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A review on z-source solid state circuit breakers for DC distribution networks

Ugalde Loo, Carlos ORCID:, Wang, Yufeng ORCID:, Wang, Sheng ORCID:, Ming, Wenlong ORCID:, Liang, Jun ORCID: and Weilin, Li 2023. A review on z-source solid state circuit breakers for DC distribution networks. CSEE Journal of Power and Energy Systems 9 (1) 10.17775/CSEEJPES.2022.04320

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DC technologies will be essential building blocks for future dc distribution networks. As in any dc system, these networks will face crucial threats imposed by short-circuit dc faults. Protection is thus of great interest, and it will likely rely on dc circuit breakers (DCCBs). Among the available configurations, Z-source solid-state circuit breakers (Z-SSCBs) are promising candidates for protecting low and medium-voltage distribution networks as well as dc equipment due to their structural and control simplicity and low cost. In this paper, the start-of-the-art of Z-SSCBs topologies is reviewed. To set the context, the use of dc technologies for the grid integration of renewables, dc power transmission, and the main types of DCCBs to protect dc transmission and distribution corridors are discussed. The Z-SSCB topologies are then classified into unidirectional and bidirectional. The advantages and disadvantages of the different configurations are compared and analyzed based on existing research. Finally, a perspective on the future development of Z-SSCBs is discussed and potential challenges are elucidated.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: IEEE
ISSN: 2096-0042
Funders: WEFO
Date of First Compliant Deposit: 30 November 2022
Date of Acceptance: 11 November 2022
Last Modified: 03 May 2023 18:46

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