V2EX frequency converter

Frequency Converter

定义 Definition

frequency converter:频率转换器;一种将交流电(或信号)的频率从一个值转换为另一个值的装置,常用于电机调速、航空/船舶供电、轨道交通、电源系统与工业自动化等。(在电力领域常与 frequency changervariable-frequency drive 等术语相关,侧重点略有不同。)

发音 Pronunciation (IPA)

/frikwnsi knvtr/

例句 Examples

The factory installed a frequency converter to run the motor at 50 Hz.
工厂安装了一台频率转换器,让电机以 50 赫兹运行。

By using a frequency converter, the ship can supply stable power to equipment designed for a different grid frequency, improving efficiency and reducing wear.
通过使用频率转换器,船舶可以向按另一种电网频率设计的设备提供稳定电力,从而提高效率并减少损耗与磨损。

词源 Etymology

该短语由 frequency(频率) + converter(转换器) 构成:frequency 源自拉丁语 frequentia(频繁、次数多),在物理学中引申为“单位时间内的重复次数”;convert 源自拉丁语 convertere(转变、改变方向),加上表示“执行者/装置”的后缀 -er,合起来就是“把频率转换到另一种频率的装置”。

相关词 Related Words

文学与著名作品用例 Literary & Notable Works

  • Power Electronics: Converters, Applications, and Design(Ned Mohan 等):讨论各类电力电子变换器/变频相关技术,包含频率转换器概念与实现方式。
  • The Art of Electronics(Horowitz & Hill):在信号处理与振荡/混频等内容中涉及“频率转换”相关术语与电路思路。
  • Electric Machinery Fundamentals(Stephen J. Chapman):在电机与驱动系统章节中涉及与变频/频率变换设备相关的应用背景。
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