V2EX lightning arrester

Lightning Arrester

定义 Definition

lightning arrester避雷器;一种用于电力系统或通信线路的保护装置,在雷击或开关操作引起的瞬态过电压出现时,将冲击电流泄放到大地,从而保护设备绝缘与人身/系统安全。(也常称 surge arrester

发音 Pronunciation (IPA)

/latn rstr/

例句 Examples

A lightning arrester protects the transformer.
避雷器保护变压器。

After the storm, the engineer inspected the lightning arrester to ensure it had safely diverted the surge and prevented insulation damage.
暴风雨过后,工程师检查避雷器,确认它已安全泄放浪涌并避免绝缘受损。

词源 Etymology

lightning(闪电)源自古英语 līget 等词根,指“闪电/电光”;arrester 来自 arrest(阻止、制止),词源可追溯到古法语 arester(使停住)。合起来字面义为“把闪电(造成的过电压)拦住的装置”,现代用法特指电气工程中的过电压保护器件。

相关词 Related Words

文献/作品中的用例 Literary Works

  • Electrical Power Systems(C. L. Wadhwa 等电力系统教材中常见该术语)
  • Power System Analysis and Design(J. Duncan Glover 等教材常讨论避雷器/浪涌保护)
  • IEEE/IEC 相关标准与技术文档(如配电与变电站过电压保护章节中频繁出现 lightning arrester / surge arrester
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