V2EX resistive load

Resistive Load

定义 Definition

resistive load 指“电阻性负载”:在电路中主要以电阻形式消耗电能并转化为热能的负载。其典型特征是电压与电流基本同相,功率因数接近 1(与电感性/电容性等“反应性负载”相对)。

发音 Pronunciation (IPA)

/rzstv lod/

词源 Etymology

resistive 来自 resist(抵抗)+ 形容词后缀 -ive,表示“具有电阻性质的”。load 原意为“负载/负担”,在电工语境中指“接在电源上的用电设备或等效电路”。合起来即“以电阻为主要特性的负载”。

例句 Examples

A light bulb is often treated as a resistive load.
白炽灯泡常被视为一种电阻性负载。

In AC analysis, a resistive load keeps the current in phase with the voltage, simplifying power calculations.
在交流分析中,电阻性负载会使电流与电压保持同相,从而简化功率计算。

相关词 Related Words

文学与著作 Literary Works

  • The Art of Electronics(Horowitz & Hill)中在电路设计与负载建模语境下常讨论“电阻性负载”等概念。
  • Electric Circuits(Nilsson & Riedel)在交流电路与功率章节中对电阻性/反应性负载进行对比讲解。
  • Fundamentals of Electric Circuits(Alexander & Sadiku)在基础电路分析与功率因数内容中常使用该术语。
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