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Clase 02 Fasores UNMSM EDU FIEE PERU LIMA
Clase 02 Fasores UNMSM EDU FIEE PERU LIMA
RonmelCastro1
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Sep 09, 2025
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About This Presentation
Clase fasores UNMSM FIEE
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771.45 KB
Language:
es
Added:
Sep 09, 2025
Slides:
21 pages
Slide Content
Slide 1
Circuitos Eléctricos II
Slide 2
FASORES
•Unfasoresunnumerocomplejoquerepresentalaamplitudylafase
deunasenoide.
Slide 3
UNNUMEROCOMPLEJOSE
PUEDE EXPRESAR
Slide 4
RELACIÓNENTRELAFORMAPOLARYLA
RECTANGULAR
Slide 5
OPERACIONESENTRENUMEROSCOMPLEJOS
Slide 6
OPERACIONESENTRENUMEROSCOMPLEJOS
Slide 7
EJEMPLO
Evalúe las siguientes expresiones
(40∠50° + 20∠ − 30°)
1/2
10∠−30°+3−??????4
2+??????43−??????5
∗
Slide 8
Evalúe las siguientes expresiones
(40∠50° + 20∠ − 30°)
1/2
Slide 9
Evalúe las siguientes expresiones
10∠ − 30° + 3 − ??????4
(2 + ??????4)(3 − ??????5)
∗
Slide 10
Fasores
•Lossenoidesencorrientealternaseexpresanfácilmenteentérminosde
fasores,conlosqueesmáscómodotrabajarqueconlasfuncionessenoy
coseno.
•Unnúmerocomplejoesunaexpresiónrepresentadaporunaparterealyotra
imaginaria,enlaquelaparteimaginariaesunmúltiplodei,dondei=−1,
queparaelcasodeloscircuitoseléctricosserepresentaporlaletraj.
•Lasexpresionesfasorialessepuedendarencoordenadaspolares,
coordenadasrectangularesasícomoenfuncióndesenosycosenos.
Unfasoresunnúmerocomplejoquerepresentalaamplitudyla
fase deunasenoide.
�=�+ ??????�=�∅=�(??????��∅+ ??????�??????�∅)
Slide 11
Expresionesen
dominio temporaly
dominiofasorial
??????�=??????�??????��(ω�+∅)
(Representacióneneldominio
temporal)
??????=??????�∠∅
(Representaciónenel
dominiofasorial)
⇔
Slide 12
REPRESENTACIONENFASORES
ALGOSOBRELANOTACIÓN
DOMINIOTEMPORAL DOMINIOFASORIAL
Slide 13
EJERCICIOS
•Transformeestassenoidesenfasores:
a)i=6cos(50t-40°)
b)v=-4 sin(30t+50°)
Hallelassenoidescorrespondientesaestosfasores:
??????=10∠30°
I=−3+??????4
Slide 14
DIAGRAMASFASORIALES
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