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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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Excercies
1. Two transformers A and R
to
are Connected in paralel
lbad of (2+jl.5). Theiir impedanas in
Secondary terms
Coltjo6)5
EA = 200 LoV
output and power factor of each transformer
ZA = (o15+50.8)2 and z%=
Their nolead termindvltages are
and EB= 21010v Fnd the power
are
%3D
2. Two transformes A and B of ratings 500KVA and 25okVA
supplyiny a load kVA of 75o atoi8Pf lagging. Their
open circuit voltajes are 400V and
Trausformer A has 1% resistance and 5/ reactance and
trans former B hay ls resistance and 4% reactance. Find
() Cross-currnt in the seandaries
load shared by each transformer.
are
4lov respectively.
on no-load,b) the
12
Transcribed Image Text:Excercies 1. Two transformers A and R to are Connected in paralel lbad of (2+jl.5). Theiir impedanas in Secondary terms Coltjo6)5 EA = 200 LoV output and power factor of each transformer ZA = (o15+50.8)2 and z%= Their nolead termindvltages are and EB= 21010v Fnd the power are %3D 2. Two transformes A and B of ratings 500KVA and 25okVA supplyiny a load kVA of 75o atoi8Pf lagging. Their open circuit voltajes are 400V and Trausformer A has 1% resistance and 5/ reactance and trans former B hay ls resistance and 4% reactance. Find () Cross-currnt in the seandaries load shared by each transformer. are 4lov respectively. on no-load,b) the 12
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