V2EX average-current mode

Average-current Mode

释义 Definition

(电力电子/开关电源)平均电流模式控制:一种控制方法,通过检测并控制电感电流(或输出电流)的平均值来调节功率变换器的输出(如电压/电流),常用于 DC-DC 变换器与 PFC(功率因数校正)等场景。相较于峰值电流模式,它更强调“平均电流”的精确跟踪与较好的抗噪性。(该术语在不同拓扑与控制实现中细节会有差异。)

发音 Pronunciation (IPA)

/vrd knt mod/

例句 Examples

Average-current mode control helps the converter maintain stable output under load changes.
平均电流模式控制可以帮助变换器在负载变化时保持稳定输出。

In a PFC design, average-current mode is often used to shape the input current to follow the line voltage, improving power factor and reducing harmonics.
在 PFC 设计中,平均电流模式常用于让输入电流跟随市电电压波形,从而提高功率因数并降低谐波。

词源 Etymology

该短语由 average(平均的)+ current(电流)+ mode(模式/控制方式) 组合而成,字面意思就是“以电流平均值为控制对象的模式”。在电源控制语境里,“mode”通常指控制策略(control mode)。

相关词 Related Words

文学/著作中的用例 Literary / Notable Works

  • Fundamentals of Power Electronics(Robert W. Erickson, Dragan Maksimovi)讨论电源变换器控制方法时涉及平均电流控制相关内容。
  • Power Electronics: Converters, Applications, and Design(Ned Mohan 等)在电流控制与 PWM 控制章节中常出现该控制模式及其对比。
  • Switch-Mode Power Supplies: SPICE Simulations and Practical Designs(Christophe P. Basso)在开关电源控制环路与实现示例中会提到 average-current control / average-current mode。
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