V2EX inductive load

Inductive Load

定义 Definition

Inductive load(感性负载):在交流电路中以电感特性为主的负载(如电动机、变压器、继电器线圈、电磁阀等)。它会使电流相对电压滞后,并在开关断开时因线圈储能释放而产生反电动势/电压尖峰,可能引发电弧、干扰或损坏器件。除“感性负载”这一常见含义外,在更广语境中也可泛指“具有明显电感效应的负载”。

发音 Pronunciation (IPA)

/ndktv lod/

例句 Examples

An electric motor is an inductive load.
电动机是一种感性负载。

When the relay coil (an inductive load) is switched off, a flyback diode is often added to suppress the voltage spike and protect the transistor.
当继电器线圈(感性负载)断电时,常会加装续流二极管来抑制电压尖峰并保护晶体管。

词源 Etymology

inductive 来自拉丁语 inducere(引入、导致),在电学中引申为“由电磁感应产生/具有电感特性”;load 源自古英语 lād(路程、引导、承载之物),在工程语境中发展为“电路所承受的负载/用电设备”。合起来 inductive load 即“以电感效应为主要特征的负载”。

相关词 Related Words

文学与典籍 Literary Works

  • The Art of Electronics(Horowitz & Hill)在电路驱动与保护(如继电器/电机)章节中讨论感性负载与反冲电压问题。
  • Principles of Electric Circuits(Floyd)在交流电路与相位/功率因数部分涉及感性负载的电流滞后特性。
  • Electric Machinery Fundamentals(Chapman)在电机与变压器基础内容中频繁出现感性负载相关表述。
  • ARRL Handbook for Radio Communications(ARRL)在电源、开关与噪声抑制实践中提及感性负载导致的尖峰与抑制方法。
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