V2EX three-phase

Three-phase

释义 Definition

three-phase(也作 three-phase power / three-phase system):指三相的,尤指电力系统中由三路相位彼此相差 120° 的交流电组成的供电/输电方式,常用于电机、工业设备与电网。

发音 Pronunciation

/θri fez/

例句 Examples

Three-phase power is common in factories.
三相电在工厂里很常见。

The new compressor requires a three-phase supply to start smoothly and run efficiently under heavy load.
这台新压缩机需要三相电源,才能平稳启动并在重载下高效运行。

词源 Etymology

three(“三”)+ phase(“相位/阶段”) 组合而成;在电工语境里,phase 指交流电波形的“相位”。“三相”这一概念随着近代交流电力系统的发展而普及,用于更稳定、效率更高的电力传输与电机驱动。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Art of Electronics(Horowitz & Hill)在电源与电机/控制相关内容中会提到三相供电与三相系统。
  • Electrical Engineering: Principles and Applications(Allan R. Hambley)电力系统与电机章节常用 “three-phase” 讨论三相电路与三相功率。
  • Standard Handbook for Electrical Engineers(Fink & Beaty)作为工程手册,频繁出现 “three-phase” 用于电力与配电设计语境。
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