电器与能效管理技术 ›› 2026, Vol. 0 ›› Issue (4): 41-48.doi: 10.16628/j.cnki.2095-8188.2026.04.005

• 研究与分析 • 上一篇    下一篇

基于耦合电感的自触发混合式直流断路器研究

任昌宾1, 卢权胜2, 黄靖靖3, 尹健宁3   

  1. 1 浙江天正智能电器有限公司, 浙江 嘉兴 314031
    2 浙江天正电气股份有限公司, 浙江 温州 325604
    3 西安理工大学 电气工程学院, 陕西 西安 710054
  • 收稿日期:2025-12-17 出版日期:2026-04-30 发布日期:2026-05-18
  • 作者简介:任昌宾(1985—),男,高级工程师,主要从事低压电器产品设计工作。|卢权胜(1983—),男,高级工程师,主要从事低压电器产品设计工作。|黄靖靖(2002—),女,硕士研究生,研究方向为直流断路器先进中断技术。
  • 基金资助:
    陕西省教育厅科研计划项目(24JP128)

Research on Self-Triggered Hybrid DC Circuit Breaker with Coupled Inductors

REN Changbin1, LU Quansheng2, HUANG Jingjing3, YIN Jianning3   

  1. 1 Zhejiang Tengen Smart Electric Co., Ltd., Jiaxing 314031, China
    2 Zhejiang Tengen Electric Co., Ltd., Wenzhou 325604, China
    3 School of Electrical Engineering, Xi’an University of Technology, Xi’an 710054, China
  • Received:2025-12-17 Online:2026-04-30 Published:2026-05-18

摘要: 为提升光伏系统中直流断路器的分断性能,提出了一种基于耦合电感的自触发混合式直流断路器(HDCCB),并采用小型断路器作为其机械开关。基于实验测得电弧伏安特性,建立了该自触发HDCCB的分断模型。通过耦合电感降低故障电流的上升率,进而限制其峰值。同时,提前绝缘栅双极型晶体管(IGBT)的导通时刻,缩短了断路器的整体分断时间。在高电压等级下,电感的分压和限流能力有助于实现大容量分断。结果表明,所提出的断路器在1 500 V电压等级下,实现了对15 kA电流的分断,分断时间为4.45 ms。

关键词: 混合式直流断路器, 自触发, 耦合电感, 分断时间

Abstract:

To improve the interruption performance of DC circuit breakers in photovoltaic systems, a self-triggered hybrid DC circuit breaker(HDCCB) based on coupled inductors is proposed, which uses a miniature circuit breaker as the mechanical switch. Based on the experimentally measured arc volt-ampere characteristics, an interruption model of the proposed HDCCB is established. The coupled inductors reduce the rise rate of the fault current, thereby limiting its peak value. In addition, advancing the turn-on instant of the IGBTs shortens the overall interruption time of the circuit breaker. At high voltage levels, the voltage division and current limiting capabilities of the inductors contribute to high-capacity interruption. The results show that the proposed breaker interrupts a 15 kA current in 4.45 ms at a 1 500 V voltage level.

Key words: hybrid DC circuit breaker, self-triggered, coupled inductor, interruption time

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