V2EX soft-start

Soft-start

释义 Definition

(常见于电子、电源与电机控制)软启动:让设备在开机或启动时逐步增加电压/电流/功率或转速,以减少浪涌电流、机械冲击与电磁干扰(EMI),并保护元件与负载。也可泛指“温和地开始(某项过程)”。

发音 Pronunciation

/sft strt/

例句 Examples

The power supply has a soft-start to prevent inrush current.
这个电源带有软启动,用来防止浪涌电流。

By adding a resistor-capacitor network, the designer implemented a soft-start that reduced stress on the MOSFETs and improved reliability.
通过加入电阻-电容网络,设计者实现了软启动,降低了MOSFET的应力并提高了可靠性。

词源 Etymology

soft(柔和的、缓慢的)+ start(启动) 组合而成。该术语在工程语境中强调“启动过程不突兀”,尤其用于描述电源、电机或控制系统在启动阶段的“渐进式上升”(ramp-up)。

相关词 Related Words

文学与著作 Literary Works

  • The Art of Electronics(Horowitz & Hill):在电源与控制电路的讨论中涉及软启动/受控上电思路与相关实现。
  • Power Electronics: Converters, Applications, and Design(Ned Mohan 等):在开关电源与功率变换器章节中常见软启动(soft-start)与限流相关内容。
  • Switching Power Supply Design(Abraham I. Pressman):讨论开关电源启动特性、浪涌电流控制与软启动方案。
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