V2EX standby power

Standby Power

释义 Definition

待机功耗 / 待机电力:设备在未主动工作、处于待机状态时仍然消耗的电力(常见于电视、机顶盒、充电器、路由器等)。也常被称为“幽灵耗电/phantom load”。

发音 Pronunciation (IPA)

/stndba par/

例句 Examples

Standby power can add to your electricity bill even when devices look off.
待机功耗会增加电费,即使设备看起来已经关机。

By measuring standby power with a plug-in meter, the family identified several appliances that were wasting energy overnight.
通过用插座式电表测量待机功耗,这家人发现有几台电器在夜间一直在浪费电能。

词源 Etymology

standby 原意是“待命、备用”(stand by=在旁等待、随时可用),power 是“电力/功率”。合起来指设备“待命时仍在用电”的现象。该概念在节能与家电能效讨论中非常常见。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Natural Capitalism》(Paul Hawken, Amory B. Lovins, L. Hunter Lovins)在讨论提高能效与减少不必要能耗时,常提到待机功耗/“幽灵耗电”等概念。
  • The Home Energy Handbook》(Bruce Harley 等)家用能源审计与节能实践中,会专门讲到如何识别与降低待机功耗。
  • Sustainable EnergyWithout the Hot Air》(David J.C. MacKay)在能源使用与效率分析语境中,会涉及家电与系统的持续耗电问题(包括待机类用电)。
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