V2EX ac circuit

AC Circuit

释义 Definition

交流电路:以交流电(电压/电流随时间周期性变化)供电或运行的电路。常用来分析相位频率、以及电阻、电感、电容对电流的影响(阻抗)。

发音 Pronunciation (IPA)

/e si skt/

例句 Examples

An AC circuit can power a household lamp.
交流电路可以为家用灯供电。

In an AC circuit with a capacitor, the current may lead the voltage, depending on the frequency.
在含电容的交流电路中,电流可能会超前电压,具体取决于频率。

词源 Etymology

ACalternating current(交流电)的缩写;circuit 来自拉丁语 circuitus,有“环行、回路”的意思,后来引申为“电路/回路”。合起来 AC circuit 就是“交流(供电的)电路”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Principles of Electric Circuits(Floyd):在交流电路章节中大量使用 “AC circuit” 讨论阻抗与相量分析。
  • Engineering Circuit Analysis(Hayt, Kemmerly, Durbin):用 “AC circuit” 系统讲解稳态正弦分析与频率响应。
  • The Art of Electronics(Horowitz & Hill):在电子电路设计语境下提到 “AC circuit” 与耦合、滤波等概念的关系。
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