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一种基于李雅普诺夫的直流堆叠模块化电池系统局部功率控制方案

A Lyapunov-Based Control Scheme for DC-Stacked Modular Battery System With Local Power Control

语言:

中文摘要

传统锂电池储能系统受限于电芯间容量和SOC不一致性,导致簇间环流及容量加速衰减。为提升大规模储能应用的效率、模块化程度及安全性,本文提出一种具备局部功率控制的直流堆叠模块化架构,旨在解决上述挑战并优化系统运行性能。

English Abstract

Traditional lithium-ion battery energy storage systems are challenged by intercluster currents and accelerated capacity degradation, which stem from inherent cell-to-cell inconsistencies in capacity and state-of-charge (SOC). To ensure operational efficiency, modularity, safety, and flexibility in large-scale applications, a dc-stacked modular architecture with local power control has emerged as a...
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SunView 深度解读

该技术直接契合阳光电源PowerTitan和PowerStack系列储能系统的核心痛点。直流堆叠架构与局部功率控制技术能够有效解决大容量储能系统中电池簇间的不一致性问题,减少环流损耗,延长电池寿命。对于阳光电源而言,该方案可优化BMS与PCS的协同控制策略,提升系统在电网侧及工商业场景下的运行效率与安全性。建议研发团队关注该控制算法在模块化PCS拓扑中的落地,以进一步增强公司在大型储能系统中的差异化竞争优势。