V2EX variable-frequency drive

Variable-frequency Drive

释义 Definition

变频驱动器(常简称 VFD):一种用于调节交流电动机转速与扭矩的电力电子装置,通过改变供电频率(通常也同时改变电压)来实现电机的平滑调速与节能控制。常见于风机、水泵、输送线、电梯、压缩机等场景。

发音 Pronunciation (IPA)

/vribl frikwnsi drav/

例句 Examples

A variable-frequency drive can reduce energy use in a pump system.
变频驱动器可以降低泵系统的能耗。

By using a variable-frequency drive, the factory stabilized motor speed under changing loads and cut maintenance costs.
通过使用变频驱动器,工厂在负载变化时稳定了电机转速,并降低了维护成本。

词源 Etymology

该术语由三部分构成:variable(可变的)+ frequency(频率)+ drive(驱动装置/传动控制)。随着20世纪后期电力电子(如IGBT等器件)与控制技术发展,“通过改变频率来驱动电机”的方案在工业自动化中普及,于是形成并固定了这一复合术语。也常见同义称呼 frequency inverter / inverter drive

相关词 Related Words

文学与著作 Literary Works

  • Ned Mohan, Tore M. Undeland, William P. Robbins:《Power Electronics: Converters, Applications, and Design
  • Stephen J. Chapman:《Electric Machinery Fundamentals
  • Bimal K. Bose:《Modern Power Electronics and AC Drives
  • Austin Hughes, Bill Drury:《Electric Motors and Drives: Fundamentals, Types and Applications
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