微电网混合储能系统SOC平衡方法

2019 IEEE 3rd International Conference on Green Energy and Applications (ICGEA) Pub Date : 2019-03-01 DOI:10.1109/ICGEA.2019.8880766

Hui Wang, Zhenxi Wu, Guangze Shi, Zhangjie Liu

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引用次数: 9

摘要

SOC平衡问题是储能系统中的一个重要问题。目前，混合能源系统的SOC平衡控制尚未见文献报道。研究复杂混合型储能系统的荷电平衡问题。本文提出了一种利用串级储能系统局部单元集中控制和改进下垂控制共同调节串级储能系统性能的SOC平衡控制方法。在该方案中，无论充电模式还是放电模式，所提出的控制都能很好地工作，保证了SOC的平衡。最后，理论分析和仿真结果验证了所提控制下全系统各存储单元SOC收敛的正确性和有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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SOC Balancing Method for Hybrid Energy Storage System in Microgrid

The SOC balancing problem is an important question in energy storage system. Up to now, the SOC balancing control for hybrid-type energy system has not been documented. To deal with the SOC balancing problem for the complex hybrid-type energy storage system. This paper proposes a SOC balance control which uses centralized control for local units in cascaded-type energy storage system and modified droop control to adjust the performance of cascaded-type energy storage system together. In this scheme, regardless of charging mode or discharging mode, the proposed control can work well and the SOC balancing is guaranteed. Finally, the theory analysis and simulation results can prove the correctness and effectiveness of SOC convergence among all storage units in entire system under proposed control.

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来源期刊

2019 IEEE 3rd International Conference on Green Energy and Applications (ICGEA)

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