直流微电网短路故障电流保护装置研究

doi:10.16628/j.cnki.2095-8188.2022.11.007

摘要/Abstract

摘要：

直流微电网因其高效、更容易将分布式能源集成到公共总线等优点,正受到越来越多的关注;同时,直流系统因其自身特点,发生短路故障电流时,故障更难排除。首先分析了直流微电网短路故障电流的特点,并根据短路故障电流的特点,围绕目前直流微电网的4种主要保护装置:熔断器、机械式直流断路器、固态断路器以及混合式直流断路器的最新研究进展进行了归纳。重点分析了各种保护装置的特点、存在的问题,以及专家学者为了应对这些问题所提出的解决方案。

关键词: 直流微电网, 短路故障电流, 熔断器, 机械式直流断路器, 固态断路器, 混合式直流断路器

Abstract:

DC microgrid is attracting more attention due to its high efficiency and integrating the distributed energy into public bus more easily.At the same time,the fault is more difficult to be eliminated when the short-circuit fault current occurs due to its own characteristics of DC system.Firstly,the characteristics of short-circuit fault current of DC microgrid are analyzed.According to the characteristics of short-circuit fault current,the latest research progress of four main protection devices of DC microgrid:fuse,mechanical DC circuit breaker,solid-state circuit breaker and hybrid DC circuit breaker is summarized.The characteristics of various protective devices,the existing problems and the solutions proposed by experts and scholars to deal with these problems are emphatically analyzed.

Key words: DC microgrid, short-circuit fault current, fuse, mechanical DC circuit breaker, solid-state circuit breaker, hybrid DC circuit breaker

中图分类号:

TM561:TM562

臧卫, 令狐绍江, 葛世伟. 直流微电网短路故障电流保护装置研究[J]. 电器与能效管理技术, 2022, 0(11): 39-45.

ZANG Wei, LINGHU Shaojiang, GE Shiwei. Research on Protection Devices for Short-Circuit Fault Current of DC Microgrid[J]. LOW VOLTAGE APPARATUS, 2022, 0(11): 39-45.

图/表 6

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