V2EX current limiting

Current Limiting

释义 Definition

限流;电流限制:在电路中通过元件或控制方式,把电流限制在安全或设定范围内,以保护器件、稳定工作或满足设计要求。常见方式包括串联电阻、保险丝/PTC、恒流源、开关电源的限流保护等。

发音 Pronunciation (IPA)

/krnt lmt/

例句 Examples

Current limiting protects LEDs from burning out.
限流可以防止 LED 因电流过大而烧坏。

The power supply includes current limiting to prevent damage during short circuits and overload conditions.
该电源带有限流功能,可在短路和过载情况下防止设备损坏。

词源 Etymology

current 源自拉丁语 currere(“奔跑、流动”),引申为“流动的事物”,在物理学中用于表示电荷的“流动”。limit 源自拉丁语 limes/limitis(“边界、界限”),表示“限制到某个范围内”。合起来 current limiting 字面即“对电流的界限控制”。

相关词 Related Words

文学与著作 Literary Works

  • The Art of Electronics(Horowitz & Hill)
  • Practical Electronics for Inventors(Paul Scherz & Simon Monk)
  • ARRL Handbook for Radio Communications(美国业余无线电协会 ARRL 年鉴/手册)
  • Switching Power Supply Design(与开关电源保护与限流设计相关的经典工程著作,常见于多种同名教材/专著)
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