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Chapter 7

AC Steady State Power

Potencia instantánea
Potencia instantánea
For a circuit with a sinusoidal input, the power delivered to a passive element equals the product of the voltage and current across it. Expressing ...
Potencia media
Potencia media
For most practical applications, the time-varying instantaneous power is not a commonly used quantity. Instead, the average power is used as the ...
Valor efectivo de una forma de onda periódica
Valor efectivo de una forma de onda periódica
Consider an AC circuit with a periodic voltage source connected to a resistor. The average power delivered to the resistor equals the integral of the ...
Potencia compleja
Potencia compleja
Consider a load connected to an AC source. The voltage and currents across this load can be represented in the frequency domain. The complex power is ...
Conservación de la alimentación de CA
Conservación de la alimentación de CA
The principle of AC power conservation states that the complex, real, and reactive powers generated by the source are equivalent to the total complex, ...
Factor de potencia
Factor de potencia
The power factor is the ratio of the active power to the apparent power. It is determined by the phase difference between the voltage and current, which ...
Corrección del factor de potencia
Corrección del factor de potencia
The power transmission to a factory involves the transfer of both active and reactive power. The ratio of active to total power defines the power factor. ...
El principio de superposición de potencia
El principio de superposición de potencia
Consider a circuit with two sinusoidal voltage sources. According to the superposition principle, the total current resulting from both sources is the sum ...
El teorema de la transferencia de máxima potencia
El teorema de la transferencia de máxima potencia
Consider a linear AC circuit connected to a load, represented by its Thevenin equivalent. The current flowing through the load is determined using the ...
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