V is applied to L.V Winding and H.V winding is kept open. It takes 10 A and 350W when the L.V winding is short-circuit and 90 V is applied to H.V winding Find: i) Percentage regulation on full-load at 0.8 p.f. lagging ii) KVA supply at maximum efficiency iii) The maximum efficiency at unity p.f.

Q2-A25KVA, 2500/250V, transformer takes 3A and 150W when 250V is applied to L.V Winding and H.V winding is kept open. It takes 10 A and 350W when the L.V winding is short-circuit and 90 V is applied to H.V winding Find: i) Percentage regulation on full-load at 0.8 p.f. lagging ii) KVA supply at maximum efficiency iii) The maximum efficiency at unity p.f.

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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Topic- basic & const.