CAPACITORES E INDUCTORESCAPACITORES E INDUCTORES
Transcript of CAPACITORES E INDUCTORESCAPACITORES E INDUCTORES
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CAPITULO 7CAPITULO 7
CAPACITORES E INDUCTORESCAPACITORES E INDUCTORES
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IntroducciónIntroducción
•• El inductor y el El inductor y el capacitorcapacitor son elementos son elementos pasivos capaces de almacenar y suministrar pasivos capaces de almacenar y suministrar cantidades finitas de energía.cantidades finitas de energía.
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7.2 El 7.2 El capacitorcapacitor
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Modelo de capacitor ideal
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Ejemplo 7.1Ejemplo 7.1
• Determine la tensión del capacitor que está asociado con la corriente indicada en forma gráfica en la figura 7.3a.
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• 7.1. Determine la corrriente a través de un capacitor de 100pF si su tensión, como función del tiempo, está dada por la figura 7.4.
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Almacenamiento de energía
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Ejemplo 7.2Ejemplo 7.2• Calcule la energía
máxima almacenada en el capacitor de la figura 7.5 y la energía que se disipa en el resistor en el intervalo 0 < t < 0.5 s.
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• 7.2. Calcule la energía almacenada en un capacitor de 1000 uF en t = 50 us, si la tensión en el capacitor es de 1.5 cos 105t volts.
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7.3 El inductor7.3 El inductor
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• 7 .3. En la figura 7.15 se presenta la corriente a través de un inductor de 0.2 H. Suponga la convención de signos pasiva y determine VL en t igual a: a) 0; b) 2 ms; c)6 ms.
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Relaciones integrales de tensión-corriente
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Almacenamiento de energía
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7 .4 1 Combinaciones de inductancia y capacitancia
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Ejemplo 7.7 Ejemplo 7.7 Simplifique la red de la figura 7.22 mediante combinaciones serie/paralelo
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• La red de la figura 7.24 contiene tres inductores y tres capacitores, pero no pueden hacerse combinacionesen serie o paralelo de los inductores o los capacitores. No se puede simplificar esta red mediante las técnicas presentadas aquí.
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7.5 Consecuencias de la linealidad• Ejemplo 7.8. Escriba
las ecuaciones nodalesapropiadas para el circuito de la figura 7.25.
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7.7 Dualidad
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ExámenExámen PróximoPróximo
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