V2EX single-phase

Single-Phase

释义 Definition

single-phase(形容词):单相的;指交流电系统中只有一个相位(一组交变电压/电流)。常见于家庭用电与小功率设备供电(如单相220240V或120V系统)。也可与three-phase(三相)对比理解。

发音 Pronunciation

/sl fez/

例句 Examples

Single-phase power is common in most homes.
单相电在大多数家庭中很常见。

The workshop upgraded its wiring, but the motor still can’t reach full efficiency because it’s running on a single-phase supply.
车间升级了布线,但这台电机仍达不到最高效率,因为它使用的是单相电源。

词源 Etymology

single 源自拉丁语 singulus(“一个的、单独的”),phase 源自希腊语 phasis(“显现、阶段”)。组合起来字面意思是“单一相位”,在电工与电力系统语境中特指“只有一个相位的交流供电形式”。

相关词 Related Words

文献与作品 Literary / Works

  • Thomas L. Floyd, Principles of Electric Circuits(常用电路教材,讨论单相交流与电路分析)
  • Stephen J. Chapman, Electric Machinery Fundamentals(电机学经典教材,涉及单相电机与供电)
  • Theodore Wildi, Electrical Machines, Drives, and Power Systems(涵盖单相/三相系统与应用场景)
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