V2EX scr

SCR

定义 / Definition

SCR 常指 silicon-controlled rectifier(硅控整流器):一种可控的半导体器件(属于晶闸管/Thyristor),常用于电源整流、调光、调速与功率控制。日常英语中也可能见作缩写,具体含义需看上下文。

发音 / Pronunciation (IPA)

/s si r/

例句 / Examples

The circuit uses an SCR to control the lamp.
这个电路用一个 SCR 来控制灯的亮度。

In industrial drives, an SCR-based controller can regulate motor speed by adjusting the firing angle, which changes the effective voltage delivered to the load.
在工业传动中,基于 SCR 的控制器可以通过调整触发角来调节电机转速,从而改变加到负载上的等效电压。

词源 / Etymology

SCR 来自短语 Silicon Controlled Rectifier 的首字母缩写:silicon(硅)+ controlled(可控的)+ rectifier(整流器)。该术语随着电力电子技术的发展而普及,尤其在可控整流与交流调功领域使用频繁。

相关词 / Related Words

文学与作品示例 / Notable Works

  • The Art of Electronics(Horowitz & Hill):在电源与功率控制相关章节中讨论 SCR/晶闸管应用。
  • Power Electronics: Converters, Applications, and Design(Mohan, Undeland, Robbins):系统介绍 SCR 可控整流与触发控制。
  • Electronic Devices and Circuit Theory(Boylestad & Nashelsky):在半导体器件章节中提及 SCR 的结构与工作原理。
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