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中高压直流断路器拓扑综述
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哈尔滨工业大学(深圳)机电工程与自动化学院,广东省深圳市 518055

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Review of Topologies for Medium-Voltage and High-Voltage DC Circuit Breaker
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School of Mechanical Engineering and Automation, Harbin Institute of Technology (Shenzhen), Shenzhen 518000, China

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    摘要:

    随着直流输配电系统的发展,直流系统对故障电流抑制和清除的要求增加,采用直流断路器能够很好地解决清除直流故障时快速性、稳定性和经济性的问题。文中论述了直流断路器的发展现状,对近年来国内外提出的直流断路器拓扑进行归纳总结。在此基础上,就机械式、Z源结构、组合式、级联模块、器件组合型直流断路器拓扑以及直流断路器测试电路进行了详细讨论。论述了各个方面的拓扑原理、使用优点以及面临的主要问题,对同一方面所涉及的文献进行了归纳对比。最后,提出了直流断路器未来可能的发展方向及相关问题。

    Abstract:

    With the development of DC power transmission and distribution system, the requirements of DC system on fault current suppression and clearing are increased, DC circuit breaker can solve the speed, stability and economy problems when clearing DC faults. This paper discusses the development status of DC circuit breaker, and summarizes topologies of DC circuit breaker proposed at home and abroad in recent years. On this basis, the mechanical, Z-source structure, combined, cascade-module, device-combination-type DC circuit breaker topology and DC circuit breaker test circuit are discussed in detail. The topology principle, advantages and main problems of each aspect are discussed, the literature in the same field is compared. Finally, the possible future development direction and related problems of DC circuit breaker are put forward.

    表 5 中高压直流断路器拓扑比较Table 5 Topological comparison of medium-voltage and high-voltage DC circuit breakers
    表 1 机械式直流断路器辅助电路比较Table 1 Comparison of auxiliary circuits for mechanical DC circuit breakers
    表 2 Z源断路器比较Table 2 Comparison of Z-source circuit breakers
    图1 电容自充电电路Fig.1 Self-charging circuit of the capacitor
    图2 磁感应电流换向驱动电路Fig.2 Driving circuit of magnetic induction current commutation
    图3 单向Z源断路器Fig.3 Unidirectional Z-source breaker
    图4 T型双向Z源断路器Fig.4 Bidirectional T-type Z-source breaker
    图5 主支路使用级联模块拓扑Fig.5 Topology of cascade module used in the main branch
    图6 换流支路使用级联模块拓扑Fig.6 Topology of cascading module used in the converter branch
    图7 简化SM结构Fig.7 Simplified SM structure
    图8 组合式高压直流断路器Fig.8 Integrated HVDC circuit breaker
    图9 多端口混合断路器Fig.9 Multi-port hybrid circuit breaker
    图10 改进后的SM拓扑Fig.10 Improved topology of SM
    图11 改进桥臂拓扑Fig.11 Improved bridge arm topology
    图12 采用预充电电容的测试电路Fig.12 Test circuit of using pre-charging capacitor
    图13 采用交流电源的测试电路Fig.13 Test circuit of using AC power supply
    表 3 组合式直流断路器比较Table 3 Comparison of integrated DC circuit breakers
    表 4 直流断路器测试电路比较Table 4 Test circuit comparison of DC circuit breaker
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引用本文

王灿,杜船,徐杰雄.中高压直流断路器拓扑综述[J/OL].电力系统自动化,http://doi.org/10.7500/AEPS20191021006.
WANG Can,DU Chuan,XU Jiexiong.Review of Topologies for Medium-Voltage and High-Voltage DC Circuit Breaker[J/OL].Automation of Electric Power Systems,http://doi.org/10.7500/AEPS20191021006.

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  • 收稿日期:2019-10-21
  • 最后修改日期:2020-02-15
  • 录用日期:2019-11-13
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