V2EX isolation transformer

Isolation Transformer

定义 Definition

隔离变压器:一种通过电磁感应传递交流电能、但让输入与输出在电气上互不直接导通的变压器,用于提高用电安全、减少漏电风险、抑制地回路干扰与部分噪声;常见于维修台、电源系统、医疗与实验场景。(也有用于“隔离噪声/地线”的音频隔离变压器等相关用法。)

发音 Pronunciation (IPA)

/aslen trnsfrmr/

例句 Examples

An isolation transformer can make servicing old equipment safer.
隔离变压器可以让维修旧设备更安全。

In sensitive lab setups, an isolation transformer is often used to reduce ground-loop interference and improve measurement stability.
在对噪声敏感的实验室搭建中,隔离变压器常用于减少地回路干扰并提高测量稳定性。

词源 Etymology

isolation 来自 isolate(隔离),源于拉丁语 insula(岛),引申为“像岛一样分开”;transformer 来自 transform(改变形态/转换),在电工语境中特指“把电压/电流等级进行转换的装置”。合起来字面意思是“用于隔离的变压器”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • The Art of Electronics(Horowitz & Hill)中在电源与测量安全相关章节常讨论隔离与隔离变压器的用途。
  • Practical Electronics for Inventors(Paul Scherz, Simon Monk)在实验安全与电源部分提及隔离供电与隔离变压器。
  • The Radio Amateur’s Handbook(ARRL 出版)在维修、测试与电源隔离的语境中出现该术语。
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