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Potencia en AC Potencia en AC. Corrección del Factor de Factor de ...

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θ<br />

S<br />

P R<br />

Q C<br />

Q L<br />

ZRL RL= = 426.5 426.5Ω∟62.05 62.05º=199.9+j376.75<br />

º=199.9+j376.75<br />

ZC= = 800.8 800.8∟-90 90º º = -j800.8 j800.8<br />

ZT=ZRL// RL// ZC=(341541.2 =(341541.2∟-27.95 27.95º)/ )/(469.03 (469.03∟-64.77 64.77º)<br />

ZT= = (728.18∟36.82<br />

(728.18 36.82º)<br />

I IT= = (110 (110∟0º)/ (110 (110∟0º)/ º)/ (728 (728.18 (728.18∟36.82 18 18∟36 36.82º) 36 82 82º)<br />

IT= = 0.15 0.15∟-36.82 36.82º<br />

IL= = 0.258 0.258∟-62.05 62.05º<br />

I T<br />

Resonancia <strong>en</strong> <strong>AC</strong>.<br />

Respuesta <strong>en</strong> Frecu<strong>en</strong>cia.<br />

S Q L<br />

θ<br />

36.87º Q´<br />

P R<br />

Q C<br />

θ =62.05º-> Cos Cosθ= 0.468<br />

QL=I =I 2 XL=25.09 25.09 VAR<br />

Determine el Capacitor para que<br />

el factor <strong>de</strong> pot<strong>en</strong>cia sea 0.8<br />

Cos Cosθ´=0.8 -> θ´=36.87º<br />

tg tgg θ´= Q´/P Q / R<br />

Q´= = PRtg tg θ´=13.31 13.31tg tg 36.87º= 9.98 VAR<br />

QC= QL-Q´= = 25.09 25.09-9.98= 9.98=15.11 15.11 VAR<br />

I IT QC= = V V2 /X /XC C -> > XC= = V2 /Q C<br />

XC= = 800.8 800.8Ω -> > C=3.31x10 -6F IT= = 0.15 0.15∟-36.82 36.82º<br />

IL= = 0.258 0.258∟-62.05 62.05º<br />

IC= = 0.14 0.14∟90 90º<br />

I L<br />

Circuito Resonante Serie <strong>en</strong> <strong>AC</strong>.<br />

Resonancia!!!<br />

E<br />

2

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