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基于熔断器的直流微电网变流器短路保护

Fuse-Based Short-Circuit Protection of Converter Controlled Low-Voltage DC Grids

语言:

中文摘要

低压直流(LVdc)微电网作为交流微电网的有效替代方案备受关注。本文评估了熔断器在低压直流微电网短路保护中的应用。熔断器具有结构简单、成本低廉、标准化程度高等优势,是实现直流电网快速、选择性保护的一种经济可行方案。

English Abstract

Low-voltage dc (LVdc) microgrids emerge as a viable alternative to ac microgrids. A large research interest is noted toward fast and selective protection of dc grids, typically focusing on hybrid or full solid-state solutions. In this article, the use of fuses as short-circuit protection in low-voltage dc microgrids is evaluated. The main advantage of fuses is that they are simple, cheap, standard...
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SunView 深度解读

该研究探讨了直流微电网中低成本、高可靠性的短路保护方案,对阳光电源的工商业及户用储能系统(如PowerStack、PowerTitan系列)具有重要参考价值。在直流侧故障保护设计中,熔断器作为一种成熟的被动保护手段,可与变流器的主动控制策略形成互补,提升系统在极端工况下的安全性。建议研发团队在储能变流器(PCS)的直流侧保护设计中,结合该文的评估方法,优化熔断器选型与控制算法的配合,以降低系统成本并提高在微电网应用场景下的故障隔离效率。