V2EX brownout

Brownout

定义 Definition

brownout(停电降压/电压骤降;也指“限电”式的低电压供电):指电力系统中电压短时间下降但未完全断电,常导致灯光变暗、电器性能下降或重启。(另一个较常见的含义是在航空领域指飞行员因尘土/雪雾导致的“视觉棕化”现象。)

发音 Pronunciation

/branat/

例句 Examples

The lights flickered during the brownout.
停电降压期间,灯光闪烁了一下。

After the storm, the neighborhood experienced a brownout that caused several computers to restart and the air conditioners to run poorly.
暴风雨过后,小区出现了电压骤降,导致几台电脑重启,空调也运转不佳。

词源 Etymology

brownout形成于20世纪美国英语,来自对比词 blackout(完全停电)。当电压降低时,白炽灯会变暗、呈“发黄发褐”的视觉效果,因此用“brown(褐色)+ out(熄/断)”来形容没彻底黑掉、但明显变暗的供电状态。

相关词 Related Words

文学作品 Literary Works

  • A Song of Ice and Fire(George R. R. Martin)
  • The Water Knife(Paolo Bacigalupi)
  • Snow Crash(Neal Stephenson)
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