V2EX voltage dip

Voltage Dip

定义 Definition

voltage dip(也称 voltage sag)指电力系统中电压在短时间内明显下降,随后又恢复到正常水平的现象。常见于大型电机启动、短路故障、配电网切换等情况下,可能导致设备重启、控制系统误动作或照明变暗。

发音 Pronunciation (IPA)

/voltd dp/

例句 Examples

A voltage dip can make the lights flicker.
电压暂降可能会让灯光闪烁。

During the storm, a brief voltage dip caused the factory’s control system to reset, interrupting production for several minutes.
暴风雨期间,一次短暂的电压暂降导致工厂控制系统重置,生产因此中断了几分钟。

词源 Etymology

voltage 来自 “volt(伏特)”,以意大利科学家亚历山德罗伏打(Alessandro Volta)命名,用来表示电势差;dip 原意是“下沉、下降”。合起来字面意思就是“电压下跌”,在电能质量领域中专指短时电压下降事件(与长期低电压区分)。

相关词 Related Words

文献与作品 Literary & Notable Works

  • IEEE Std 1159 Recommended Practice for Monitoring Electric Power Quality(常讨论 voltage dip/sag 的定义与测量)
  • IEC 61000-4-30 Testing and measurement techniques Power quality measurement methods(电能质量测量方法中涉及 voltage dip)
  • Roger C. Dugan et al., Electrical Power Systems Quality(电能质量经典教材,包含 voltage dip/sag 的成因与影响)
  • Mark F. McGranaghan et al., Power Quality in Power Systems and Electrical Machines(讨论电压暂降对电机与系统的影响)
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