Overview of topology research on hybrid direct current circuit breakers

IF 1.3 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Can Ding, Kaiming Li, Zhao Yuan, Guang Pu
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Abstract

Continuous expansion in the scale of high-voltage flexible direct current (DC) transmission systems has resulted in higher requirements for clearing fault currents. The hybrid DC circuit breaker, as the most promising DC circuit breaker, can effectively isolate and remove the faults that occur in DC power grids. At present, hybrid DC circuit breakers can be divided into two types: two port and multiport. Two-port DC circuit breakers are used in a single line and have the advantages of simple and flexible control. Multiport DC circuit breakers are used at the DC bus and control the fault isolation operation of multiple lines connected to the bus. When compared to two-port DC circuit breakers, multiport DC circuit breakers significantly reduce the number of configurations, reduce costs, and occupy less space. First, this article classifies hybrid DC circuit breakers into two-port and multiport categories, and refines and organizes the two major categories. Then, it analyzes the functionality, reliability, control complexity, and economy of each scheme based on the topology structures proposed in the current literature. Finally, prospects for future research on hybrid DC circuit breakers are presented.

Abstract Image

混合直流断路器拓扑研究概述
高压柔性直流(DC)输电系统规模的不断扩大,对清除故障电流提出了更高的要求。混合式直流断路器作为最具发展前景的直流断路器,能够有效隔离和切除直流电网中出现的故障。目前,混合式直流断路器可分为双端口和多端口两种类型。双端口直流断路器用于单条线路,具有控制简单、灵活的优点。多端口直流断路器用于直流母线,可控制与母线相连的多条线路的故障隔离操作。与双端口直流断路器相比,多端口直流断路器大大减少了配置数量,降低了成本,占用空间也更小。首先,本文将混合式直流断路器分为双端口和多端口两类,并对这两大类进行了细化和整理。然后,根据目前文献中提出的拓扑结构,分析了每种方案的功能性、可靠性、控制复杂性和经济性。最后,对混合直流断路器的未来研究进行了展望。
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来源期刊
Journal of Power Electronics
Journal of Power Electronics 工程技术-工程:电子与电气
CiteScore
2.30
自引率
21.40%
发文量
195
审稿时长
3.6 months
期刊介绍: The scope of Journal of Power Electronics includes all issues in the field of Power Electronics. Included are techniques for power converters, adjustable speed drives, renewable energy, power quality and utility applications, analysis, modeling and control, power devices and components, power electronics education, and other application.
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