V2EX polyphase

Polyphase

释义 Definition

polyphase(多相的;多相电的):指由两个或以上相位彼此有固定相位差的交流电(最常见的是三相电);也可泛指“多相系统/多相过程”(在工程语境中尤常见)。

发音 Pronunciation

/plifez/

例句 Examples

Polyphase power is commonly used in factories.
多相电力常用于工厂。

Polyphase induction motors are preferred because they deliver smoother torque and higher efficiency than single-phase motors in many applications.
多相感应电动机更受青睐,因为在许多应用中它们比单相电动机提供更平稳的转矩和更高的效率。

词源 Etymology

来自 **poly-**(“多、多个”,源自希腊语 polys)+ phase(“相位/阶段”,源自希腊语 phasis,与“显现、表现”相关)。合起来字面义为“多相位的”,在电工学中专指多相交流系统。

相关词 Related Words

文学与作品 Literary Works

  • 《Electric Machinery Fundamentals》(Stephen J. Chapman):讨论交流电机时常用到 polyphase(多相)系统与多相感应电机等概念。
  • 《Power System Analysis》(Hadi Saadat):在电力系统建模与三相/多相分析语境中出现 polyphase
  • 《Standard Handbook for Electrical Engineers》(McGraw-Hill 编):作为电气工程工具书,在多相交流、电机与配电章节中使用 polyphase
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