V2EX half-bridge converter

Half-bridge converter

释义 Definition

半桥变换器:一种常见的电力电子拓扑结构,通常由两只功率开关(如 MOSFET/IGBT)上下串联形成“半桥”,通过交替导通并配合电容分压或直流母线分压,为负载或变压器原边提供交变电压/脉冲电压,用于 DC-DC、DC-AC 或隔离式开关电源等场景。(也常被称为 half-bridge inverter / half-bridge topology,具体取决于应用。)

发音 Pronunciation (IPA)

/hf brd knvtr/

例句 Examples

A half-bridge converter is common in switching power supplies.
半桥变换器在开关电源中很常见。

By using PWM control and a gate driver, the half-bridge converter can efficiently regulate the output voltage while reducing switching losses.
通过使用 PWM 控制和栅极驱动器,半桥变换器可以高效调节输出电压,同时降低开关损耗。

词源 Etymology

“Half-bridge”直译为“半桥”:在电路拓扑里,“bridge(桥)”常指由开关器件组成的桥式结构;“half(半)”表示它只使用全桥(full bridge)的一半开关数量(典型为两只开关,而非四只),形成上下臂的中点输出。“Converter(变换器)”来自拉丁语词根 convertere(转变、转换),在电力电子中专指能量形式或电压/电流等级的转换电路。

相关词 Relted Words

文学与著作 Literary Works

  • Power Electronics: Converters, Applications, and Design(Mohan, Undeland, Robbins)中常用半桥/全桥作为基础拓扑讲解与对比。
  • Fundamentals of Power Electronics(Erickson & Maksimovi)在开关变换器分析中涉及半桥相关结构与波形。
  • Power Electronics: Circuits, Devices, and Applications(Muhammad H. Rashid)中以半桥作为逆变与变换实例之一。
  • Switching Power Supply Design(Abraham I. Pressman 等)讨论半桥在开关电源中的典型实现与设计要点。
  • Power Electronics(Daniel W. Hart)介绍桥式拓扑(含半桥)及其控制方法与应用场景。
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