V2EX overcurrent

Overcurrent

释义 Definition

过电流:指电路或设备中流过的电流超过额定值或安全阈值的情况,可能导致发热、损坏元件、触发保护装置(如保险丝、断路器)或引发安全风险。(在电力系统、电子设备与电机控制中很常见)

发音 Pronunciation

/ovrkrnt/

例句 Examples

An overcurrent can blow the fuse.
过电流可能会烧断保险丝。

If the motor draws overcurrent during startup, the protection relay will trip to prevent overheating and damage.
如果电机在启动时出现过电流,保护继电器会跳闸,以防止过热和损坏。

词源 Etymology

由 **over-**(“过度、超过”)+ current(“电流”)构成的复合词,字面意思就是“超过正常水平的电流”。该词在工程与电气安全语境中使用非常直接、功能性强。

相关词 Related Words

文学作品 Literary Works

overcurrent 更常见于工程标准、技术手册与安全规范中,而非传统文学作品中;在一般文学语料里出现频率较低。较常见的“文学性”替代说法会用 surge(电涌)overload(过载)、或通过情节描述“保险丝熔断/断路器跳闸”等现象来表达类似含义。

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