B- the instrument readings obtained from open and short-circuit tests on 10kVA, 450/120 50Hz transformer are: O.C. test: V₁ = 120V; I₁=4.2A; W₁ = 80W; W₁ and I₁ were read on the low-voltage side. S.C. test: V₁-8.5V; 1₁ -20A; W₁ = 100W with low voltage winding short-circuited compute: 1- the equivalent circuit constants referred to high voltage side. 2- efficiency and voltage regulation for full-load at 0.8 P.F. lagging. 3- the voltage to be applied to the high voltage side on full-load at 0.8 power factor lag when the secondary load voltage is 120V.

B- the instrument readings obtained from open and short-circuit tests on 10kVA, 450/120 50Hz transformer are: O.C. test: V₁ = 120V; I₁=4.2A; W₁ = 80W; W₁ and I₁ were read on the low-voltage side. S.C. test: V₁-8.5V; 1₁ -20A; W₁ = 100W with low voltage winding short-circuited compute: 1- the equivalent circuit constants referred to high voltage side. 2- efficiency and voltage regulation for full-load at 0.8 P.F. lagging. 3- the voltage to be applied to the high voltage side on full-load at 0.8 power factor lag when the secondary load voltage is 120V.

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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TRUE or FALSE: ideal transformer has a voltage regulation of 100 %
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