JoVE Logo

サインイン

第7章

AC 定常電力

瞬時電力
瞬時電力
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 ...
平均電力
平均電力
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 ...
複素電力
複素電力
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 電力の保存
AC 電力の保存
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. ...
電力の重ね合わせの原理
電力の重ね合わせの原理
Consider a circuit with two sinusoidal voltage sources. According to the superposition principle, the total current resulting from both sources is the sum ...
最大電力伝送定理
最大電力伝送定理
Consider a linear AC circuit connected to a load, represented by its Thevenin equivalent. The current flowing through the load is determined using the ...
JoVE Logo

個人情報保護方針

利用規約

一般データ保護規則

研究

教育

JoVEについて

Copyright © 2023 MyJoVE Corporation. All rights reserved