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一种用于交直流微电网能量管理的桥式故障限流器

A Bridge-Type Fault Current Limiter for Energy Management of AC/DC Microgrids

语言:

中文摘要

本文提出了一种新型故障限流器(FCL)结构,不仅能有效抑制故障电流,还能在电网正常及故障状态下实现能量管理。该结构具备连接交直流系统的能力,通过控制直流电抗器电流实现故障电流幅值限制及功率流的灵活调度。

English Abstract

This paper proposes a novel structure for fault current limiter (FCL), which not only controls the magnitude of fault current, but also is enable to power management in normal and fault condition of utility. The main capabilities of the proposed structure, which is able to connect both ac and dc systems, are controlling the dc reactor current for fault current magnitude control, and management and...
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SunView 深度解读

该技术对阳光电源的微电网解决方案及PowerTitan/PowerStack储能系统具有重要参考价值。在交直流混合微电网场景下,该桥式限流器可提升系统在故障期间的鲁棒性,并优化PCS的功率调度策略。建议研发团队关注其在构网型(GFM)储能变流器中的集成潜力,通过引入此类限流拓扑,可有效降低系统在弱电网或故障工况下的硬件应力,提升iSolarCloud平台在复杂微电网环境下的故障穿越与能量管理水平。