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第7章

AC 定常電力

瞬時パワー
瞬時パワー
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 ...
平均パワー
平均パワー
For most practical applications, the time-varying instantaneous power is not a commonly used quantity. Instead, the average power is used as the ...
周期波形の実効値
周期波形の実効値
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 ...
コンプレックスパワー
コンプレックスパワー
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 ...
AC電力の節約
AC電力の節約
The principle of AC power conservation states that the complex, real, and reactive powers generated by the source are equivalent to the total complex, ...
力率
力率
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 ...
力率補正
力率補正
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. ...
パワー重ね合わせの原理
パワー重ね合わせの原理
Consider a circuit with two sinusoidal voltage sources. According to the superposition principle, the total current resulting from both sources is the sum ...
最大電力伝達定理
最大電力伝達定理
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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