V2EX overvolt

Overvolt

释义 Definition

overvolt(动词,工程/电子学)指对电路或器件施加超过其额定值的电压,从而可能导致过压应力、故障或损坏。(也可作较少见的名词用法,指“过压状态/事件”。更常见的对应名词是 overvoltage。)

发音 Pronunciation (IPA)

/ovrvolt/

例句 Examples

The technician accidentally overvolted the sensor during testing.
技术员在测试时不小心给传感器施加了过高电压。

If you overvolt the microcontroller even briefly, you may trigger latch-up or permanently damage the chip.
即使只是一瞬间给微控制器过压,也可能引发闩锁效应或造成芯片永久性损坏。

词源 Etymology

由前缀 **over-**(“过度、超过”)+ volt(“伏特,电压单位”,源自意大利科学家 Volta 的姓氏)构成,字面意思就是“电压超过额定值”。

相关词 Related Words

文献与作品 Literary/Notable Works

  • The Art of Electronics(Horowitz & Hill):讨论器件在过压/误接电源等情况下的失效与保护思路(常见表述为 overvoltage/overvolting)。
  • IEC 标准 IEC 61000-4-5(浪涌抗扰度测试):涉及电气设备在瞬态过压条件下的测试与防护(语境与 “overvolt” 高度相关)。
  • 半导体厂商应用笔记(如 TI、Analog Devices 的 ESD/过压保护资料):常用于描述“对输入端过压(overvolt/overvolting)会带来何种风险以及如何钳位保护”。
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