Answered: A transformer has a primary voltage of…

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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Question

A transformer has a primary voltage of 62V and a secondary voltage of 34V. If the transformer is opeating at rated capacity and the primary current is 2A, what is the apparent power rating of the transformer? Show your answer in VA. (two decimal places) also Write down the formula that you will use. Thank you

Sph= (Vph) (ph) where,
7= |Z|40° where, Z=R+iX for -90 ≤0° ≤90°
S = P +iQ and
.
|S3ph|=√√3 |VLL|IL|
X₁ = 2n.f.L
Om
=
4.44Npf
Psc = 1c* Req
Voltage Regulation =
=
Efficiency=
|S|=√P²+Q²
and
Zeq
Pout *
Pin
Req=Rp + a²Rs
B
S=|S|40°
P.F.= cos 0°
Xc=
Esc
Isc
(VNL-VFL)
VFL
100%
1
2π.f.C
* 100%
Poc
MacBook Pro
=
P.F.=-
Xeq = Xp + a²xs
Eoc
Rm
|S|
Xm
=
Ес
Qoc

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