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A 1000 VA, 230/115 V transformer has been tested with the following results: Open-circuit test Short-circuit test P W I A V V oc oc oc 30 0.45 230    P W I A V V sc sc sc 42.3 8.7 19.1    Find (i) the equivalent circuit parameters referred to the low-voltage side of the transformer, (ii) Full load voltage regulation at 0.85 power factor lagging load.

A 1000 VA, 230/115 V transformer has been tested with the following results: Open-circuit test Short-circuit test P W I A V V oc oc oc 30 0.45 230    P W I A V V sc sc sc 42.3 8.7 19.1    Find (i) the equivalent circuit parameters referred to the low-voltage side of the transformer, (ii) Full load voltage regulation at 0.85 power factor lagging load.

Introductory Circuit Analysis (13th Edition)
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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A 1000 VA, 230/115 V transformer has been tested with the following results:
Open-circuit test Short-circuit test
P W
I A
V V
oc
oc
oc
30
0.45
230



P W
I A
V V
sc
sc
sc
42.3
8.7
19.1



Find (i) the equivalent circuit parameters referred to the low-voltage side of the transformer,
(ii) Full load voltage regulation at 0.85 power factor lagging load.

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