Name: norton current in ac circuit analysis
Uploaded: 2024-04-11T12:48:50.000Z
Duration: 1 min 16 s
Channel: JoVE

El teorema de Norton establece que cualquier red lineal de dos terminales puede ser reemplazada por un circuito equivalente que consta de una fuente de corriente constante en paralelo con una impedancia.
Para determinar el valor de la impedancia en paralelo, la fuente se reemplaza con su impedancia interna. La impedancia equivalente de este circuito resultante es la impedancia de Norton, que es la misma que la impedancia de Thévenin.
Para determinar la corriente de Norton, vuelva a colocar las fuentes en el circuito y analice el voltaje de circuito abierto, que es el voltaje de Thévenin.
El voltaje de Thévenin está determinado por el producto de la corriente de la fuente y la impedancia de Thevenin.
El mismo voltaje se cae a través de la impedancia de carga a medida que se coloca en una configuración paralela.
Recuerde la relación entre la corriente de Norton, el voltaje de Thévenin y la impedancia de Thévenin. Al sustituir los valores, permite la determinación de la corriente de Norton.
El teorema de Norton es beneficioso para analizar y diseñar sistemas que contienen circuitos de CA complejos.
Al determinar el circuito equivalente de Norton para cada etapa o sección del circuito complejo, se puede simplificar el análisis del sistema general.

circuitos equivalentes de norton

El teorema de Norton es un concepto fundamental en el campo de la ingeniería eléctrica que permite simplificar circuitos de CA complejos. El teorema establece que cualquier red lineal de dos terminales se puede reemplazar con un circuito equivalente que consta de una impedancia paralela a una fuente de corriente constante. La Figura 1 muestra el circuito de CA dividido en dos partes: Circuito A y Circuito B, mientras que la Figura 2 muestra el circuito obtenido reemplazando el Circuito A por su circuito equivalente Norton. <img alt="Figure1" src="/files/ftp_upload/15114/15114_PT_Figure_1.svg" style="text-align: center; height: 160px;"> Figura 1: Un circuito dividido en dos partes <img alt="Figure2" src="/files/ftp_upload/15114/15114_PT_Figure_2.svg" style="text-align: center; height: 160px;"> Figura 2: Circuito equivalente de Norton Para calcular el valor de la impedancia en paralelo, se debe reemplazar la fuente con su impedancia interna, lo que da como resultado un circuito con una impedancia equivalente conocida como impedancia de Norton. La impedancia de Norton es la misma que la impedancia de Thévenin y se utiliza para determinar la corriente de Norton, que es la corriente que fluye por el circuito. Para determinar la corriente Norton es necesario volver a colocar las fuentes en el circuito y analizar el voltaje de circuito abierto, también conocido como voltaje de Thévenin. El valor del voltaje de Thévenin se determina multiplicando la corriente de la fuente por la impedancia de Thevenin y se usa para reducir el mismo voltaje a través de la impedancia de carga cuando se coloca en una configuración en paralelo.

Circuitos equivalentes de Norton

El teorema de Norton establece que cualquier red lineal de dos terminales puede ser reemplazada por un circuito equivalente que consta de una fuente de corriente constante en ...

Education

Educación

JoVE Core

Electrical Engineering

Ingeniería Eléctrica

Unit 1

Unidad 1

AC Circuit Analysis

Análisis de circuitos de corriente alterna (CA)

KEY TERMS AND CONCEPTS

TÉRMINOS Y CONCEPTOS CLAVE

Norton Equivalent Circuits

norton current in ac circuit analysis

Norton’s theorem helps simplify complex AC circuits by replacing a two-terminal linear network with a smaller equivalent circuit. That equivalent circuit uses an impedance in parallel with a constant current source. The method lets students break one complicated circuit into two parts and analyze them more easily.

To build the Norton equivalent, the source is replaced by its internal impedance. The result is the Norton impedance, which is the same as the Thévenin impedance. This parallel impedance is the key value used in the equivalent circuit.

Finding the Norton current takes one more step. The sources are placed back into the circuit, and the open-circuit voltage is analyzed. That voltage is also called the Thévenin voltage, and it can be found by multiplying the source current by the Thévenin impedance.

The Thévenin voltage helps show the same voltage drop across the load impedance when the load is arranged in parallel. Using the relationship between the Norton current, the Thévenin voltage, and the Norton impedance makes it possible to determine the circuit current. This makes Norton’s theorem useful for analyzing and designing systems with complex AC circuits because it turns a hard problem into smaller, more manageable parts.

Norton Current in AC Circuit Analysis

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Learn how Norton’s theorem simplifies complex AC circuits with a parallel current source and impedance, and how Norton current is determined from Thévenin values.

Norton Current in AC Circuit Analysis | JoVE K12

JoVE Core Electrical Engineering offers easy-to-understand animated videos that cover fundamental concepts of electric circuits along with circuit analysis techniques. It incorporates first-order and second-order circuits using operational amplifiers and circuit transformation concepts. The inclusion of practical design examples and real-world applications through scientist-in-action videos adds significant educational value, making complex concepts accessible.

electrical engineering

Norton Current in AC Circuit Analysis

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